Linsidomine is a nitric oxide (NO) donor that has been investigated for its potential therapeutic effects in various conditions. Its synthesis involves the reaction of a nitro compound with a suitable reducing agent. Linsidomine releases NO, a signaling molecule involved in vasodilation, neurotransmission, and other physiological processes. The release of NO contributes to the vasodilatory effects of linsidomine, potentially improving blood flow and reducing blood pressure. It has been studied for its potential benefits in conditions such as erectile dysfunction, peripheral artery disease, and Raynaud's phenomenon. Linsidomine is also being investigated for its neuroprotective and anti-inflammatory properties. Research on linsidomine continues to explore its potential as a therapeutic agent in various medical conditions.'
linsidomine: RN given refers to parent cpd; structure
ID Source | ID |
---|---|
PubMed CID | 5219 |
CHEMBL ID | 1189150 |
CHEBI ID | 136004 |
SCHEMBL ID | 160502 |
MeSH ID | M0042933 |
Synonym |
---|
linsidomine |
cv 664 |
linsidomina [spanish] |
3-morpholinosydnone imine |
3-morpholinosydnonimine-1 |
linsidominum [latin] |
3-morpholinosydnoneimine |
linsidomine [inn] |
lopac-m-184 |
NCGC00015636-01 |
33876-97-0 |
linsidomine (inn) |
D07161 |
3-morpholinosydnonimine |
NCGC00018289-01 |
NCGC00162279-01 |
CHEBI:136004 |
NCGC00015636-03 |
3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine |
NCGC00018289-02 |
NCGC00018289-03 |
AKOS006280506 |
AKOS005252588 |
CCG-204937 |
NCGC00015636-02 |
5o5u71p6vq , |
linsidomina |
unii-5o5u71p6vq |
FT-0630574 |
CHEMBL1189150 |
linsidomine [who-dd] |
SCHEMBL160502 |
bdbm83470 |
cid_9859122 |
(3-morpholino-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-ylidene)amine;hydrochloride |
3-(4-morpholinyl)-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride |
FKDHHVKWGRFRTG-UHFFFAOYSA-N |
MLS-0003225 |
5-azanidyl-3-(morpholin-4-yl)-1,2,3|e?-oxadiazol-3-ylium |
5-imino-3-morpholino-5h-1,2,3-oxadiazol-3-ium-2-ide |
cv 664;3-morpholinosydnonmine |
BCP26037 |
3-morpholin-4-yl-1,2,3-oxadiazol-3-ium-5-amine chloride |
DB13400 |
Q1130256 |
NCGC00015636-05 |
NCGC00015636-06 |
(3-morpholino-1,2,3-oxadiazol-3-ium-5-yl)amide |
HY-126849 |
CS-0107790 |
DTXSID501026026 |
Linsidomine is a direct donor of EDRF/NO which has an action on blood vessels. It reduces preload and dilatation of the large epicardial coronary vessels.
Excerpt | Reference | Relevance |
---|---|---|
"Linsidomine is a direct donor of EDRF/NO which has an action on blood vessels (reduction of preload and dilatation of the large epicardial coronary vessels) and on platelets (inhibition of aggregation) without risk of tolerance." | ( [Linsidomine, direct donor of EDRF/NO: a new treatment for unstable angina]. Charansonney, O; Delonca, J; Giraud, T; Lennuyeux, E, 1996) | 1.93 |
Excerpt | Reference | Relevance |
---|---|---|
"Treatment with linsidomine and molsidomine was associated with a modest improvement in the long-term angiographic result after angioplasty but had no effect on clinical outcome. " | ( Effect of the direct nitric oxide donors linsidomine and molsidomine on angiographic restenosis after coronary balloon angioplasty. The ACCORD Study. Angioplastic Coronaire Corvasal Diltiazem. Bassand, JP; Battaglia, S; Béard, T; Bertrand, B; Bertrand, ME; Boschat, J; Coste, P; Crochet, PD; Desveaux, B; Drobinski, G; Dubois-Randé, JL; Finet, G; Giraud, T; Grollier, G; Juillière, Y; Juliard, JM; Lablanche, JM; Le Breton, H; Leclercq, F; Letac, B; Livarek, B; Lusson, JR; Metzger, JP; Quiret, JC; Virot, P, 1997) | 0.92 |
Excerpt | Reference | Relevance |
---|---|---|
"Molsidomine and its vasoactive metabolite SIN-1 elicit anti-ischemic properties by a therapeutically useful pattern of different vasoactive actions combined with a cyclic GMP-mediated inhibition of platelet adhesion and aggregation." | ( Anti-ischemic actions of molsidomine by venous and large coronary dilatation in combination with antiplatelet effects. Bassenge, E; Mülsch, A, 1989) | 0.28 |
" Moreover, CSM dramatically enhances the production of IL-8 in combination with TNF-alpha." | ( IL-8 production by macrophages is synergistically enhanced when cigarette smoke is combined with TNF-alpha. Folkerts, G; Givi, ME; Janse, WT; Mortaz, E; Nijkamp, FP; Sarir, H, 2010) | 0.36 |
Excerpt | Relevance | Reference |
---|---|---|
" Preincubation of contracted artery rings with GTP (100 microM) or guanosine (100 microM) before eliciting relaxations with nitrovasodilators significantly shifted the dose-response curves of nitrocompounds to the left and augmented the increases in cyclic GMP." | ( Modification of nitrovasodilator effects on vascular smooth muscle by exogenous GTP and guanosine. Laustiola, KE; Manninen, V; Metsä-Ketelä, T; Pörsti, I; Vapaatalo, H; Vuorinen, P, 1991) | 0.28 |
" This is a short-term action and the dosage is limited by systemic hypotension." | ( [Endothelial factors and thrombocyte function]. Schrör, K, 1991) | 0.28 |
" Major (coronary substrate, study design) and minor (measuring devices, methods of evaluation) methodological problems make it difficult to precisely evaluate pharmacological effects such as dose-response relationship, duration of action, and selective responses, and to compare the effects of different drugs." | ( Response of coronary arteries to nitrates, the EDRF-donor SIN-1, and calcium antagonists. Kober, G; Schulz, W, 1991) | 0.28 |
" After elevation of tone with KCl (15 mM), dose-response curves were constructed for nitroglycerin or SIN1 (3-morpholino-syndnonimin) on control and tolerant rings." | ( Persistence of the response to SIN1 on isolated coronary arteries rendered tolerant to nitroglycerin in vitro or in vivo. Berkenboom, G; Degre, S; Fontaine, J, 1988) | 0.27 |
" Furthermore, the inhibition of 45Ca2+ uptake and of fluorescence increase observed in the presence of extracellular Ca2+ displayed remarkably parallel dose-response curves, suggesting that elevation of cyclic GMP brought about by SIN-1 inhibits the opening of "receptor-operated channels" whose precise nature remains to be determined." | ( Inhibition of calcium influx in thrombin-stimulated platelets by SIN-1, an activator of soluble guanylate cyclase. Chap, H; Simon, MF, 1989) | 0.28 |
" As a result, the dose-response curve of SIN-1 was shifted to the left." | ( Interaction between SIN-1 and prostacyclin in inhibiting platelet aggregation. Bult, H; Fret, HR; Herman, AG, 1989) | 0.28 |
" When the strips were treated with submaximal effective concentrations of NO, some tolerance was observed, as shown by moderate attenuation of the rises in cyclic GMP, and a rightward shift of the dose-response curve of the relaxing effects by a dose factor of 10 (DF = 10)." | ( Tolerance and cross-tolerance between SIN-1 and nitric oxide in bovine coronary arteries. Holzmann, S; Kukovetz, WR, 1989) | 0.28 |
"Plasma levels of N-carboxy-3-morpholinosydnonimine ethyl ester (molsidomine, Corvaton) and its pharmacologically active metabolite 3-morpholinosydnonimine (SIN-1) were measured in six healthy male and female volunteers after single intravenous and oral dosing of 4 mg molsidomine." | ( Liver function and pharmacokinetics of molsidomine and its metabolite 3-morpholinosydnonimine in healthy volunteers. Chamberlain, J; Gärtner, W; Ostrowski, J; Stockhausen, H; Wildgrube, HJ, 1986) | 0.27 |
"The pharmacokinetics of molsidomine were investigated in the plasma and urine of healthy male volunteers and patients with coronary heart disease after intravenous and/or oral administration of different galenic dosage forms of molsidomine." | ( Pharmacokinetics of molsidomine in humans. Ostrowski, J; Resag, K, 1985) | 0.27 |
" Moreover, oxyhemoglobin, a scavenger of free NO, suppressed the chemotactic effect of SNAP, whereas LY-83583, a soluble guanylate cyclase inhibitor, inhibited the SNAP-mediated chemotaxis in a dose-response manner." | ( Exogenous nitric oxide elicits chemotaxis of neutrophils in vitro. Beauvais, F; Dubertret, L; Michel, L, 1995) | 0.29 |
"The combination of hydralazine and nitrates has been shown to provide long-term benefit in congestive heart failure, despite a nitrate dosage that should induce tolerance." | ( Interaction between hydralazine and nitrovasodilators in vascular smooth muscle. Berkenboom, G; Fontaine, J; Unger, P, 1993) | 0.29 |
" PGE1 always achieved the best response, SIN-1 performed statistically significantly poorer irrespective of the dosage used." | ( Prostaglandin E1 versus linsidomine chlorhydrate in erectile dysfunction. Klän, R; Knispel, HH; Meier, T; Miller, K; Wegner, HE, 1994) | 0.6 |
" Nitroglycerin pre-exposure (10 microM for 30 min) provoked a significant shift to the right of the dose-response curve to nitroglycerin in aortae isolated from rats of 8 weeks, 12 and 18 months." | ( Nitrate tolerance and aging in isolated rat aorta. Berkenboom, G; Brékine, D; Fontaine, J; Unger, P, 1993) | 0.29 |
" The differences between aorto-caval fistula rats and sham operated rats were probably the result of increased basal EDRF-NO release in the former, since NO synthase blockade abolished the differences in both aortic cGMP and the dose-response curve to Sin-1." | ( Vascular relaxation and cyclic guanosine monophosphate in a rat model of high output heart failure. Arnal, JF; Michel, JB; Schott, C; Stoclet, JC, 1993) | 0.29 |
"Pharmacokinetic measurements were performed in two groups of patients with coronary heart disease (CHD) after single and multiple dosing of 2 mg linsidomine (SIN 1)." | ( Pharmacokinetics of linsidomine (SIN 1) after single and multiple intravenous short infusions in patients with renal insufficiency. Degré, S; Gaertner, W; Ostrowski, J; Sennesael, J; Stolear, JC; Unger, P; Verbeelen, D; von Hattingberg, HM, 1993) | 0.81 |
" However, the inhibition of the combined CPA and CCh response was reduced and the dose-response curve of SIN-1 shifted to the right." | ( Involvement of intracellular Ca2+ stores in inhibitory effects of NO donor SIN-1 and cGMP. Allescher, HD; Franck, H; Puschmann, A; Schusdziarra, V; Storr, M, 1998) | 0.3 |
" Acetaminophen is a phenolic compound which produces a clear inhibitory dose-response curve with peroxynitrite in its range of clinical effectiveness." | ( A new screening method to detect water-soluble antioxidants: acetaminophen (Tylenol) and other phenols react as antioxidants and destroy peroxynitrite-based luminol-dependent chemiluminescence. Qazi, N; Sacks, M; Van Dyke, K, ) | 0.13 |
"05) in all prostanoids evaluated in a dose-response fashion." | ( Nitric oxide inhibits prostanoid synthesis in the rat oviduct. Farina, M; Franchi, AM; Gimeno, M; Ogando, D; Perez Martinez, S; Ribeiro, ML, 2000) | 0.31 |
"01); (3) in the presence of L-arginine (a substrate of NO synthase), a left shift of the ACh dose-response curves was found in control subjects, but not in ADPKD patients; (4) in the presence of the N(G)-nitro-L-arginine methyl ester (an inhibitor of NO synthase), a right shift of the ACh dose-response curve was found in control subjects, but not in ADPKD patients; and (5) endothelium-independent relaxation rate induced with SIN-1 was similar in patients and control subjects." | ( Endothelium-dependent relaxation of small resistance vessels is impaired in patients with autosomal dominant polycystic kidney disease. Iversen, J; Strandgaard, S; Wang, D, 2000) | 0.31 |
" ODQ (1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one), a potent and selective inhibitor of soluble guanylyl cyclase (sGC), did not significantly affect relaxant actions of ONOO-, but ODQ markedly attenuated SIN-1-elicited relaxation with a rightward shift in the dose-response curve and an unaltered maximal response." | ( Comparative vasodilation of peroxynitrite and 3-morpholinosydnonimine. Trakranrungsie, N; Will, JA, 2001) | 0.31 |
" unstimulated conditions), the nitric oxide synthase (NOS) inhibitor L-NIO (L-N(5)-(1-iminoethyl) ornithine, 10(-5) and 10(-4) M), caused a marked vasoconstriction (20%), indicating a basal nitrergic vasodilator tone, while the dose-response curve of the NO donor SIN-1 (3-morpholinosydnonimine) showed a dose-dependent vasodilator effect." | ( Control of cardiovascular function in the icefish Chionodraco hamatus: involvement of serotonin and nitric oxide. Acierno, R; Pellegrino, D; Tota, B, 2003) | 0.32 |
" In both dogfish and eel, AD dose-response curves showed a biphasic effect: vasoconstriction (pico to nanomolar range) and vasodilation (micromolar range)." | ( Adenosine/nitric oxide crosstalk in the branchial circulation of Squalus acanthias and Anguilla anguilla. Pellegrino, D; Randall, DJ; Tota, B, 2005) | 0.33 |
"Each of the single topical drugs produced significant dose-dependent antiallodynic effects compared with vehicle in CPIP rats (N = 30), and the antiallodynic dose-response curves of either PA or PDE inhibitors were shifted 5- to 10-fold to the left when combined with nonanalgesic doses of α2A receptor agonists or NO donors (N = 28)." | ( Topical combinations to treat microvascular dysfunction of chronic postischemia pain. Abaji, R; Coderre, TJ; Laferrière, A; Ragavendran, JV; Tsai, CY, 2014) | 0.4 |
" Myocytes superfused with 3-morpholinosydnonimine N-ethylcarbamide (SIN-1), an ONOO- donor, decreased the amplitude of Ca2+ transients and contraction in a dose-response (1-200 μM) manner." | ( Peroxynitrite-Induced Intracellular Ca2+ Depression in Cardiac Myocytes: Role of Sarco/Endoplasmic Reticulum Ca2+ Pump. Escalante, B; Flores-Tamez, V; Rios, A, 2019) | 0.51 |
Class | Description |
---|---|
morpholines | Any compound containing morpholine as part of its structure. |
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] |
Protein | Taxonomy | Measurement | Average (µ) | Min (ref.) | Avg (ref.) | Max (ref.) | Bioassay(s) |
---|---|---|---|---|---|---|---|
Chain A, HADH2 protein | Homo sapiens (human) | Potency | 7.8758 | 0.0251 | 20.2376 | 39.8107 | AID886; AID893 |
Chain B, HADH2 protein | Homo sapiens (human) | Potency | 7.8758 | 0.0251 | 20.2376 | 39.8107 | AID886; AID893 |
thioredoxin reductase | Rattus norvegicus (Norway rat) | Potency | 42.2841 | 0.1000 | 20.8793 | 79.4328 | AID488773; AID588453 |
ATAD5 protein, partial | Homo sapiens (human) | Potency | 29.0810 | 0.0041 | 10.8903 | 31.5287 | AID493107 |
GLS protein | Homo sapiens (human) | Potency | 35.4813 | 0.3548 | 7.9355 | 39.8107 | AID624146 |
regulator of G-protein signaling 4 | Homo sapiens (human) | Potency | 18.8876 | 0.5318 | 15.4358 | 37.6858 | AID504845 |
euchromatic histone-lysine N-methyltransferase 2 | Homo sapiens (human) | Potency | 8.9125 | 0.0355 | 20.9770 | 89.1251 | AID504332 |
muscarinic acetylcholine receptor M1 | Rattus norvegicus (Norway rat) | Potency | 0.0794 | 0.0010 | 6.0009 | 35.4813 | AID943 |
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023] |
Assay ID | Title | Year | Journal | Article |
---|---|---|---|---|
AID1278458 | Upregulation of SOD in H2O2-induced mouse 661W cells at 50 to 100 uM by Cayman's superoxide dismutase assay | 2016 | Bioorganic & medicinal chemistry letters, Mar-01, Volume: 26, Issue:5 | Design and synthesis of novel hybrid sydnonimine and prodrug useful for glaucomatous optic neuropathy. |
AID1278454 | Half life of compound in 0.5 M phosphate buffer at pH 6.5 at 25 degC by LC/MS analysis | 2016 | Bioorganic & medicinal chemistry letters, Mar-01, Volume: 26, Issue:5 | Design and synthesis of novel hybrid sydnonimine and prodrug useful for glaucomatous optic neuropathy. |
AID1278459 | Induction of nitric oxide release in 50 mM phosphate buffer at pH 7.4 after 10 mins by Greiss assay | 2016 | Bioorganic & medicinal chemistry letters, Mar-01, Volume: 26, Issue:5 | Design and synthesis of novel hybrid sydnonimine and prodrug useful for glaucomatous optic neuropathy. |
AID1278457 | Increase in number of mouse 661W cells at 10 to 50 uM after 24 hrs by MTT assay relative to vehicle control | 2016 | Bioorganic & medicinal chemistry letters, Mar-01, Volume: 26, Issue:5 | Design and synthesis of novel hybrid sydnonimine and prodrug useful for glaucomatous optic neuropathy. |
AID1278453 | Half life of compound in 0.5 M phosphate buffer at pH 7.4 at 25 degC by LC/MS analysis | 2016 | Bioorganic & medicinal chemistry letters, Mar-01, Volume: 26, Issue:5 | Design and synthesis of novel hybrid sydnonimine and prodrug useful for glaucomatous optic neuropathy. |
AID588349 | qHTS for Inhibitors of ATXN expression: Validation of Cytotoxic Assay | |||
AID1347058 | CD47-SIRPalpha protein protein interaction - HTRF assay qHTS validation | 2019 | PloS one, , Volume: 14, Issue:7 | Quantitative high-throughput screening assays for the discovery and development of SIRPα-CD47 interaction inhibitors. |
AID504812 | Inverse Agonists of the Thyroid Stimulating Hormone Receptor: HTS campaign | 2010 | Endocrinology, Jul, Volume: 151, Issue:7 | A small molecule inverse agonist for the human thyroid-stimulating hormone receptor. |
AID588378 | qHTS for Inhibitors of ATXN expression: Validation | |||
AID1347057 | CD47-SIRPalpha protein protein interaction - LANCE assay qHTS validation | 2019 | PloS one, , Volume: 14, Issue:7 | Quantitative high-throughput screening assays for the discovery and development of SIRPα-CD47 interaction inhibitors. |
AID1347083 | qHTS for Inhibitors of the Functional Ribonucleoprotein Complex (vRNP) of Lassa (LASV) Arenavirus: Viability assay - alamar blue signal for LASV Primary Screen | 2020 | Antiviral research, 01, Volume: 173 | A cell-based, infectious-free, platform to identify inhibitors of lassa virus ribonucleoprotein (vRNP) activity. |
AID1347086 | qHTS for Inhibitors of the Functional Ribonucleoprotein Complex (vRNP) of Lymphocytic Choriomeningitis Arenaviruses (LCMV): LCMV Primary Screen - GLuc reporter signal | 2020 | Antiviral research, 01, Volume: 173 | A cell-based, infectious-free, platform to identify inhibitors of lassa virus ribonucleoprotein (vRNP) activity. |
AID1347059 | CD47-SIRPalpha protein protein interaction - Alpha assay qHTS validation | 2019 | PloS one, , Volume: 14, Issue:7 | Quantitative high-throughput screening assays for the discovery and development of SIRPα-CD47 interaction inhibitors. |
AID1347410 | qHTS for inhibitors of adenylyl cyclases using a fission yeast platform: a pilot screen against the NCATS LOPAC library | 2019 | Cellular signalling, 08, Volume: 60 | A fission yeast platform for heterologous expression of mammalian adenylyl cyclases and high throughput screening. |
AID1347151 | Optimization of GU AMC qHTS for Zika virus inhibitors: Unlinked NS2B-NS3 protease assay | 2020 | Proceedings of the National Academy of Sciences of the United States of America, 12-08, Volume: 117, Issue:49 | Therapeutic candidates for the Zika virus identified by a high-throughput screen for Zika protease inhibitors. |
AID504810 | Antagonists of the Thyroid Stimulating Hormone Receptor: HTS campaign | 2010 | Endocrinology, Jul, Volume: 151, Issue:7 | A small molecule inverse agonist for the human thyroid-stimulating hormone receptor. |
AID1508630 | Primary qHTS for small molecule stabilizers of the endoplasmic reticulum resident proteome: Secreted ER Calcium Modulated Protein (SERCaMP) assay | 2021 | Cell reports, 04-27, Volume: 35, Issue:4 | A target-agnostic screen identifies approved drugs to stabilize the endoplasmic reticulum-resident proteome. |
AID1347045 | Natriuretic polypeptide receptor (hNpr1) antagonism - Pilot counterscreen GloSensor control cell line | 2019 | Science translational medicine, 07-10, Volume: 11, Issue:500 | Inhibition of natriuretic peptide receptor 1 reduces itch in mice. |
AID1347049 | Natriuretic polypeptide receptor (hNpr1) antagonism - Pilot screen | 2019 | Science translational medicine, 07-10, Volume: 11, Issue:500 | Inhibition of natriuretic peptide receptor 1 reduces itch in mice. |
AID1347405 | qHTS to identify inhibitors of the type 1 interferon - major histocompatibility complex class I in skeletal muscle: primary screen against the NCATS LOPAC collection | 2020 | ACS chemical biology, 07-17, Volume: 15, Issue:7 | High-Throughput Screening to Identify Inhibitors of the Type I Interferon-Major Histocompatibility Complex Class I Pathway in Skeletal Muscle. |
AID1347082 | qHTS for Inhibitors of the Functional Ribonucleoprotein Complex (vRNP) of Lassa (LASV) Arenavirus: LASV Primary Screen - GLuc reporter signal | 2020 | Antiviral research, 01, Volume: 173 | A cell-based, infectious-free, platform to identify inhibitors of lassa virus ribonucleoprotein (vRNP) activity. |
AID504836 | Inducers of the Endoplasmic Reticulum Stress Response (ERSR) in human glioma: Validation | 2002 | The Journal of biological chemistry, Apr-19, Volume: 277, Issue:16 | Sustained ER Ca2+ depletion suppresses protein synthesis and induces activation-enhanced cell death in mast cells. |
AID1347050 | Natriuretic polypeptide receptor (hNpr2) antagonism - Pilot subtype selectivity assay | 2019 | Science translational medicine, 07-10, Volume: 11, Issue:500 | Inhibition of natriuretic peptide receptor 1 reduces itch in mice. |
AID1159607 | Screen for inhibitors of RMI FANCM (MM2) intereaction | 2016 | Journal of biomolecular screening, Jul, Volume: 21, Issue:6 | A High-Throughput Screening Strategy to Identify Protein-Protein Interaction Inhibitors That Block the Fanconi Anemia DNA Repair Pathway. |
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023] |
Timeframe | Studies, This Drug (%) | All Drugs % |
---|---|---|
pre-1990 | 74 (5.29) | 18.7374 |
1990's | 651 (46.57) | 18.2507 |
2000's | 557 (39.84) | 29.6817 |
2010's | 107 (7.65) | 24.3611 |
2020's | 9 (0.64) | 2.80 |
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] |
According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.
| This Compound (21.36) All Compounds (24.57) |
Publication Type | This drug (%) | All Drugs (%) |
---|---|---|
Trials | 35 (2.43%) | 5.53% |
Reviews | 16 (1.11%) | 6.00% |
Case Studies | 3 (0.21%) | 4.05% |
Observational | 0 (0.00%) | 0.25% |
Other | 1,387 (96.25%) | 84.16% |
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] |
Substance | Relationship Strength | Studies | Trials | Classes | Roles |
---|---|---|---|---|---|
2-oxo-3-methylvalerate alpha-keto-beta-methylvaleric acid: RN given refers to parent cpd. 3-methyl-2-oxovaleric acid : A 2-oxo monocarboxylic acid that is valeric acid carrying oxo- and methyl substituents at C-2 and C-3, respectively. An alpha-keto acid analogue and metabolite of isoleucine in man, animals and bacteria. Used as a clinical marker for maple syrup urine disease (MSUD). | 2.02 | 1 | 0 | 2-oxo monocarboxylic acid; branched-chain keto acid | human metabolite |
phosphoserine Phosphoserine: The phosphoric acid ester of serine. | 1.98 | 1 | 0 | non-proteinogenic alpha-amino acid; O-phosphoamino acid; serine derivative | human metabolite |
gamma-aminobutyric acid gamma-Aminobutyric Acid: The most common inhibitory neurotransmitter in the central nervous system.. gamma-aminobutyric acid : A gamma-amino acid that is butanoic acid with the amino substituent located at C-4. | 2.93 | 4 | 0 | amino acid zwitterion; gamma-amino acid; monocarboxylic acid | human metabolite; neurotransmitter; Saccharomyces cerevisiae metabolite; signalling molecule |
4-hydroxyphenylacetic acid 4-hydroxyphenylacetic acid : A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 4-hydroxyphenyl group. | 2.01 | 1 | 0 | monocarboxylic acid; phenols | fungal metabolite; human metabolite; mouse metabolite; plant metabolite |
acetic acid Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons. | 1.98 | 1 | 0 | monocarboxylic acid | antimicrobial food preservative; Daphnia magna metabolite; food acidity regulator; protic solvent |
acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 1.98 | 1 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
adenine [no description available] | 2.7 | 3 | 0 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
benzoic acid Benzoic Acid: A fungistatic compound that is widely used as a food preservative. It is conjugated to GLYCINE in the liver and excreted as hippuric acid.. benzoic acid : A compound comprising a benzene ring core carrying a carboxylic acid substituent.. aromatic carboxylic acid : Any carboxylic acid in which the carboxy group is directly bonded to an aromatic ring. | 1.98 | 1 | 0 | benzoic acids | algal metabolite; antimicrobial food preservative; drug allergen; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; human xenobiotic metabolite; plant metabolite |
1-butanol 1-Butanol: A four carbon linear hydrocarbon that has a hydroxy group at position 1.. butan-1-ol : A primary alcohol that is butane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It it produced in small amounts in humans by the gut microbes. | 1.99 | 1 | 0 | alkyl alcohol; primary alcohol; short-chain primary fatty alcohol | human metabolite; mouse metabolite; protic solvent |
carbamates [no description available] | 2 | 1 | 0 | amino-acid anion | |
carbon monoxide Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas. | 3.11 | 5 | 0 | carbon oxide; gas molecular entity; one-carbon compound | biomarker; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; human metabolite; ligand; metabolite; mitochondrial respiratory-chain inhibitor; mouse metabolite; neurotoxin; neurotransmitter; P450 inhibitor; probe; signalling molecule; vasodilator agent |
catechol [no description available] | 1.99 | 1 | 0 | catechols | allelochemical; genotoxin; plant metabolite |
choline [no description available] | 2.73 | 3 | 0 | cholines | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; neurotransmitter; nutrient; plant metabolite; Saccharomyces cerevisiae metabolite |
chlorine chloride : A halide anion formed when chlorine picks up an electron to form an an anion. | 3.51 | 8 | 0 | halide anion; monoatomic chlorine | cofactor; Escherichia coli metabolite; human metabolite |
salicylic acid Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL). | 2.41 | 2 | 0 | monohydroxybenzoic acid | algal metabolite; antifungal agent; antiinfective agent; EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor; keratolytic drug; plant hormone; plant metabolite |
gallic acid gallate : A trihydroxybenzoate that is the conjugate base of gallic acid. | 2.01 | 1 | 0 | trihydroxybenzoic acid | antineoplastic agent; antioxidant; apoptosis inducer; astringent; cyclooxygenase 2 inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; geroprotector; human xenobiotic metabolite; plant metabolite |
hydrogen sulfide Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety. | 1.99 | 1 | 0 | gas molecular entity; hydracid; mononuclear parent hydride; sulfur hydride | Escherichia coli metabolite; genotoxin; metabolite; signalling molecule; toxin; vasodilator agent |
dihydrolipoic acid dihydrolipoic acid: RN given refers to parent cpd without isomeric designation. dihydrolipoic acid : A thio-fatty acid that is reduced form of lipoic acid. A potent antioxidant shown to directly destroy superoxide, hydroperoxy and hydroxyl radicals; also has neuroprotective and anti-tumour effects.. dihydrolipoate : The conjugate base of dihydrolipoic acid. | 2 | 1 | 0 | thio-fatty acid | antioxidant; human metabolite; neuroprotective agent |
2-keto-4-methylthiobutyric acid 2-keto-4-methylthiobutyric acid: RN given refers to parent cpd; structure. 4-methylthio-2-oxobutanoic acid : A 2-oxo monocarboxylic acid derived from L-methionine via the action of methionine transaminase. | 2 | 1 | 0 | omega-(methylthio)-2-oxocarboxylic acid | |
3,4-dihydroxyphenylacetic acid 3,4-Dihydroxyphenylacetic Acid: A deaminated metabolite of LEVODOPA.. (3,4-dihydroxyphenyl)acetic acid : A dihydroxyphenylacetic acid having the two hydroxy substituents located at the 3- and 4-positions. It is a metabolite of dopamine.. dihydroxyphenylacetic acid : A dihydroxy monocarboxylic acid consisting of phenylacetic acid having two phenolic hydroxy substituents. | 2 | 1 | 0 | catechols; dihydroxyphenylacetic acid | human metabolite |
creatine [no description available] | 2.01 | 1 | 0 | glycine derivative; guanidines; zwitterion | geroprotector; human metabolite; mouse metabolite; neuroprotective agent; nutraceutical |
lactic acid Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group. | 2.93 | 4 | 0 | 2-hydroxy monocarboxylic acid | algal metabolite; Daphnia magna metabolite |
diacetyl butane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation. | 1.99 | 1 | 0 | alpha-diketone | Escherichia coli metabolite; Saccharomyces cerevisiae metabolite |
dihydroxyacetone [no description available] | 1.98 | 1 | 0 | ketotriose; primary alpha-hydroxy ketone | antifungal agent; Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
dimethyl sulfoxide Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents. | 3.25 | 6 | 0 | sulfoxide; volatile organic compound | alkylating agent; antidote; Escherichia coli metabolite; geroprotector; MRI contrast agent; non-narcotic analgesic; polar aprotic solvent; radical scavenger |
formaldehyde paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 2.02 | 1 | 0 | aldehyde; one-carbon compound | allergen; carcinogenic agent; disinfectant; EC 3.5.1.4 (amidase) inhibitor; environmental contaminant; Escherichia coli metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
glycine [no description available] | 3.12 | 5 | 0 | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical |
glyceraldehyde Glyceraldehyde: An aldotriose containing the propionaldehyde structure with hydroxy groups at the 2- and 3-positions. It is involved in the formation of ADVANCED GLYCOSYLATION END PRODUCTS.. glyceraldehyde : An aldotriose comprising propanal having hydroxy groups at the 2- and 3-positions. It plays role in the formation of advanced glycation end-products (AGEs), a deleterious accompaniment to ageing.. aldose : Aldehydic parent sugars (polyhydroxy aldehydes H[CH(OH)]nC(=O)H, n >= 2) and their intramolecular hemiacetals. | 1.99 | 1 | 0 | aldotriose | fundamental metabolite |
glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 2.71 | 3 | 0 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
hydrogen carbonate Bicarbonates: Inorganic salts that contain the -HCO3 radical. They are an important factor in determining the pH of the blood and the concentration of bicarbonate ions is regulated by the kidney. Levels in the blood are an index of the alkali reserve or buffering capacity.. hydrogencarbonate : The carbon oxoanion resulting from the removal of a proton from carbonic acid. | 3.52 | 8 | 0 | carbon oxoanion | cofactor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
histamine [no description available] | 3.6 | 9 | 0 | aralkylamino compound; imidazoles | human metabolite; mouse metabolite; neurotransmitter |
hydroxylamine amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group. | 2.89 | 4 | 0 | hydroxylamines | algal metabolite; bacterial xenobiotic metabolite; EC 1.1.3.13 (alcohol oxidase) inhibitor; EC 4.2.1.22 (cystathionine beta-synthase) inhibitor; EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor; nitric oxide donor; nucleophilic reagent |
dihydroxyphenylalanine Dihydroxyphenylalanine: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.. dopa : A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring. | 1.98 | 1 | 0 | hydroxyphenylalanine; non-proteinogenic alpha-amino acid; tyrosine derivative | human metabolite |
thioctic acid Thioctic Acid: An octanoic acid bridged with two sulfurs so that it is sometimes also called a pentanoic acid in some naming schemes. It is biosynthesized by cleavage of LINOLEIC ACID and is a coenzyme of oxoglutarate dehydrogenase (KETOGLUTARATE DEHYDROGENASE COMPLEX). It is used in DIETARY SUPPLEMENTS. | 2.94 | 4 | 0 | dithiolanes; heterocyclic fatty acid; thia fatty acid | fundamental metabolite; geroprotector |
pyruvaldehyde Pyruvaldehyde: An organic compound used often as a reagent in organic synthesis, as a flavoring agent, and in tanning. It has been demonstrated as an intermediate in the metabolism of acetone and its derivatives in isolated cell preparations, in various culture media, and in vivo in certain animals.. methylglyoxal : A 2-oxo aldehyde derived from propanal. | 2.15 | 1 | 0 | 2-oxo aldehyde; propanals | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
phytic acid Phytic Acid: Complexing agent for removal of traces of heavy metal ions. It acts also as a hypocalcemic agent.. myo-inositol hexakisphosphate : A myo-inositol hexakisphosphate in which each hydroxy group of myo-inositol is monophosphorylated. | 2 | 1 | 0 | inositol phosphate | |
melatonin [no description available] | 2.69 | 3 | 0 | acetamides; tryptamines | anticonvulsant; central nervous system depressant; geroprotector; hormone; human metabolite; immunological adjuvant; mouse metabolite; radical scavenger |
nickel Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28. | 2 | 1 | 0 | metal allergen; nickel group element atom | epitope; micronutrient |
niacinamide nicotinamide : A pyridinecarboxamide that is pyridine in which the hydrogen at position 3 is replaced by a carboxamide group. | 3.78 | 11 | 0 | pyridine alkaloid; pyridinecarboxamide; vitamin B3 | anti-inflammatory agent; antioxidant; cofactor; EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; Escherichia coli metabolite; geroprotector; human urinary metabolite; metabolite; mouse metabolite; neuroprotective agent; Saccharomyces cerevisiae metabolite; Sir2 inhibitor |
nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 9.43 | 168 | 1 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
nitric acid Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. | 2.41 | 2 | 0 | nitrogen oxoacid | protic solvent; reagent |
nitroxyl nitroxyl: hydroxamic acid oxidized to nitroxyl free radical. nitroxyl : A nitrogen oxoacid consisting of an oxygen atom double-bonded to an NH group. | 2.42 | 2 | 0 | nitrogen oxoacid | |
nitrites Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed) | 5.11 | 44 | 0 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
nitrous oxide Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.. dinitrogen oxide : A nitrogen oxide consisting of linear unsymmetrical molecules with formula N2O. While it is the most used gaseous anaesthetic in the world, its major commercial use, due to its solubility under pressure in vegetable fats combined with its non-toxicity in low concentrations, is as an aerosol spray propellant and aerating agent for canisters of 'whipped' cream. | 2.94 | 4 | 0 | gas molecular entity; nitrogen oxide | analgesic; bacterial metabolite; food packaging gas; food propellant; general anaesthetic; greenhouse gas; inhalation anaesthetic; NMDA receptor antagonist; raising agent; refrigerant; vasodilator agent |
palmitic acid Palmitic Acid: A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.. hexadecanoic acid : A straight-chain, sixteen-carbon, saturated long-chain fatty acid. | 2.39 | 2 | 0 | long-chain fatty acid; straight-chain saturated fatty acid | algal metabolite; Daphnia magna metabolite; EC 1.1.1.189 (prostaglandin-E2 9-reductase) inhibitor; plant metabolite |
phenol [no description available] | 2.42 | 2 | 0 | phenols | antiseptic drug; disinfectant; human xenobiotic metabolite; mouse metabolite |
pqq cofactor PQQ Cofactor: A pyrrolo-quinoline having two adjacent keto-groups at the 4 and 5 positions and three acidic carboxyl groups. It is a coenzyme of some DEHYDROGENASES.. pyrroloquinoline quinone : A pyrroloquinoline having oxo groups at the 4- and 5-positions and carboxy groups at the 2-, 7- and 9-positions. | 2.01 | 1 | 0 | orthoquinones; pyrroloquinoline cofactor; tricarboxylic acid | anti-inflammatory agent; antioxidant; cofactor; water-soluble vitamin (role) |
pteridines [no description available] | 2.7 | 3 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; pteridines | |
pyridoxamine [no description available] | 2.03 | 1 | 0 | aminoalkylpyridine; hydroxymethylpyridine; monohydroxypyridine; vitamin B6 | Escherichia coli metabolite; human metabolite; iron chelator; mouse metabolite; nephroprotective agent; plant metabolite; Saccharomyces cerevisiae metabolite |
pyrogallol benzenetriol : A triol in which three hydroxy groups are substituted onto a benzene ring. | 2.41 | 2 | 0 | benzenetriol; phenolic donor | plant metabolite |
quinolinic acid Quinolinic Acid: A metabolite of tryptophan with a possible role in neurodegenerative disorders. Elevated CSF levels of quinolinic acid are correlated with the severity of neuropsychological deficits in patients who have AIDS.. pyridinedicarboxylic acid : Any member of the class of pyridines carrying two carboxy groups.. quinolinic acid : A pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan. | 2.01 | 1 | 0 | pyridinedicarboxylic acid | Escherichia coli metabolite; human metabolite; mouse metabolite; NMDA receptor agonist |
spermine [no description available] | 5.52 | 26 | 0 | polyazaalkane; tetramine | antioxidant; fundamental metabolite; immunosuppressive agent |
taurine [no description available] | 3.51 | 8 | 0 | amino sulfonic acid; zwitterion | antioxidant; Escherichia coli metabolite; glycine receptor agonist; human metabolite; mouse metabolite; nutrient; radical scavenger; Saccharomyces cerevisiae metabolite |
uric acid Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8. | 4.09 | 15 | 0 | uric acid | Escherichia coli metabolite; human metabolite; mouse metabolite |
urea pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.7 | 3 | 0 | isourea; monocarboxylic acid amide; one-carbon compound | Daphnia magna metabolite; Escherichia coli metabolite; fertilizer; flour treatment agent; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
xanthine 7H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-7 is protonated.. 9H-xanthine : An oxopurine in which the purine ring is substituted by oxo groups at positions 2 and 6 and N-9 is protonated. | 3.26 | 6 | 0 | xanthine | Saccharomyces cerevisiae metabolite |
2-amino-5-phosphonovalerate 2-Amino-5-phosphonovalerate: The D-enantiomer is a potent and specific antagonist of NMDA glutamate receptors (RECEPTORS, N-METHYL-D-ASPARTATE). The L form is inactive at NMDA receptors but may affect the AP4 (2-amino-4-phosphonobutyrate; APB) excitatory amino acid receptors. | 3.1 | 5 | 0 | non-proteinogenic alpha-amino acid | NMDA receptor antagonist |
8-hydroxy-2-(di-n-propylamino)tetralin 8-Hydroxy-2-(di-n-propylamino)tetralin: A serotonin 1A-receptor agonist that is used experimentally to test the effects of serotonin.. 8-OH-DPAT : A tetralin substituted at positions 1 and 7 by hydroxy and dipropylamino groups respectively | 2.44 | 2 | 0 | phenols; tertiary amino compound; tetralins | serotonergic antagonist |
alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid: An IBOTENIC ACID homolog and glutamate agonist. The compound is the defining agonist for the AMPA subtype of glutamate receptors (RECEPTORS, AMPA). It has been used as a radionuclide imaging agent but is more commonly used as an experimental tool in cell biological studies. | 2.68 | 3 | 0 | non-proteinogenic alpha-amino acid | |
4-iodo-2,5-dimethoxyphenylisopropylamine 4-iodo-2,5-dimethoxyphenylisopropylamine: RN given refers to unlabeled parent cpd without isomeric designation; a serotonin agonist. 2-(4-iodo-2,5-dimethoxyphenyl)-1-methylethylamine : An organoiodine compound that is amphetamine bearing two methoxy substituents at positions 2 and 5 as well as an iodo substituent at position 4. | 2.02 | 1 | 0 | amphetamines; dimethoxybenzene; organoiodine compound | |
ibotenic acid Ibotenic Acid: A neurotoxic isoxazole (similar to KAINIC ACID and MUSCIMOL) found in AMANITA mushrooms. It causes motor depression, ataxia, and changes in mood, perceptions and feelings, and is a potent excitatory amino acid agonist. | 1.97 | 1 | 0 | non-proteinogenic alpha-amino acid | neurotoxin |
4-carboxy-3-hydroxyphenylglycine 4-carboxy-3-hydroxyphenylglycine: weak agonist at metabotropic glutamate receptors; occludes the action of 1-aminocyclopentyl-1,3-dicarboxylate in hippocampus | 2.06 | 1 | 0 | hydroxybenzoic acid | |
1,10-phenanthroline 1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases | 2.43 | 2 | 0 | phenanthroline | EC 2.7.1.1 (hexokinase) inhibitor; EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor |
1,3-dipropyl-8-cyclopentylxanthine DPCPX : An oxopurine that is 7H-xanthine substituted at positions 1 and 3 by propyl groups and at position 8 by a cyclohexyl group. | 1.99 | 1 | 0 | oxopurine | adenosine A1 receptor antagonist; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
my 5445 MY 5445: potential platelet aggregation inhibitor | 2.67 | 3 | 0 | pyridazines; ring assembly | |
n-(3-(aminomethyl)benzyl)acetamidine N-(3-(aminomethyl)benzyl)acetamidine: structure in first source. N-[3-(aminomethyl)benzyl]acetamidine : An aralkylamine that is Nbenzylacetamidine substituted at position 3 on the benzene ring by an aminomethyl group. An inhibitor of nitric oxide synthase. | 2.42 | 2 | 0 | aralkylamine; carboxamidine; primary amino compound | angiogenesis inhibitor; EC 1.14.13.39 (nitric oxide synthase) inhibitor; geroprotector |
1h-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one 1H-(1,2,4)oxadiazolo(4,3-a)quinoxalin-1-one: structure given in first source; inhibits guanylyl cyclase. 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one : A member of the class of oxadiazoloquinoxalines that is 1H-[1,2,4]oxadiazolo[4,3-a]quinoxaline substituted at position 1 by an oxo group. | 4.9 | 35 | 0 | oxadiazoloquinoxaline | EC 4.6.1.2 (guanylate cyclase) inhibitor |
2,4-dinitrophenol 2,4-Dinitrophenol: A toxic dye, chemically related to trinitrophenol (picric acid), used in biochemical studies of oxidative processes where it uncouples oxidative phosphorylation. It is also used as a metabolic stimulant. (Stedman, 26th ed). dinitrophenol : Members of the class of nitrophenol carrying two nitro substituents.. 2,4-dinitrophenol : A dinitrophenol having the nitro groups at the 2- and 4-positions. | 2.01 | 1 | 0 | dinitrophenol | allergen; antiseptic drug; bacterial xenobiotic metabolite; geroprotector; oxidative phosphorylation inhibitor |
mercaptoethanol Mercaptoethanol: A water-soluble thiol derived from hydrogen sulfide and ethanol. It is used as a reducing agent for disulfide bonds and to protect sulfhydryl groups from oxidation. | 2.91 | 4 | 0 | alkanethiol; primary alcohol | geroprotector |
2-aminoethoxydiphenyl borate 2-aminoethoxydiphenyl borate: is a novel membrane-penetrable modulator and transient receptor potential channel blocker; structure in first source; do not confuse with 2-APB cpd. 2-aminoethoxydiphenylborane : An organoboron compound that is diphenylborane in which the borane hydrogen is replaced by a 2-aminoethoxy group. | 2.71 | 3 | 0 | organoboron compound; primary amino compound | calcium channel blocker; IP3 receptor antagonist; potassium channel opener |
amitrole Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.. amitrole : A member of the class of triazoles that is 1H-1,2,4-triazole substituted by an amino group at position 3. Used to control annual grasses and aquatic weeds (but not on food crops because it causes cancer in laboratory animals). Its use within the EU was banned from September 2017 on the grounds of potential groundwater contamination and risks to aquatic life; there have also been concerns about its endocrine-disrupting properties. | 2.41 | 2 | 0 | aromatic amine; triazoles | carotenoid biosynthesis inhibitor; EC 1.11.1.6 (catalase) inhibitor; herbicide |
3-aminobenzamide [no description available] | 2.42 | 2 | 0 | benzamides; substituted aniline | EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor |
3-methoxytyramine 3-methoxytyramine: RN given refers to parent cpd. 3-methoxytyramine : A monomethoxybenzene that is dopamine in which the hydroxy group at position 3 is replaced by a methoxy group. It is a metabolite of the neurotransmitter dopamine and considered a potential biomarker of pheochromocytomas and paragangliomas. | 2.42 | 2 | 0 | monomethoxybenzene; phenols; phenylethylamine; primary amino compound | biomarker; human blood serum metabolite; human urinary metabolite |
4-aminopyridine [no description available] | 3.6 | 9 | 0 | aminopyridine; aromatic amine | avicide; orphan drug; potassium channel blocker |
homovanillic acid Homovanillic Acid: A 3-O-methyl ETHER of (3,4-dihydroxyphenyl)acetic acid.. homovanillate : A hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.. homovanillic acid : A monocarboxylic acid that is the 3-O-methyl ether of (3,4-dihydroxyphenyl)acetic acid. It is a catecholamine metabolite. | 2 | 1 | 0 | guaiacols; monocarboxylic acid | human metabolite; mouse metabolite |
5,5-dimethyl-1-pyrroline-1-oxide 5,5-dimethyl-1-pyrroline-1-oxide: do not confuse with DMPO (4',5'-dihydroxy-7-methoxy-4-phenyl-5,2'-oxidocoumarin). 5,5-dimethyl-1-pyrroline N-oxide : A member of the class of 1-pyrroline nitrones (1-pyrroline N-oxides) resulting from the formal N-oxidation of 5,5-dimethyl-1-pyrroline. Used as a spin trap for the study of radicals formed by enzymatic acetaldehyde oxidation. | 3.1 | 5 | 0 | 1-pyrroline nitrones | neuroprotective agent; spin trapping reagent |
5-hydroxydecanoate 5-hydroxydecanoic acid: Potassium Channel Blocker; RN refers to parent cpd | 2.01 | 1 | 0 | medium-chain fatty acid | |
7-nitroindazole 7-nitroindazole: an inhibitor of nitric oxide synthase; exhibits anti-nociceptive activity without increasing blood pressure | 3.38 | 7 | 0 | ||
oxyquinoline Oxyquinoline: An antiseptic with mild fungistatic, bacteriostatic, anthelmintic, and amebicidal action. It is also used as a reagent and metal chelator, as a carrier for radio-indium for diagnostic purposes, and its halogenated derivatives are used in addition as topical anti-infective agents and oral antiamebics.. quinolin-8-ol : A monohydroxyquinoline that is quinoline substituted by a hydroxy group at position 8. Its fungicidal properties are used for the control of grey mould on vines and tomatoes. | 2.03 | 1 | 0 | monohydroxyquinoline | antibacterial agent; antifungal agrochemical; antiseptic drug; iron chelator |
aa 861 2,3,5-trimethyl-6-(12-hydroxy-5,10-dodecadiynyl)-1,4-benzoquinone: structure given in first source. docebenone : A member of the class of benzoquinones that is p-benzoquinone in which the hydrogens are substituted by three methyl groups and a 12-hydroxydodeca-5,10-diyn-1-yl group. | 1.99 | 1 | 0 | 1,4-benzoquinones; acetylenic compound; primary alcohol | EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; ferroptosis inhibitor |
2,2'-azobis(2-amidinopropane) 2,2'-azobis(2-amidinopropane): water-soluble free-radical initiator | 3.89 | 12 | 0 | monoazo compound | |
acetazolamide Acetazolamide: One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) | 2 | 1 | 0 | monocarboxylic acid amide; sulfonamide; thiadiazoles | anticonvulsant; diuretic; EC 4.2.1.1 (carbonic anhydrase) inhibitor |
ag-1296 6,7-dimethoxy-3-phenylquinoxaline: ATP-competitive inhibitor of receptor kinase | 2 | 1 | 0 | quinoxaline derivative | |
albuterol Albuterol: A short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol.. albuterol : A member of the class of phenylethanolamines that is 4-(2-amino-1-hydroxyethyl)-2-(hydroxymethyl)phenol having a tert-butyl group attached to the nirogen atom. It acts as a beta-adrenergic agonist used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). | 2.69 | 3 | 0 | phenols; phenylethanolamines; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; environmental contaminant; xenobiotic |
aluminum fluoride [no description available] | 1.99 | 1 | 0 | aluminium coordination entity | |
pimagedine pimagedine: diamine oxidase & nitric oxide synthase inhibitor; an advanced glycosylation end product inhibitor; used in the treatment of diabetic complications; structure. aminoguanidine : A one-carbon compound whose unique structure renders it capable of acting as a derivative of hydrazine, guanidine or formamide. | 3.1 | 5 | 0 | guanidines; one-carbon compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor; EC 1.4.3.4 (monoamine oxidase) inhibitor |
theophylline [no description available] | 1.98 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist; anti-asthmatic drug; anti-inflammatory agent; bronchodilator agent; drug metabolite; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; fungal metabolite; human blood serum metabolite; immunomodulator; muscle relaxant; vasodilator agent |
amitriptyline Amitriptyline: Tricyclic antidepressant with anticholinergic and sedative properties. It appears to prevent the re-uptake of norepinephrine and serotonin at nerve terminals, thus potentiating the action of these neurotransmitters. Amitriptyline also appears to antagonize cholinergic and alpha-1 adrenergic responses to bioactive amines.. amitriptyline : An organic tricyclic compound that is 10,11-dihydro-5H-dibenzo[a,d][7]annulene substituted by a 3-(dimethylamino)propylidene group at position 5. | 2.01 | 1 | 0 | carbotricyclic compound; tertiary amine | adrenergic uptake inhibitor; antidepressant; environmental contaminant; tropomyosin-related kinase B receptor agonist; xenobiotic |
antipyrine Antipyrine: An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29). antipyrine : A pyrazolone derivative that is 1,2-dihydropyrazol-3-one substituted with methyl groups at N-1 and C-5 and with a phenyl group at N-2. | 2.67 | 3 | 0 | pyrazolone | antipyretic; cyclooxygenase 3 inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
acetovanillone apocynin : An aromatic ketone that is 1-phenylethanone substituted by a hydroxy group at position 4 and a methoxy group at position 3. | 2.71 | 3 | 0 | acetophenones; aromatic ketone; methyl ketone | antirheumatic drug; EC 1.6.3.1. [NAD(P)H oxidase (H2O2-forming)] inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug; peripheral nervous system drug; plant metabolite |
apraclonidine apraclonidine: relieves postoperative intraocular pressure following trabeculoplasty; RN given refers to parent cpd. apraclonidine : An imidazoline that is 2-amino 4,5-dihydro-1H-imidazoline in which one of the exocyclic amino hydrogens has been replaced by a 4-amino-2,6-dichlorophenyl group. | 2.1 | 1 | 0 | dichlorobenzene; guanidines; imidazolines | alpha-adrenergic agonist; antiglaucoma drug; beta-adrenergic agonist; diagnostic agent; ophthalmology drug |
aspirin Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 5.18 | 15 | 0 | benzoic acids; phenyl acetates; salicylates | anticoagulant; antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; EC 1.1.1.188 (prostaglandin-F synthase) inhibitor; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; plant activator; platelet aggregation inhibitor; prostaglandin antagonist; teratogenic agent |
aurintricarboxylic acid Aurintricarboxylic Acid: A dye which inhibits protein biosynthesis at the initial stages. The ammonium salt (aluminon) is a reagent for the colorimetric estimation of aluminum in water, foods, and tissues.. aurintricarboxylic acid : A member of the class of quinomethanes that is 3-methylidene-6-oxocyclohexa-1,4-diene-1-carboxylic acid in which the methylidene hydrogens are replaced by 4-carboxy-3-hydroxyphenyl groups. The trisodium salt is the biological stain 'chrome violet CG' while the triammonium salt is 'aluminon'. | 2 | 1 | 0 | monohydroxybenzoic acid; quinomethanes; tricarboxylic acid | fluorochrome; histological dye; insulin-like growth factor receptor 1 antagonist |
bay-k-8644 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester: A dihydropyridine derivative, which, in contrast to NIFEDIPINE, functions as a calcium channel agonist. The compound facilitates Ca2+ influx through partially activated voltage-dependent Ca2+ channels, thereby causing vasoconstrictor and positive inotropic effects. It is used primarily as a research tool.. Bay-K-8644 : A racemate comprising equimolar amounts of (R)- and (S)-Bay-K-8644. methyl 2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)phenyl]-1,4-dihydropyridine-3-carboxylate : A pentasubstituted dihydropyridine carrying methoxycarbonyl, 2-(trifluoromethyl)phenyl and nitro substituents at positions 3, 4 and 5 respectively as well as two methyl substituents at positions 2 and 6. | 2.68 | 3 | 0 | (trifluoromethyl)benzenes; C-nitro compound; dihydropyridine; methyl ester | |
benzamide benzamide : An aromatic amide that consists of benzene bearing a single carboxamido substituent. The parent of the class of benzamides. | 1.99 | 1 | 0 | benzamides | |
benzo(a)pyrene Benzo(a)pyrene: A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke.. benzo[a]pyrene : An ortho- and peri-fused polycyclic arene consisting of five fused benzene rings. | 2 | 1 | 0 | ortho- and peri-fused polycyclic arene | carcinogenic agent; mouse metabolite |
bepridil Bepridil: A long-acting calcium-blocking agent with significant anti-anginal activity. The drug produces significant coronary vasodilation and modest peripheral effects. It has antihypertensive and selective anti-arrhythmia activities and acts as a calmodulin antagonist.. bepridil : A tertiary amine in which the substituents on nitrogen are benzyl, phenyl and 3-(2-methylpropoxy)-2-(pyrrolidin-1-yl)propyl. | 2.41 | 2 | 0 | pyrrolidines; tertiary amine | anti-arrhythmia drug; antihypertensive agent; calcium channel blocker; vasodilator agent |
2,5-di-tert-butylhydroquinone 2,5-di-tert-butylbenzene-1,4-diol : A member of the class of hydroquinones that is benzene-1,4-diol substituted by tert-butyl groups at position 2 and 5. | 2 | 1 | 0 | hydroquinones | |
caffeine [no description available] | 3.13 | 5 | 0 | purine alkaloid; trimethylxanthine | adenosine A2A receptor antagonist; adenosine receptor antagonist; adjuvant; central nervous system stimulant; diuretic; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; environmental contaminant; food additive; fungal metabolite; geroprotector; human blood serum metabolite; mouse metabolite; mutagen; plant metabolite; psychotropic drug; ryanodine receptor agonist; xenobiotic |
verapamil Verapamil: A calcium channel blocker that is a class IV anti-arrhythmia agent.. verapamil : A racemate comprising equimolar amounts of dexverapamil and (S)-verapamil. An L-type calcium channel blocker of the phenylalkylamine class, it is used (particularly as the hydrochloride salt) in the treatment of hypertension, angina pectoris and cardiac arrhythmia, and as a preventive medication for migraine.. 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile : A tertiary amino compound that is 3,4-dimethoxyphenylethylamine in which the hydrogens attached to the nitrogen are replaced by a methyl group and a 4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl group. | 4.29 | 4 | 1 | aromatic ether; nitrile; polyether; tertiary amino compound | |
calmidazolium calmidazolium: powerful inhibitor of or red blood cell Ca++-ATPase & Ca++ transport into inside-out red blood cell vesicles; RN refers to chloride; structure in first source; an antagonist of calmodulin. calmidazolium : An imidazolium ion that is imidazolium cation substituted by a bis(4-chlorophenyl)methyl group at position 1 and a 2-[(2,4-dichlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl group at position 3. It acts as an antagonist of calmodulin, a calcium binding messenger protein. | 2.39 | 2 | 0 | imidazolium ion | apoptosis inducer; calmodulin antagonist |
camostat camostat : A benzoate ester resulting from the formal condensation of the carboxy group of 4-guanidinobenzoic acid with the hydroxy group of 2-(dimethylamino)-2-oxoethyl (4-hydroxyphenyl)acetate. It is a potent inhibitor of the human transmembrane protease serine 2 (TMPRSS2) and its mesylate salt is currently under investigation for its effectiveness in COVID-19 patients. | 2.01 | 1 | 0 | benzoate ester; carboxylic ester; diester; guanidines; tertiary carboxamide | anti-inflammatory agent; anticoronaviral agent; antifibrinolytic drug; antihypertensive agent; antineoplastic agent; antiviral agent; serine protease inhibitor |
carmustine Carmustine: A cell-cycle phase nonspecific alkylating antineoplastic agent. It is used in the treatment of brain tumors and various other malignant neoplasms. (From Martindale, The Extra Pharmacopoeia, 30th ed, p462) This substance may reasonably be anticipated to be a carcinogen according to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985). (From Merck Index, 11th ed). carmustine : A member of the class of N-nitrosoureas that is 1,3-bis(2-chloroethyl)urea in which one of the nitrogens is substituted by a nitroso group. | 2.01 | 1 | 0 | N-nitrosoureas; organochlorine compound | alkylating agent; antineoplastic agent |
chelerythrine chelerythrine : A benzophenanthridine alkaloid isolated from the root of Zanthoxylum simulans, Chelidonium majus L., and other Papaveraceae. | 2 | 1 | 0 | benzophenanthridine alkaloid; organic cation | antibacterial agent; antineoplastic agent; EC 2.7.11.13 (protein kinase C) inhibitor |
ciclopirox [no description available] | 2.01 | 1 | 0 | cyclic hydroxamic acid; hydroxypyridone antifungal drug; pyridone | antibacterial agent; antiseborrheic |
cilostamide cilostamide: selective inhibitor of cyclic AMP phosphodiesterase & platelet aggregation; structure | 2.38 | 2 | 0 | quinolines | |
cilostazol [no description available] | 2.1 | 1 | 0 | lactam; tetrazoles | anticoagulant; bronchodilator agent; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; fibrin modulating drug; neuroprotective agent; platelet aggregation inhibitor; vasodilator agent |
clonidine Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.. clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group. | 2.45 | 2 | 0 | clonidine; imidazoline | |
cystamine [no description available] | 1.98 | 1 | 0 | organic disulfide; primary amino compound | EC 2.3.2.13 (protein-glutamine gamma-glutamyltransferase) inhibitor |
deferoxamine Deferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.. desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator. | 3.8 | 11 | 0 | acyclic desferrioxamine | bacterial metabolite; ferroptosis inhibitor; iron chelator; siderophore |
diazoxide Diazoxide: A benzothiadiazine derivative that is a peripheral vasodilator used for hypertensive emergencies. It lacks diuretic effect, apparently because it lacks a sulfonamide group.. diazoxide : A benzothiadiazine that is the S,S-dioxide of 2H-1,2,4-benzothiadiazine which is substituted at position 3 by a methyl group and at position 7 by chlorine. A peripheral vasodilator, it increases the concentration of glucose in the plasma and inhibits the secretion of insulin by the beta- cells of the pancreas. It is used orally in the management of intractable hypoglycaemia and intravenously in the management of hypertensive emergencies. | 2.41 | 2 | 0 | benzothiadiazine; organochlorine compound; sulfone | antihypertensive agent; beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; diuretic; K-ATP channel agonist; sodium channel blocker; sympathomimetic agent; vasodilator agent |
diclofenac Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt.. diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. | 1.99 | 1 | 0 | amino acid; aromatic amine; dichlorobenzene; monocarboxylic acid; secondary amino compound | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
pentetic acid Pentetic Acid: An iron chelating agent with properties like EDETIC ACID. DTPA has also been used as a chelator for other metals, such as plutonium. | 2 | 1 | 0 | pentacarboxylic acid | copper chelator |
diphenyleneiodonium diphenyleneiodonium: structure in first source; NADPH oxidase inhibitor. dibenziodolium : An organic cation that is fluorene in which the methylene group is replaced by a positively charged iodine. | 2.41 | 2 | 0 | organic cation | |
dipyridamole Dipyridamole: A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752). dipyridamole : A pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots. | 1.97 | 1 | 0 | piperidines; pyrimidopyrimidine; tertiary amino compound; tetrol | adenosine phosphodiesterase inhibitor; EC 3.5.4.4 (adenosine deaminase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
2-amino-7-phosphonoheptanoic acid 2-amino-7-phosphonoheptanoic acid: (D)-isomer active as an antagonist of N-methyl-D-aspartate excitation of central neurons; (L)-isomer inactive; RN given refers to cpd without isomeric designation | 2.47 | 2 | 0 | ||
2,3-dimethoxy-1,4-naphthoquinone 2,3-dimethoxynaphthalene-1,4-dione : A naphthoquinone that is 1,4-naphthoquinone bearing two methoxy substituents at positions 2 and 3. Redox-cycling agent that induces intracellular superoxide anion formation and, depending on the concentration, induces cell proliferation, apoptosis or necrosis. Used to study the role of ROS in cell toxicity, apoptosis, and necrosis. | 2.01 | 1 | 0 | 1,4-naphthoquinones | |
ebselen ebselen : A benzoselenazole that is 1,2-benzoselenazol-3-one carrying an additional phenyl substituent at position 2. Acts as a mimic of glutathione peroxidase. | 2.69 | 3 | 0 | benzoselenazole | anti-inflammatory drug; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 2.5.1.7 (UDP-N-acetylglucosamine 1-carboxyvinyltransferase) inhibitor; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor; EC 3.1.3.25 (inositol-phosphate phosphatase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 3.5.4.1 (cytosine deaminase) inhibitor; EC 5.1.3.2 (UDP-glucose 4-epimerase) inhibitor; enzyme mimic; ferroptosis inhibitor; genotoxin; hepatoprotective agent; neuroprotective agent; radical scavenger |
9-(2-hydroxy-3-nonyl)adenine 9-(2-hydroxy-3-nonyl)adenine: specific inhibitor of adenosine deaminase | 2.02 | 1 | 0 | ||
erythrosine Fluoresceins: A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays. | 4.04 | 14 | 0 | ||
ethacrynic acid Ethacrynic Acid: A compound that inhibits symport of sodium, potassium, and chloride primarily in the ascending limb of Henle, but also in the proximal and distal tubules. This pharmacological action results in excretion of these ions, increased urinary output, and reduction in extracellular fluid. This compound has been classified as a loop or high ceiling diuretic.. etacrynic acid : An aromatic ether that is phenoxyacetic acid in which the phenyl ring is substituted by chlorines at positions 2 and 3, and by a 2-methylidenebutanoyl group at position 4. It is a loop diuretic used to treat high blood pressure resulting from diseases such as congestive heart failure, liver failure, and kidney failure. It is also a glutathione S-transferase (EC 2.5.1.18) inhibitor. | 2.02 | 1 | 0 | aromatic ether; aromatic ketone; dichlorobenzene; monocarboxylic acid | EC 2.5.1.18 (glutathione transferase) inhibitor; ion transport inhibitor; loop diuretic |
fendiline Fendiline: Coronary vasodilator; inhibits calcium function in muscle cells in excitation-contraction coupling; proposed as antiarrhythmic and antianginal agents. | 1.98 | 1 | 0 | diarylmethane | |
flurbiprofen Flurbiprofen: An anti-inflammatory analgesic and antipyretic of the phenylalkynoic acid series. It has been shown to reduce bone resorption in periodontal disease by inhibiting CARBONIC ANHYDRASE.. flurbiprofen : A monocarboxylic acid that is a 2-fluoro-[1,1'-biphenyl-4-yl] moiety linked to C-2 of propionic acid. A non-steroidal anti-inflammatory, analgesic and antipyretic, it is used as a pre-operative anti-miotic as well as orally for arthritis or dental pain. | 1.98 | 1 | 0 | fluorobiphenyl; monocarboxylic acid | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
fpl 64176 FPL 64176: an activator of L-type calcium channels; structure given in first source. FPL 64176 : 1H-Pyrrole substituted at C-2 and -5 by methyl groups, at C-3 by methoxycarbonyl and at C-4 by a 2-benzylbenzoyl group. | 2.06 | 1 | 0 | carboxylic ester; pyrroles | calcium channel agonist |
gabexate Gabexate: A serine proteinase inhibitor used therapeutically in the treatment of pancreatitis, disseminated intravascular coagulation (DIC), and as a regional anticoagulant for hemodialysis. The drug inhibits the hydrolytic effects of thrombin, plasmin, and kallikrein, but not of chymotrypsin and aprotinin. | 2.01 | 1 | 0 | benzoate ester | |
glyburide Glyburide: An antidiabetic sulfonylurea derivative with actions like those of chlorpropamide. glyburide : An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. | 4.35 | 20 | 0 | monochlorobenzenes; N-sulfonylurea | anti-arrhythmia drug; EC 2.7.1.33 (pantothenate kinase) inhibitor; EC 3.6.3.49 (channel-conductance-controlling ATPase) inhibitor; hypoglycemic agent |
go 6976 [no description available] | 2.47 | 2 | 0 | indolocarbazole; organic heterohexacyclic compound | EC 2.7.11.13 (protein kinase C) inhibitor |
guanidine Guanidine: A strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant. (From Martindale, the Extra Pharmacopoeia, 30th ed and Merck Index, 12th ed) It is also used in the treatment of myasthenia and as a fluorescent probe in HPLC.. guanidine : An aminocarboxamidine, the parent compound of the guanidines. | 2 | 1 | 0 | carboxamidine; guanidines; one-carbon compound | |
1-(5-isoquinolinesulfonyl)-2-methylpiperazine 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine: A specific protein kinase C inhibitor, which inhibits superoxide release from human neutrophils (PMN) stimulated with phorbol myristate acetate or synthetic diacylglycerol.. 1-(5-isoquinolinesulfonyl)-2-methylpiperazine : A member of the class of N-sulfonylpiperazines that is 2-methylpiperazine substituted at position 1 by a 5-isoquinolinesulfonyl group. | 2.01 | 1 | 0 | isoquinolines; N-sulfonylpiperazine | EC 2.7.11.13 (protein kinase C) inhibitor |
haloperidol Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 2.01 | 1 | 0 | aromatic ketone; hydroxypiperidine; monochlorobenzenes; organofluorine compound; tertiary alcohol | antidyskinesia agent; antiemetic; dopaminergic antagonist; first generation antipsychotic; serotonergic antagonist |
halothane [no description available] | 1.99 | 1 | 0 | haloalkane; organobromine compound; organochlorine compound; organofluorine compound | inhalation anaesthetic |
hexamethylene bisacetamide N,N'-diacetyl-1,6-diaminohexane: chemical name obtained from Acta Biol Hung 1990;41(1-3):199-208 | 1.98 | 1 | 0 | acetamides | |
ethidium Ethidium: A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.. ethidium : The fluorescent compound widely used in experimental cell biology and biochemistry to reveal double-stranded DNA and RNA. | 2.06 | 1 | 0 | phenanthridines | fluorochrome; intercalator |
hydralazine Hydralazine: A direct-acting vasodilator that is used as an antihypertensive agent.. hydralazine : The 1-hydrazino derivative of phthalazine; a direct-acting vasodilator that is used as an antihypertensive agent. | 1.98 | 1 | 0 | azaarene; hydrazines; ortho-fused heteroarene; phthalazines | antihypertensive agent; vasodilator agent |
hydroxyurea [no description available] | 2 | 1 | 0 | one-carbon compound; ureas | antimetabolite; antimitotic; antineoplastic agent; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; genotoxin; immunomodulator; radical scavenger; teratogenic agent |
ibuprofen Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine | 2 | 1 | 0 | monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; geroprotector; non-narcotic analgesic; non-steroidal anti-inflammatory drug; radical scavenger; xenobiotic |
lidocaine Lidocaine: A local anesthetic and cardiac depressant used as an antiarrhythmia agent. Its actions are more intense and its effects more prolonged than those of PROCAINE but its duration of action is shorter than that of BUPIVACAINE or PRILOCAINE.. lidocaine : The monocarboxylic acid amide resulting from the formal condensation of N,N-diethylglycine with 2,6-dimethylaniline. | 2.15 | 1 | 0 | benzenes; monocarboxylic acid amide; tertiary amino compound | anti-arrhythmia drug; drug allergen; environmental contaminant; local anaesthetic; xenobiotic |
imipramine Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group.. imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. | 2.03 | 1 | 0 | dibenzoazepine | adrenergic uptake inhibitor; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
indomethacin Indomethacin: A non-steroidal anti-inflammatory agent (NSAID) that inhibits CYCLOOXYGENASE, which is necessary for the formation of PROSTAGLANDINS and other AUTACOIDS. It also inhibits the motility of POLYMORPHONUCLEAR LEUKOCYTES.. indometacin : A member of the class of indole-3-acetic acids that is indole-3-acetic acid in which the indole ring is substituted at positions 1, 2 and 5 by p-chlorobenzoyl, methyl, and methoxy groups, respectively. A non-steroidal anti-inflammatory drug, it is used in the treatment of musculoskeletal and joint disorders including osteoarthritis, rheumatoid arthritis, gout, bursitis and tendinitis. | 4.01 | 14 | 0 | aromatic ether; indole-3-acetic acids; monochlorobenzenes; N-acylindole | analgesic; drug metabolite; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; gout suppressant; non-steroidal anti-inflammatory drug; xenobiotic metabolite; xenobiotic |
1-methyl-3-isobutylxanthine 1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES. 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively. | 3.93 | 13 | 0 | 3-isobutyl-1-methylxanthine | |
isoflurane Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 1.99 | 1 | 0 | organofluorine compound | inhalation anaesthetic |
isoniazid Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 2.4 | 2 | 0 | carbohydrazide | antitubercular agent; drug allergen |
isoproterenol Isoproterenol: Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant.. isoprenaline : A secondary amino compound that is noradrenaline in which one of the hydrogens attached to the nitrogen is replaced by an isopropyl group. A sympathomimetic acting almost exclusively on beta-adrenergic receptors, it is used (mainly as the hydrochloride salt) as a bronghodilator and heart stimulant for the management of a variety of cardiac disorders. | 4.51 | 24 | 0 | catechols; secondary alcohol; secondary amino compound | beta-adrenergic agonist; bronchodilator agent; cardiotonic drug; sympathomimetic agent |
staurosporine aglycone staurosporine aglycone: metabolite from culture broth of Nocardiopsis sp.; a neurotrophin antag; inhibits BDNF TrkB receptor | 2 | 1 | 0 | ||
ketoprofen Ketoprofen: An IBUPROFEN-type anti-inflammatory analgesic and antipyretic. It is used in the treatment of rheumatoid arthritis and osteoarthritis.. ketoprofen : An oxo monocarboxylic acid that consists of propionic acid substituted by a 3-benzoylphenyl group at position 2. | 1.99 | 1 | 0 | benzophenones; oxo monocarboxylic acid | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
kynurenic acid Kynurenic Acid: A broad-spectrum excitatory amino acid antagonist used as a research tool.. kynurenic acid : A quinolinemonocarboxylic acid that is quinoline-2-carboxylic acid substituted by a hydroxy group at C-4. | 2.42 | 2 | 0 | monohydroxyquinoline; quinolinemonocarboxylic acid | G-protein-coupled receptor agonist; human metabolite; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist; Saccharomyces cerevisiae metabolite |
2-(4-morpholinyl)-8-phenyl-4h-1-benzopyran-4-one 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one: specific inhibitor of phosphatidylinositol 3-kinase; structure in first source | 2.41 | 2 | 0 | chromones; morpholines; organochlorine compound | autophagy inhibitor; EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor; geroprotector |
6-anilino-5,8-quinolinedione 6-anilino-5,8-quinolinedione: structure given in first source; SRS-A & guanylate cyclase antagonist. 6-anilino-5,8-quinolinedione : A quinolone that is quinoline-5,8-dione in which the hydrogen at position 6 is replaced by an anilino group. | 3.87 | 12 | 0 | aminoquinoline; aromatic amine; p-quinones; quinolone | antineoplastic agent; EC 4.6.1.2 (guanylate cyclase) inhibitor |
methyl methanesulfonate [no description available] | 2.41 | 2 | 0 | methanesulfonate ester | alkylating agent; apoptosis inducer; carcinogenic agent; genotoxin; mutagen |
midazolam Midazolam: A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentistry, cardiac surgery, endoscopic procedures, as preanesthetic medication, and as an adjunct to local anesthesia. The short duration and cardiorespiratory stability makes it useful in poor-risk, elderly, and cardiac patients. It is water-soluble at pH less than 4 and lipid-soluble at physiological pH.. midazolam : An imidazobenzodiazepine that is 4H-imidazo[1,5-a][1,4]benzodiazepine which is substituted by a methyl, 2-fluorophenyl and chloro groups at positions 1, 6 and 8, respectively. | 2.02 | 1 | 0 | imidazobenzodiazepine; monofluorobenzenes; organochlorine compound | anticonvulsant; antineoplastic agent; anxiolytic drug; apoptosis inducer; central nervous system depressant; GABAA receptor agonist; general anaesthetic; muscle relaxant; sedative |
milrinone [no description available] | 2.69 | 3 | 0 | bipyridines; nitrile; pyridone | cardiotonic drug; EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor; platelet aggregation inhibitor; vasodilator agent |
molsidomine Molsidomine: A morpholinyl sydnone imine ethyl ester, having a nitrogen in place of the keto oxygen. It acts as NITRIC OXIDE DONORS and is a vasodilator that has been used in ANGINA PECTORIS.. molsidomine : A member of the class of oxadiazoles that is 1,2,3-oxadiazole substituted by morpholin-4-yl and (ethoxycarbonyl)azanidyl groups at positions 3 and 5, respectively. It is used as a vasodilator drug for the treatment of myocardial ischemic syndrome and congestive heart failure. | 18.38 | 1,386 | 34 | ethyl ester; morpholines; oxadiazole; zwitterion | antioxidant; apoptosis inhibitor; cardioprotective agent; nitric oxide donor; vasodilator agent |
moxisylyte Moxisylyte: An alpha-adrenergic blocking agent that is used in Raynaud's disease. It is also used locally in the eye to reverse the mydriasis caused by phenylephrine and other sympathomimetic agents. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1312) | 1.98 | 1 | 0 | monoterpenoid | |
deet N,N-diethyl-m-toluamide : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of m-toluic acid with the nitrogen of diethylamine. First developed by the U.S. Army in 1946 for use by military personnel in insect-infested areas, it is the most widely used insect repellent worldwide. | 2.93 | 4 | 0 | benzamides; monocarboxylic acid amide | environmental contaminant; insect repellent; xenobiotic |
n-(4-aminobutyl)-5-chloro-2-naphthalenesulfonamide N-(4-aminobutyl)-5-chloro-2-naphthalenesulfonamide: calmodulin antagonist; structure given in first source. N-(4-aminobutyl)-5-chloronaphthalene-2-sulfonamide : A sulfonamide that is 5-chloronaphthalene-2-sulfonamide in which one of the hydrogens of the nitrogen atom is substituted by a 4-aminobutyl group. | 2 | 1 | 0 | naphthalenes; organochlorine compound; primary amino compound; sulfonamide | |
ethylmaleimide Ethylmaleimide: A sulfhydryl reagent that is widely used in experimental biochemical studies. | 3.39 | 7 | 0 | maleimides | anticoronaviral agent; EC 1.3.1.8 [acyl-CoA dehydrogenase (NADP(+))] inhibitor; EC 2.1.1.122 [(S)-tetrahydroprotoberberine N-methyltransferase] inhibitor; EC 2.7.1.1 (hexokinase) inhibitor |
nafronyl Nafronyl: A drug used in the management of peripheral and cerebral vascular disorders. It is claimed to enhance cellular oxidative capacity and to be a spasmolytic. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1310) It may also be an antagonist at 5HT-2 serotonin receptors. | 1.98 | 1 | 0 | naphthalenes | |
activins Activins: Activins are produced in the pituitary, gonads, and other tissues. By acting locally, they stimulate pituitary FSH secretion and have diverse effects on cell differentiation and embryonic development. Activins are glycoproteins that are hetero- or homodimers of INHIBIN-BETA SUBUNITS. | 2.03 | 1 | 0 | ||
nicardipine Nicardipine: A potent calcium channel blockader with marked vasodilator action. It has antihypertensive properties and is effective in the treatment of angina and coronary spasms without showing cardiodepressant effects. It has also been used in the treatment of asthma and enhances the action of specific antineoplastic agents.. nicardipine : A racemate comprising equimolar amounts of (R)- and (S)-nicardipine. It is a calcium channel blocker which is used to treat hypertension.. 2-[benzyl(methyl)amino]ethyl methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate : A dihydropyridine that is 1,4-dihydropyridine substituted by a methyl, {2-[benzyl(methyl)amino]ethoxy}carbonyl, 3-nitrophenyl, methoxycarbonyl and methyl groups at positions 2, 3, 4, 5 and 6, respectively. | 4.09 | 3 | 1 | benzenes; C-nitro compound; diester; dihydropyridine; methyl ester; tertiary amino compound | |
nifedipine Nifedipine: A potent vasodilator agent with calcium antagonistic action. It is a useful anti-anginal agent that also lowers blood pressure. | 5.39 | 14 | 1 | C-nitro compound; dihydropyridine; methyl ester | calcium channel blocker; human metabolite; tocolytic agent; vasodilator agent |
nipecotic acid nipecotic acid: RN given refers to cpd without isomeric designation. nipecotic acid : A piperidinemonocarboxylic acid that is piperidine in which one of the hydrogens at position 3 is substituted by a carboxylic acid group. | 2.02 | 1 | 0 | beta-amino acid; piperidinemonocarboxylic acid | |
nisoldipine Nisoldipine: A dihydropyridine calcium channel antagonist that acts as a potent arterial vasodilator and antihypertensive agent. It is also effective in patients with cardiac failure and angina.. nisoldipine : A racemate consisting of equimolar amounts of (R)- and (S)-nisoldipine. A calcium channel blocker, it is used in the treatment of hypertension and angina pectoris.. methyl 2-methylpropyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a methoxycarbonyl group at position 3, an o-nitrophenyl group at position 4, and an isobutoxycarbonyl group at position 5. The racemate, a calcium channel blocker, is used in the treatment of hypertension and angina pectoris. | 4.07 | 3 | 1 | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; methyl ester | |
nitrendipine Nitrendipine: A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium retentive.. nitrendipine : A dihydropyridine that is 1,4-dihydropyridine substituted by methyl groups at positions 2 and 6, a 3-nitrophenyl group at position 4, a ethoxycarbonyl group at position 3 and a methoxycarbonyl group at position 5. It is a calcium-channel blocker used in the treatment of hypertension. | 2.4 | 2 | 0 | C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; ethyl ester; methyl ester | antihypertensive agent; calcium channel blocker; geroprotector; vasodilator agent |
nitroglycerin Nitroglycerin: A volatile vasodilator which relieves ANGINA PECTORIS by stimulating GUANYLATE CYCLASE and lowering cytosolic calcium. It is also sometimes used for TOCOLYSIS and explosives.. nitroglycerol : A nitrate ester that is glycerol in which nitro group(s) replace the hydrogen(s) attached to one or more of the hydroxy groups.. nitroglycerin : A nitroglycerol that is glycerol in which the hydrogen atoms of all three hydroxy groups are replaced by nitro groups. It acts as a prodrug, releasing nitric oxide to open blood vessels and so alleviate heart pain. | 10.17 | 78 | 4 | nitroglycerol | explosive; muscle relaxant; nitric oxide donor; prodrug; tocolytic agent; vasodilator agent; xenobiotic |
ns 2028 NS 2028: structure in first source | 2.4 | 2 | 0 | ||
oxonic acid Oxonic Acid: Antagonist of urate oxidase. | 2.01 | 1 | 0 | 1,3,5-triazines; monocarboxylic acid | |
oxidopamine Oxidopamine: A neurotransmitter analogue that depletes noradrenergic stores in nerve endings and induces a reduction of dopamine levels in the brain. Its mechanism of action is related to the production of cytolytic free-radicals.. oxidopamine : A benzenetriol that is phenethylamine in which the hydrogens at positions 2, 4, and 5 on the phenyl ring are replaced by hydroxy groups. It occurs naturally in human urine, but is also produced as a metabolite of the drug DOPA (used for the treatment of Parkinson's disease). | 3.4 | 7 | 0 | benzenetriol; catecholamine; primary amino compound | drug metabolite; human metabolite; neurotoxin |
oxotremorine Oxotremorine: A non-hydrolyzed muscarinic agonist used as a research tool. | 2 | 1 | 0 | N-alkylpyrrolidine | |
papaverine Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.. papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. | 5.95 | 14 | 2 | benzylisoquinoline alkaloid; dimethoxybenzene; isoquinolines | antispasmodic drug; vasodilator agent |
pargyline Pargyline: A monoamine oxidase inhibitor with antihypertensive properties. | 2.41 | 2 | 0 | aromatic amine | |
pd 98059 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one: inhibits MAP kinase kinase (MEK) activity, p42 MAPK and p44 MAPK; structure in first source. 2-(2-amino-3-methoxyphenyl)chromen-4-one : A member of the class of monomethoxyflavones that is 3'-methoxyflavone bearing an additional amino substituent at position 2'. | 3.1 | 5 | 0 | aromatic amine; monomethoxyflavone | EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; geroprotector |
pentoxifylline [no description available] | 2.69 | 3 | 0 | oxopurine | |
pinacidil Pinacidil: A guanidine that opens POTASSIUM CHANNELS producing direct peripheral vasodilatation of the ARTERIOLES. It reduces BLOOD PRESSURE and peripheral resistance and produces fluid retention. (Martindale The Extra Pharmacopoeia, 31st ed) | 2.91 | 4 | 0 | pyridines | |
pirenzepine Pirenzepine: An antimuscarinic agent that inhibits gastric secretion at lower doses than are required to affect gastrointestinal motility, salivary, central nervous system, cardiovascular, ocular, and urinary function. It promotes the healing of duodenal ulcers and due to its cytoprotective action is beneficial in the prevention of duodenal ulcer recurrence. It also potentiates the effect of other antiulcer agents such as CIMETIDINE and RANITIDINE. It is generally well tolerated by patients. | 2 | 1 | 0 | pyridobenzodiazepine | anti-ulcer drug; antispasmodic drug; muscarinic antagonist |
potassium chloride Potassium Chloride: A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.. potassium chloride : A metal chloride salt with a K(+) counterion. | 4.13 | 16 | 0 | inorganic chloride; inorganic potassium salt; potassium salt | fertilizer |
prazosin Prazosin: A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.. prazosin : A member of the class of piperazines that is piperazine substituted by a furan-2-ylcarbonyl group and a 4-amino-6,7-dimethoxyquinazolin-2-yl group at positions 1 and 4 respectively. | 2.01 | 1 | 0 | aromatic ether; furans; monocarboxylic acid amide; piperazines; quinazolines | alpha-adrenergic antagonist; antihypertensive agent; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
proadifen Proadifen: An inhibitor of drug metabolism and CYTOCHROME P-450 ENZYME SYSTEM activity. | 1.99 | 1 | 0 | diarylmethane | |
probenecid Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.. probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | 2.39 | 2 | 0 | benzoic acids; sulfonamide | uricosuric drug |
propofol Propofol: An intravenous anesthetic agent which has the advantage of a very rapid onset after infusion or bolus injection plus a very short recovery period of a couple of minutes. (From Smith and Reynard, Textbook of Pharmacology, 1992, 1st ed, p206). Propofol has been used as ANTICONVULSANTS and ANTIEMETICS.. propofol : A phenol resulting from the formal substitution of the hydrogen at the 2 position of 1,3-diisopropylbenzene by a hydroxy group. | 2.71 | 3 | 0 | phenols | anticonvulsant; antiemetic; intravenous anaesthetic; radical scavenger; sedative |
propranolol Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. | 2.91 | 4 | 0 | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
protoporphyrin ix protoporphyrin IX: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7685. protoporphyrin : A cyclic tetrapyrrole that consists of porphyrin bearing four methyl substituents at positions 3, 8, 13 and 17, two vinyl substituents at positions 7 and 12 and two 2-carboxyethyl substituents at positions 2 and 18. The parent of the class of protoporphyrins. | 2.46 | 2 | 0 | ||
rofecoxib [no description available] | 2.01 | 1 | 0 | butenolide; sulfone | analgesic; cyclooxygenase 2 inhibitor; non-steroidal anti-inflammatory drug |
rolipram [no description available] | 1.98 | 1 | 0 | pyrrolidin-2-ones | antidepressant; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
sb 202190 4-(4-fluorophenyl)-2-(4-hydroxyphenyl)-5-(4-pyridyl)imidazole: structure given in first source; inhibits p38 MAP kinase | 2.41 | 2 | 0 | imidazoles; organofluorine compound; phenols; pyridines | apoptosis inducer; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor |
sodium fluoride [no description available] | 2.42 | 2 | 0 | fluoride salt | mutagen |
sotalol Sotalol: An adrenergic beta-antagonist that is used in the treatment of life-threatening arrhythmias.. sotalol : A sulfonamide that is N-phenylmethanesulfonamide in which the phenyl group is substituted at position 4 by a 1-hydroxy-2-(isopropylamino)ethyl group. It has both beta-adrenoreceptor blocking (Vaughan Williams Class II) and cardiac action potential duration prolongation (Vaughan Williams Class III) antiarrhythmic properties. It is used (usually as the hydrochloride salt) for the management of ventricular and supraventricular arrhythmias. | 2.01 | 1 | 0 | ethanolamines; secondary alcohol; secondary amino compound; sulfonamide | anti-arrhythmia drug; beta-adrenergic antagonist; environmental contaminant; xenobiotic |
suramin Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties.. suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. | 1.98 | 1 | 0 | naphthalenesulfonic acid; phenylureas; secondary carboxamide | angiogenesis inhibitor; antinematodal drug; antineoplastic agent; apoptosis inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; GABA antagonist; GABA-gated chloride channel antagonist; purinergic receptor P2 antagonist; ryanodine receptor agonist; trypanocidal drug |
tetracaine Tetracaine: A potent local anesthetic of the ester type used for surface and spinal anesthesia.. tetracaine : A benzoate ester in which 4-N-butylbenzoic acid and 2-(dimethylamino)ethanol have combined to form the ester bond; a local ester anaesthetic (ester caine) used for surface and spinal anaesthesia. | 2.21 | 1 | 0 | benzoate ester; tertiary amino compound | local anaesthetic |
tetraethylammonium Tetraethylammonium: A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90) | 3.38 | 7 | 0 | quaternary ammonium ion | |
tiopronin Tiopronin: Sulfhydryl acylated derivative of GLYCINE. | 2.67 | 3 | 0 | N-acyl-amino acid | |
8-(n,n-diethylamino)octyl-3,4,5-trimethoxybenzoate 8-(N,N-diethylamino)octyl-3,4,5-trimethoxybenzoate: intracellular calcium antagonist; RN given refers to parent cpd | 2.01 | 1 | 0 | trihydroxybenzoic acid | |
n,n,n',n'-tetrakis(2-pyridylmethyl)ethylenediamine N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine: a zinc ion chelating agent; structure given in first source. N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine : An N-substituted diamine that is ethylenediamine in which the four amino hydrogens are replaced by 2-pyridylmethyl groups. | 2.41 | 2 | 0 | N-substituted diamine; pyridines; tertiary amino compound | apoptosis inducer; chelator; copper chelator |
trequinsin trequinsin: RN given refers to parent cpd; structure given in first source | 2 | 1 | 0 | pyridopyrimidine | |
urapidil [no description available] | 3.37 | 1 | 1 | piperazines | |
urethane [no description available] | 2.01 | 1 | 0 | carbamate ester | fungal metabolite; mutagen |
vigabatrin [no description available] | 2.02 | 1 | 0 | gamma-amino acid | anticonvulsant; EC 2.6.1.19 (4-aminobutyrate--2-oxoglutarate transaminase) inhibitor |
w 7 W 7: RN given refers to parent cpd; structure; calmodulin antagonist | 2.41 | 2 | 0 | ||
zardaverine zardaverine: structure given in first source. zardaverine : A pyridazinone derivative in which pyridazin-3(2H)-one is substituted at C-6 with a 4-(difluoromethoxy)-3-methoxyphenyl group. It is a phosphodiesterase inhibitor, selective for PDE3 and 4. | 1.98 | 1 | 0 | organofluorine compound; pyridazinone | anti-asthmatic drug; bronchodilator agent; EC 3.1.4.* (phosphoric diester hydrolase) inhibitor; peripheral nervous system drug |
zinc chloride zinc chloride: RN given refers to parent cpd. zinc dichloride : A compound of zinc and chloride ions in the ratio 1:2. It exists in four crystalline forms, in each of which the Zn(2+) ions are trigonal planar coordinated to four chloride ions. | 2.06 | 1 | 0 | inorganic chloride; zinc molecular entity | astringent; disinfectant; EC 5.3.3.5 (cholestenol Delta-isomerase) inhibitor; Lewis acid |
mitomycin Mitomycin: An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis.. mitomycin : A family of aziridine-containing natural products isolated from Streptomyces caespitosus or Streptomyces lavendulae. | 2.02 | 1 | 0 | mitomycin | alkylating agent; antineoplastic agent |
corticosterone [no description available] | 2.42 | 2 | 0 | 11beta-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; glucocorticoid; primary alpha-hydroxy ketone | human metabolite; mouse metabolite |
phentolamine Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.. phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension. | 4.29 | 4 | 1 | imidazoles; phenols; substituted aniline; tertiary amino compound | alpha-adrenergic antagonist; vasodilator agent |
thymidine [no description available] | 2.92 | 4 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite |
hydroxyproline Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group. | 2 | 1 | 0 | 4-hydroxyproline; L-alpha-amino acid zwitterion | human metabolite; mouse metabolite; plant metabolite |
carbachol Carbachol: A slowly hydrolyzed CHOLINERGIC AGONIST that acts at both MUSCARINIC RECEPTORS and NICOTINIC RECEPTORS. | 4.14 | 16 | 0 | ammonium salt; carbamate ester | cardiotonic drug; miotic; muscarinic agonist; nicotinic acetylcholine receptor agonist; non-narcotic analgesic |
penicillamine Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group. | 6.21 | 135 | 0 | non-proteinogenic alpha-amino acid; penicillamine | antirheumatic drug; chelator; copper chelator; drug allergen |
dehydroepiandrosterone Dehydroepiandrosterone: A major C19 steroid produced by the ADRENAL CORTEX. It is also produced in small quantities in the TESTIS and the OVARY. Dehydroepiandrosterone (DHEA) can be converted to TESTOSTERONE; ANDROSTENEDIONE; ESTRADIOL; and ESTRONE. Most of DHEA is sulfated (DEHYDROEPIANDROSTERONE SULFATE) before secretion.. dehydroepiandrosterone : An androstanoid that is androst-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. It is a naturally occurring steroid hormone produced by the adrenal glands. | 2 | 1 | 0 | 17-oxo steroid; 3beta-hydroxy-Delta(5)-steroid; androstanoid | androgen; human metabolite; mouse metabolite |
pilocarpine Pilocarpine: A slowly hydrolyzed muscarinic agonist with no nicotinic effects. Pilocarpine is used as a miotic and in the treatment of glaucoma.. (+)-pilocarpine : The (+)-enantiomer of pilocarpine. | 2.01 | 1 | 0 | pilocarpine | antiglaucoma drug |
carbon tetrachloride Carbon Tetrachloride: A solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. (Merck Index, 11th ed). tetrachloromethane : A chlorocarbon that is methane in which all the hydrogens have been replaced by chloro groups. | 2.05 | 1 | 0 | chlorocarbon; chloromethanes | hepatotoxic agent; refrigerant |
alanine Alanine: A non-essential amino acid that occurs in high levels in its free state in plasma. It is produced from pyruvate by transamination. It is involved in sugar and acid metabolism, increases IMMUNITY, and provides energy for muscle tissue, BRAIN, and the CENTRAL NERVOUS SYSTEM.. alanine : An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2. | 2 | 1 | 0 | alanine zwitterion; alanine; L-alpha-amino acid; proteinogenic amino acid; pyruvate family amino acid | EC 4.3.1.15 (diaminopropionate ammonia-lyase) inhibitor; fundamental metabolite |
serine Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group. | 2.93 | 4 | 0 | L-alpha-amino acid; proteinogenic amino acid; serine family amino acid; serine zwitterion; serine | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
4-nitroquinoline-1-oxide 4-nitroquinoline N-oxide : A quinoline N-oxide carrying a nitro substituent at position 4. | 2.02 | 1 | 0 | C-nitro compound; quinoline N-oxide | carcinogenic agent |
aspartic acid Aspartic Acid: One of the non-essential amino acids commonly occurring in the L-form. It is found in animals and plants, especially in sugar cane and sugar beets. It may be a neurotransmitter.. aspartic acid : An alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. L-aspartic acid : The L-enantiomer of aspartic acid. | 2.41 | 2 | 0 | aspartate family amino acid; aspartic acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; mouse metabolite; neurotransmitter |
glutamine Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.. L-glutamine : An optically active form of glutamine having L-configuration.. glutamine : An alpha-amino acid that consists of butyric acid bearing an amino substituent at position 2 and a carbamoyl substituent at position 4. | 2.25 | 1 | 0 | amino acid zwitterion; glutamine family amino acid; glutamine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
lysine Lysine: An essential amino acid. It is often added to animal feed.. lysine : A diamino acid that is caproic (hexanoic) acid bearing two amino substituents at positions 2 and 6.. L-lysine : An L-alpha-amino acid; the L-isomer of lysine. | 2.4 | 2 | 0 | aspartate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; lysine; organic molecular entity; proteinogenic amino acid | algal metabolite; anticonvulsant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
cyanides Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 1.97 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 3.78 | 11 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
carbostyril Quinolones: A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.. quinolin-2(1H)-one : A quinolone that is 1,2-dihydroquinoline substituted by an oxo group at position 2. | 2.68 | 3 | 0 | monohydroxyquinoline; quinolone | bacterial xenobiotic metabolite |
phenylephrine Phenylephrine: An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.. phenylephrine : A member of the class of the class of phenylethanolamines that is (1R)-2-(methylamino)-1-phenylethan-1-ol carrying an additional hydroxy substituent at position 3 on the phenyl ring. | 4.44 | 22 | 0 | phenols; phenylethanolamines; secondary amino compound | alpha-adrenergic agonist; cardiotonic drug; mydriatic agent; nasal decongestant; protective agent; sympathomimetic agent; vasoconstrictor agent |
n-nitrosomorpholine N-nitrosomorpholine : A nitrosamine that is morpholine in which the hydrogen attached to the nitrogen is replaced by a nitroso group. A carcinogen and mutagen, it is found in snuff tobacco. | 2.02 | 1 | 0 | nitrosamine | carcinogenic agent; mutagen |
levodopa Levodopa: The naturally occurring form of DIHYDROXYPHENYLALANINE and the immediate precursor of DOPAMINE. Unlike dopamine itself, it can be taken orally and crosses the blood-brain barrier. It is rapidly taken up by dopaminergic neurons and converted to DOPAMINE. It is used for the treatment of PARKINSONIAN DISORDERS and is usually given with agents that inhibit its conversion to dopamine outside of the central nervous system.. L-dopa : An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | 2.01 | 1 | 0 | amino acid zwitterion; dopa; L-tyrosine derivative; non-proteinogenic L-alpha-amino acid | allelochemical; antidyskinesia agent; antiparkinson drug; dopaminergic agent; hapten; human metabolite; mouse metabolite; neurotoxin; plant growth retardant; plant metabolite; prodrug |
edetic acid Edetic Acid: A chelating agent that sequesters a variety of polyvalent cations such as CALCIUM. It is used in pharmaceutical manufacturing and as a food additive. | 1.98 | 1 | 0 | ethylenediamine derivative; polyamino carboxylic acid; tetracarboxylic acid | anticoagulant; antidote; chelator; copper chelator; geroprotector |
tyrosine Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring. | 8.33 | 91 | 1 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; proteinogenic amino acid; tyrosine | EC 1.3.1.43 (arogenate dehydrogenase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 1.98 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
methylene blue Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties. | 4.9 | 36 | 0 | organic chloride salt | acid-base indicator; antidepressant; antimalarial; antimicrobial agent; antioxidant; cardioprotective agent; EC 1.4.3.4 (monoamine oxidase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 4.6.1.2 (guanylate cyclase) inhibitor; fluorochrome; histological dye; neuroprotective agent; physical tracer |
methacholine chloride Methacholine Chloride: A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116) | 2.01 | 1 | 0 | quaternary ammonium salt | |
uridine triphosphate Uridine Triphosphate: Uridine 5'-(tetrahydrogen triphosphate). A uracil nucleotide containing three phosphate groups esterified to the sugar moiety. | 2.68 | 3 | 0 | pyrimidine ribonucleoside 5'-triphosphate; uridine 5'-phosphate | Escherichia coli metabolite; mouse metabolite |
methionine Methionine: A sulfur-containing essential L-amino acid that is important in many body functions.. methionine : A sulfur-containing amino acid that is butyric acid bearing an amino substituent at position 2 and a methylthio substituent at position 4. | 2.41 | 2 | 0 | aspartate family amino acid; L-alpha-amino acid; methionine zwitterion; methionine; proteinogenic amino acid | antidote to paracetamol poisoning; human metabolite; micronutrient; mouse metabolite; nutraceutical |
phenylalanine Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.. L-phenylalanine : The L-enantiomer of phenylalanine.. phenylalanine : An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group. | 1.99 | 1 | 0 | amino acid zwitterion; erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid; phenylalanine; proteinogenic amino acid | algal metabolite; EC 3.1.3.1 (alkaline phosphatase) inhibitor; Escherichia coli metabolite; human xenobiotic metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
cycloheximide Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.. cycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus. | 2.69 | 3 | 0 | antibiotic fungicide; cyclic ketone; dicarboximide; piperidine antibiotic; piperidones; secondary alcohol | anticoronaviral agent; bacterial metabolite; ferroptosis inhibitor; neuroprotective agent; protein synthesis inhibitor |
egtazic acid Egtazic Acid: A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.. ethylene glycol bis(2-aminoethyl)tetraacetic acid : A diether that is ethylene glycol in which the hydrogens of the hydroxy groups have been replaced by 2-[bis(carboxymethyl)amino]ethyl group respectively. | 3.4 | 7 | 0 | diether; tertiary amino compound; tetracarboxylic acid | chelator |
mannitol [no description available] | 2.4 | 2 | 0 | mannitol | allergen; antiglaucoma drug; compatible osmolytes; Escherichia coli metabolite; food anticaking agent; food bulking agent; food humectant; food stabiliser; food thickening agent; hapten; metabolite; osmotic diuretic; sweetening agent |
dithionitrobenzoic acid Dithionitrobenzoic Acid: A standard reagent for the determination of reactive sulfhydryl groups by absorbance measurements. It is used primarily for the determination of sulfhydryl and disulfide groups in proteins. The color produced is due to the formation of a thio anion, 3-carboxyl-4-nitrothiophenolate.. dithionitrobenzoic acid : An organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. | 1.99 | 1 | 0 | nitrobenzoic acid; organic disulfide | indicator |
ornithine Ornithine: An amino acid produced in the urea cycle by the splitting off of urea from arginine.. ornithine : An alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. | 3.5 | 8 | 0 | non-proteinogenic L-alpha-amino acid; ornithine | algal metabolite; hepatoprotective agent; mouse metabolite |
dinitrofluorobenzene Dinitrofluorobenzene: Irritants and reagents for labeling terminal amino acid groups.. 1-fluoro-2,4-dinitrobenzene : The organofluorine compound that is benzene with a fluoro substituent at the 1-position and two nitro substituents in the 2- and 4-positions. | 1.99 | 1 | 0 | C-nitro compound; organofluorine compound | agrochemical; allergen; chromatographic reagent; EC 2.7.3.2 (creatine kinase) inhibitor; protein-sequencing agent; spectrophotometric reagent |
2-thiomalic acid [no description available] | 2 | 1 | 0 | C4-dicarboxylic acid | |
histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 2.4 | 2 | 0 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 1.99 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
n,n'-diphenyl-4-phenylenediamine N,N'-diphenyl-4-phenylenediamine: in veterinary medicine, has been used to prevent vitamin E deficiency in lambs; structure. N,N'-diphenyl-1,4-phenylenediamine : An N-substituted diamine that is 1,4-phenylenediamine in which one hydrogen from each amino group is replaced by a phenyl group. | 1.99 | 1 | 0 | N-substituted diamine; secondary amino compound | antioxidant |
arginine Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group. | 9.51 | 122 | 1 | arginine; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | biomarker; Escherichia coli metabolite; micronutrient; mouse metabolite; nutraceutical |
tert-butyl alcohol tert-Butyl Alcohol: An isomer of butanol that contains a tertiary butyl group that consists of three methyl groups, each separately attached to a central (tertiary) carbon.. tert-butanol : A tertiary alcohol alcohol that is isobutane substituted by a hydroxy group at position 2. | 1.99 | 1 | 0 | tertiary alcohol | human xenobiotic metabolite |
tert-butylhydroperoxide tert-Butylhydroperoxide: A direct-acting oxidative stress-inducing agent used to examine the effects of oxidant stress on Ca(2+)-dependent signal transduction in vascular endothelial cells. It is also used as a catalyst in polymerization reactions and to introduce peroxy groups into organic molecules.. tert-butyl hydroperoxide : An alkyl hydroperoxide in which the alkyl group is tert-butyl. It is widely used in a variety of oxidation processes. | 2.69 | 3 | 0 | alkyl hydroperoxide | antibacterial agent; oxidising agent |
rotenone Derris: A plant genus of the family FABACEAE. The root is a source of rotenoids (ROTENONE) and flavonoids. Some species of Pongamia have been reclassified to this genus and some to MILLETTIA. Some species of Deguelia have been reclassified to this genus.. rotenoid : Members of the class of tetrahydrochromenochromene that consists of a cis-fused tetrahydrochromeno[3,4-b]chromene skeleton and its substituted derivatives. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds. | 2.93 | 4 | 0 | organic heteropentacyclic compound; rotenones | antineoplastic agent; metabolite; mitochondrial NADH:ubiquinone reductase inhibitor; phytogenic insecticide; piscicide; toxin |
diquat Diquat: A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed). diquat : The organic cation formed formally by addition of an ethylene bridge between the nitrogen atoms of 2,2'-bipyridine. Most often available as the dibromide. | 2 | 1 | 0 | organic cation | defoliant; herbicide |
pyocyanine Pyocyanine: Antibiotic pigment produced by Pseudomonas aeruginosa.. pyocyanine : An iminium betaine that is 5-methylphenazin-5-ium which is substituted at position 1 by an oxidanidyl group. An antibiotic pigment produced by Pseudomonas aeruginosa. | 1.98 | 1 | 0 | iminium betaine; phenazines | antibacterial agent; bacterial metabolite; biological pigment; virulence factor |
isosorbide dinitrate Isosorbide Dinitrate: A vasodilator used in the treatment of ANGINA PECTORIS. Its actions are similar to NITROGLYCERIN but with a slower onset of action. | 8.46 | 22 | 6 | glucitol derivative; nitrate ester | nitric oxide donor; vasodilator agent |
quinoxalines quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 4.96 | 37 | 0 | mancude organic heterobicyclic parent; naphthyridine; ortho-fused heteroarene | |
xanthenes Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.4 | 2 | 0 | xanthene | |
4-bromophenacyl bromide 4-bromophenacyl bromide: phospholipidase A(2) inhibitor; structure | 2 | 1 | 0 | ||
quinuclidines Quinuclidines: A class of organic compounds which contain two rings that share a pair of bridgehead carbon atoms and contains an amine group. | 2.01 | 1 | 0 | quinuclidines; saturated organic heterobicyclic parent | |
acrolein [no description available] | 2 | 1 | 0 | enal | herbicide; human xenobiotic metabolite; toxin |
diethylamine [no description available] | 2.91 | 4 | 0 | secondary aliphatic amine | |
pyrroles 1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen. | 3.7 | 10 | 0 | pyrrole; secondary amine | |
tetrahydrofuran oxolane : A cyclic ether that is butane in which one hydrogen from each methyl group is substituted by an oxygen. | 2.42 | 2 | 0 | cyclic ether; oxolanes; saturated organic heteromonocyclic parent; volatile organic compound | polar aprotic solvent |
thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 2.72 | 3 | 0 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
isoamyl nitrite isoamyl nitrite : A nitrite ester having isopentyl as the alkyl group. | 1.97 | 1 | 0 | nitrite esters | antihypertensive agent; vasodilator agent |
morpholine [no description available] | 2 | 1 | 0 | morpholines; saturated organic heteromonocyclic parent | NMR chemical shift reference compound |
diethylenetriamine diethylenetriamine: RN given refers to parent cpd | 1.98 | 1 | 0 | polyazaalkane; triamine | |
pyrazolanthrone pyrazolanthrone: JNK (c-Jun N-terminal kinase) inhibitor; structure in first source. anthra[1,9-cd]pyrazol-6(2H)-one : A member of the class of anthrapyrazoles that is anthra[1,9-cd]pyrazole substituted at position 6 by an oxo group. An inhibitor of c-Jun N-terminal kinase. | 2.02 | 1 | 0 | anthrapyrazole; aromatic ketone; cyclic ketone | antineoplastic agent; c-Jun N-terminal kinase inhibitor; geroprotector |
iodoantipyrine [no description available] | 1.99 | 1 | 0 | ||
sodium cyanide Sodium Cyanide: A highly poisonous compound that is an inhibitor of many metabolic processes and is used as a test reagent for the function of chemoreceptors. It is also used in many industrial processes.. sodium cyanide : A cyanide salt containing equal numbers of sodium cations and cyanide anions. | 2 | 1 | 0 | cyanide salt; one-carbon compound; sodium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor |
ditiocarb Ditiocarb: A chelating agent that has been used to mobilize toxic metals from the tissues of humans and experimental animals. It is the main metabolite of DISULFIRAM.. diethyldithiocarbamic acid : A member of the class of dithiocarbamic acids that is diethylcarbamic acid in which both of the oxygens are replaced by sulfur. | 2.69 | 3 | 0 | dithiocarbamic acids | chelator; copper chelator |
potassium cyanide [no description available] | 2.4 | 2 | 0 | cyanide salt; one-carbon compound; potassium salt | EC 1.15.1.1 (superoxide dismutase) inhibitor; EC 1.9.3.1 (cytochrome c oxidase) inhibitor; neurotoxin |
catechin Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms.. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives.. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin. (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. | 3.72 | 10 | 0 | catechin | antioxidant; plant metabolite |
homoarginine L-homoarginine : An L-lysine derivative that is the L-enantiomer of homoarginine. | 1.99 | 1 | 0 | homoarginine; L-lysine derivative; non-proteinogenic L-alpha-amino acid | biomarker; EC 3.1.3.1 (alkaline phosphatase) inhibitor; human metabolite; rat metabolite; xenobiotic metabolite |
quinazolines Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 2.92 | 4 | 0 | azaarene; mancude organic heterobicyclic parent; ortho-fused heteroarene; quinazolines | |
acridines Acridines: Compounds that include the structure of acridine.. acridine : A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom. | 2 | 1 | 0 | acridines; mancude organic heterotricyclic parent; polycyclic heteroarene | genotoxin |
indazoles Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES. | 3.38 | 7 | 0 | indazole | |
thiazoles [no description available] | 3.11 | 5 | 0 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
hydrazine diamine : Any polyamine that contains two amino groups. | 4.64 | 27 | 0 | azane; hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
hemicholinium 3 Hemicholinium 3: A potent inhibitor of the high affinity uptake system for CHOLINE. It has less effect on the low affinity uptake system. Since choline is one of the components of ACETYLCHOLINE, treatment with hemicholinium can deplete acetylcholine from cholinergic terminals. Hemicholinium 3 is commonly used as a research tool in animal and in vitro experiments. | 2.46 | 2 | 0 | ||
evans blue Evans Blue: An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly.. Evans blue : An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence. | 2 | 1 | 0 | organic sodium salt | fluorochrome; histological dye; sodium channel blocker; teratogenic agent |
citrulline citrulline : The parent compound of the citrulline class consisting of ornithine having a carbamoyl group at the N(5)-position. | 3.5 | 8 | 0 | amino acid zwitterion; citrulline | Daphnia magna metabolite; EC 1.14.13.39 (nitric oxide synthase) inhibitor; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; protective agent; Saccharomyces cerevisiae metabolite |
lithocholic acid Lithocholic Acid: A bile acid formed from chenodeoxycholate by bacterial action, usually conjugated with glycine or taurine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as cholagogue and choleretic.. lithocholic acid : A monohydroxy-5beta-cholanic acid with a alpha-hydroxy substituent at position 3. It is a bile acid obtained from chenodeoxycholic acid by bacterial action.. lithocholate : A bile acid anion that is the conjugate base of lithocholic acid. | 2.02 | 1 | 0 | bile acid; C24-steroid; monohydroxy-5beta-cholanic acid | geroprotector; human metabolite; mouse metabolite |
n-pentyl nitrite Amyl Nitrite: A vasodilator that is administered by inhalation. It is also used recreationally due to its supposed ability to induce euphoria and act as an aphrodisiac.. n-pentyl nitrite : A nitrite ester having n-pentyl as the alkyl group. | 1.97 | 1 | 0 | nitrite esters | vasodilator agent |
plumbagin plumbagin: a superoxide anion generator. plumbagin : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 2 and 5 are substituted by methyl and hydroxy groups, respectively. | 2 | 1 | 0 | hydroxy-1,4-naphthoquinone; phenols | anticoagulant; antineoplastic agent; immunological adjuvant; metabolite |
bicuculline Bicuculline: An isoquinoline alkaloid obtained from Dicentra cucullaria and other plants. It is a competitive antagonist for GABA-A receptors.. bicuculline : A benzylisoquinoline alkaloid that is 6-methyl-5,6,7,8-tetrahydro[1,3]dioxolo[4,5-g]isoquinoline which is substituted at the 5-pro-S position by a (6R)-8-oxo-6,8-dihydrofuro[3,4-e][1,3]benzodioxol-6-yl group. A light-sensitive competitive antagonist of GABAA receptors. It was originally identified in 1932 in plant alkaloid extracts and has been isolated from Dicentra cucullaria, Adlumia fungosa, Fumariaceae, and several Corydalis species. | 2.02 | 1 | 0 | benzylisoquinoline alkaloid; isoquinoline alkaloid; isoquinolines | agrochemical; central nervous system stimulant; GABA-gated chloride channel antagonist; GABAA receptor antagonist; neurotoxin |
lumazine lumazine: structure. 2,4-dihydroxypteridine : Any dihydroxypteridine in which the two hydroxy substituents are located at positions 2 and 4.. lumazine : A 2,4-dihydroxypteridine. | 2 | 1 | 0 | 2,4-dihydroxypteridine | |
kainic acid Kainic Acid: (2S-(2 alpha,3 beta,4 beta))-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid. Ascaricide obtained from the red alga Digenea simplex. It is a potent excitatory amino acid agonist at some types of excitatory amino acid receptors and has been used to discriminate among receptor types. Like many excitatory amino acid agonists it can cause neurotoxicity and has been used experimentally for that purpose. | 3.25 | 6 | 0 | dicarboxylic acid; L-proline derivative; non-proteinogenic L-alpha-amino acid; pyrrolidinecarboxylic acid | antinematodal drug; excitatory amino acid agonist |
tetranitromethane [no description available] | 2.4 | 2 | 0 | organonitrogen compound | |
hesperidin Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 2.42 | 2 | 0 | 3'-hydroxyflavanones; 4'-methoxyflavanones; dihydroxyflavanone; disaccharide derivative; flavanone glycoside; monomethoxyflavanone; rutinoside | mutagen |
luminol Luminol: 5-Amino-2,3-dihydro-1,4-phthalazinedione. Substance that emits light on oxidation. It is used in chemical determinations. | 3.51 | 8 | 0 | ||
gluconic acid gluconic acid: zinc gluconate has anti-inflammatory activity; RN given refers to (D)-isomer; all RRs refers to (D)-isomer unless otherwise noted. ketogluconic acid : A gluconic acid that contains a ketonic carbonyl group.. D-gluconic acid : A gluconic acid having D-configuration. | 2 | 1 | 0 | gluconic acid | chelator; Penicillium metabolite |
copper gluconate Gluconates: Derivatives of gluconic acid (the structural formula HOCH2(CHOH)4COOH), including its salts and esters. | 2 | 1 | 0 | organic molecular entity | |
malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 4.79 | 7 | 1 | dialdehyde | biomarker |
gentian violet Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties.. crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. | 2.01 | 1 | 0 | organic chloride salt | anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; histological dye |
resazurin resazurin: used as indicator in detection of hyposulfite (sulfoxylate); in food research (reductase test); structure | 2 | 1 | 0 | phenoxazine | |
paeonol paeonol: structure | 2.15 | 1 | 0 | methoxybenzenes; phenols | metabolite |
3-hydroxyflavone 3-hydroxyflavone: structure given in first source. flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | 2.45 | 2 | 0 | flavonols; monohydroxyflavone | |
n-methylhydroxylamine [no description available] | 1.98 | 1 | 0 | ||
acetylcysteine N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine. | 3.39 | 7 | 0 | acetylcysteine; L-cysteine derivative; N-acetyl-L-amino acid | antidote to paracetamol poisoning; antiinfective agent; antioxidant; antiviral drug; ferroptosis inhibitor; geroprotector; human metabolite; mucolytic; radical scavenger; vulnerary |
ethyl pyruvate [no description available] | 2.05 | 1 | 0 | oxo carboxylic acid | |
diphenyliodonium diphenyliodonium: RN given refers to the parent coumpound; inhibitor of neutrophil superoxide generating oxidase; structure has been determined | 2.39 | 2 | 0 | ||
trimethylolpropane phosphite [no description available] | 1.99 | 1 | 0 | ||
n-nitrosopyrrolidine N-Nitrosopyrrolidine: Carcinogenic nitrosamine that may be formed from preservatives in meats during their preparation or in the liver during metabolism. | 1.98 | 1 | 0 | pyrrolidines | |
sodium hydroxide Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed) | 2.07 | 1 | 0 | alkali metal hydroxide | |
glycyrrhizic acid glycyrrhizinic acid : A triterpenoid saponin that is the glucosiduronide derivative of 3beta-hydroxy-11-oxoolean-12-en-30-oic acid. | 2.03 | 1 | 0 | enone; glucosiduronic acid; pentacyclic triterpenoid; tricarboxylic acid; triterpenoid saponin | EC 3.4.21.5 (thrombin) inhibitor; plant metabolite |
d-alpha tocopherol Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. | 5.46 | 15 | 1 | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
tocopherols [no description available] | 2.01 | 1 | 0 | ||
selenomethionine [no description available] | 2.01 | 1 | 0 | selenoamino acid; selenomethionines | plant metabolite |
diphenyldiselenide diphenyldiselenide: structure given in first source | 2.11 | 1 | 0 | ||
paraquat Paraquat: A poisonous dipyridilium compound used as contact herbicide. Contact with concentrated solutions causes irritation of the skin, cracking and shedding of the nails, and delayed healing of cuts and wounds.. paraquat : An organic cation that consists of 4,4'-bipyridine bearing two N-methyl substituents loctated at the 1- and 1'-positions. | 2.41 | 2 | 0 | organic cation | geroprotector; herbicide |
2-tert-butylhydroquinone 2-tert-butylhydroquinone: an anticarcinogenic and chemopreventive agent. 2-tert-butylhydroquinone : A member of the class of hydroquinones in which one of the ring hydrogens of hydroquinone is replaced by a tert-butyl group. | 2.42 | 2 | 0 | hydroquinones | food antioxidant |
dronabinol Dronabinol: A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer delta-9-tetrahydrocannabinol (THC) is considered the most active form, producing characteristic mood and perceptual changes associated with this compound.. Delta(9)-tetrahydrocannabinol : A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. The principal psychoactive constituent of the cannabis plant, it is used for treatment of anorexia associated with AIDS as well as nausea and vomiting associated with cancer chemotherapy. | 2.03 | 1 | 0 | benzochromene; diterpenoid; phytocannabinoid; polyketide | cannabinoid receptor agonist; epitope; hallucinogen; metabolite; non-narcotic analgesic |
amiloride Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705). amiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid. | 3.1 | 5 | 0 | aromatic amine; guanidines; organochlorine compound; pyrazines | diuretic; sodium channel blocker |
thioflavin t thioflavin T: RN given refers to chloride; structure. thioflavine T : An organic chloride salt having 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium as the counterion. It is widely used to visualise and quantify the presence of amyloids, both in vitro and in vivo. | 2.03 | 1 | 0 | organic chloride salt | fluorochrome; geroprotector; histological dye |
mannose mannopyranose : The pyranose form of mannose. | 1.99 | 1 | 0 | D-aldohexose; D-mannose; mannopyranose | metabolite |
dithiothreitol 1,4-dimercaptobutane-2,3-diol : A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.. 1,4-dithiothreitol : The threo-diastereomer of 1,4-dimercaptobutane-2,3-diol. | 4.6 | 26 | 0 | 1,4-dimercaptobutane-2,3-diol; butanediols; dithiol; glycol; thiol | chelator; human metabolite; reducing agent |
buthionine sulfoximine Buthionine Sulfoximine: A synthetic amino acid that depletes glutathione by irreversibly inhibiting gamma-glutamylcysteine synthetase. Inhibition of this enzyme is a critical step in glutathione biosynthesis. It has been shown to inhibit the proliferative response in human T-lymphocytes and inhibit macrophage activation. (J Biol Chem 1995;270(33):1945-7). 2-amino-4-(S-butylsulfonimidoyl)butanoic acid : A non-proteinogenic alpha-amino acid that is homocysteine in which the thiol group carries an oxo, imino and butyl groups.. S-butyl-DL-homocysteine (S,R)-sulfoximine : A sulfoximide that is the sulfoximine derivative of an analogue of DL-methionine in which the S-methyl group is replaced by S-butyl. | 2.93 | 4 | 0 | diastereoisomeric mixture; homocysteines; non-proteinogenic alpha-amino acid; sulfoximide | EC 6.3.2.2 (glutamate--cysteine ligase) inhibitor; ferroptosis inducer |
4-aminobenzhydrazide 4-aminobenzhydrazide: a Russian synthetic drug of acylhydrazide group; decreased uterus wt in rats; RN given refers to cpd with specified locants for amino group | 2 | 1 | 0 | ||
n-methylaspartate N-Methylaspartate: An amino acid that, as the D-isomer, is the defining agonist for the NMDA receptor subtype of glutamate receptors (RECEPTORS, NMDA).. N-methyl-D-aspartic acid : An aspartic acid derivative having an N-methyl substituent and D-configuration. | 4.48 | 23 | 0 | amino dicarboxylic acid; D-alpha-amino acid; D-aspartic acid derivative; secondary amino compound | neurotransmitter agent |
hepes [no description available] | 2.4 | 2 | 0 | HEPES; organosulfonic acid | |
manganese Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4. | 2.01 | 1 | 0 | elemental manganese; manganese group element atom | Escherichia coli metabolite; micronutrient |
molybdenum Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase. | 1.99 | 1 | 0 | chromium group element atom | micronutrient |
titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 2.42 | 2 | 0 | titanium group element atom | |
cadmium Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common. | 2.41 | 2 | 0 | cadmium molecular entity; zinc group element atom | |
chromium Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24. | 2.03 | 1 | 0 | chromium group element atom; metal allergen | micronutrient |
gadolinium Gadolinium: An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors. | 2.04 | 1 | 0 | f-block element atom; lanthanoid atom | |
zalcitabine Zalcitabine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by a hydrogen. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication at low concentrations, acting as a chain-terminator of viral DNA by binding to reverse transcriptase. Its principal toxic side effect is axonal degeneration resulting in peripheral neuropathy.. zalcitabine : A pyrimidine 2',3'-dideoxyribonucleoside compound having cytosine as the nucleobase. | 2 | 1 | 0 | pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
mercuric chloride Mercuric Chloride: Mercury chloride (HgCl2). A highly toxic compound that volatizes slightly at ordinary temperature and appreciably at 100 degrees C. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant.. mercury dichloride : A mercury coordination entity made up of linear triatomic molecules in which a mercury atom is bonded to two chlorines. Water-soluble, it is highly toxic. Once used in a wide variety of applications, including preserving wood and anatomical specimens, embalming and disinfecting, as an intensifier in photography, as a mordant for rabbit and beaver furs, and freeing gold from lead, its use has markedly declined as less toxic alternatives have been developed. | 1.99 | 1 | 0 | mercury coordination entity | sensitiser |
sodium nitrate sodium nitrate : The inorganic nitrate salt of sodium. | 2.4 | 2 | 0 | inorganic nitrate salt; inorganic sodium salt | fertilizer; NMR chemical shift reference compound |
hypochlorous acid Hypochlorous Acid: An oxyacid of chlorine (HClO) containing monovalent chlorine that acts as an oxidizing or reducing agent.. hypochlorous acid : A chlorine oxoacid with formula HOCl; a weak, unstable acid, it is the active form of chlorine in water. | 3.1 | 5 | 0 | chlorine oxoacid; reactive oxygen species | EC 2.5.1.18 (glutathione transferase) inhibitor; EC 3.1.1.7 (acetylcholinesterase) inhibitor; human metabolite |
ferric chloride ferric chloride: RN given refers to cpd with MF of Fe-Cl3; used to induce experimental arterial thrombosis to evaluate antithrombotic agents | 2.41 | 2 | 0 | iron coordination entity | astringent; Lewis acid |
ferrous sulfate ferrous sulfate: Ferro-Gradumet is ferrous sulfate in controlled release form; RN given refers to Fe(+2)[1:1] salt. iron(2+) sulfate (anhydrous) : A compound of iron and sulfate in which the ratio of iron(2+) to sulfate ions is 1:1. Various hydrates occur naturally - most commonly the heptahydrate, which loses water to form the tetrahydrate at 57degreeC and the monohydrate at 65degreeC. | 1.99 | 1 | 0 | iron molecular entity; metal sulfate | reducing agent |
ferrous chloride ferrous chloride: induces convulsions; RN given refers to parent cpd | 2.03 | 1 | 0 | iron coordination entity | |
copper sulfate Copper Sulfate: A sulfate salt of copper. It is a potent emetic and is used as an antidote for poisoning by phosphorus. It also can be used to prevent the growth of algae.. copper(II) sulfate : A metal sulfate compound having copper(2+) as the metal ion. | 2.43 | 2 | 0 | metal sulfate | emetic; fertilizer; sensitiser |
deuterium Deuterium: The stable isotope of hydrogen. It has one neutron and one proton in the nucleus. | 2.02 | 1 | 0 | dihydrogen | |
fluorine Fluorine: A nonmetallic, diatomic gas that is a trace element and member of the halogen family. It is used in dentistry as fluoride (FLUORIDES) to prevent dental caries. | 2.05 | 1 | 0 | diatomic fluorine; gas molecular entity | NMR chemical shift reference compound |
nitrous acid Nitrous Acid: Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed) | 2.69 | 3 | 0 | nitrogen oxoacid | |
galactose aldohexose : A hexose with a (potential) aldehyde group at one end. | 1.99 | 1 | 0 | ||
ferric sulfate ferric sulfate: RN given refers to Fe(+3)[3:2] salt). iron(3+) sulfate : A compound of iron and sulfate in which the ratio of iron(3+) to sulfate ions is 3:2. | 2.41 | 2 | 0 | iron molecular entity; metal sulfate | astringent; catalyst; mordant |
sodium selenite disodium selenite : An inorganic sodium salt composed of sodium and selenite ions in a 2:1 ratio. | 2.7 | 3 | 0 | inorganic sodium salt; selenite salt | nutraceutical |
tellurous acid tellurous acid: tellurite anion inhibits oxidation of NAD-linked substrates in kidney & liver mitochondria; RN given refers to parent cpd | 2.02 | 1 | 0 | tellurium oxoacid | |
cadmium chloride Cadmium Chloride: A cadmium halide in the form of colorless crystals, soluble in water, methanol, and ethanol. It is used in photography, in dyeing, and calico printing, and as a solution to precipitate sulfides. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). cadmium dichloride : A cadmium coordination entity in which cadmium(2+) and Cl(-) ions are present in the ratio 2:1. Although considered to be ionic, it has considerable covalent character to its bonding. | 2 | 1 | 0 | cadmium coordination entity | |
barium chloride barium chloride: RN given refers to parent cpd. barium chloride : The inorganic dichloride salt of barium. | 2.4 | 2 | 0 | barium salt; inorganic chloride | potassium channel blocker |
ammonium chloride Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.. ammonium chloride : An inorganic chloride having ammonium as the counterion. | 2.02 | 1 | 0 | ammonium salt; inorganic chloride | ferroptosis inhibitor |
titanium dioxide titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications. | 2.42 | 2 | 0 | titanium oxides | food colouring |
selegiline Selegiline: A selective, irreversible inhibitor of Type B monoamine oxidase that is used for the treatment of newly diagnosed patients with PARKINSON DISEASE, and for the treatment of depressive disorders. The compound without isomeric designation is Deprenyl. | 3.1 | 5 | 0 | selegiline; terminal acetylenic compound | geroprotector |
isosorbide-5-mononitrate isosorbide-5-mononitrate: for prevention of angina pectoris; structure given in first source; a Russian drug | 3.99 | 4 | 0 | glucitol derivative; nitrate ester | nitric oxide donor; vasodilator agent |
tetradecanoylphorbol acetate Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 3.62 | 9 | 0 | acetate ester; diester; phorbol ester; tertiary alpha-hydroxy ketone; tetradecanoate ester | antineoplastic agent; apoptosis inducer; carcinogenic agent; mitogen; plant metabolite; protein kinase C agonist; reactive oxygen species generator |
sodium bisulfide sodium bisulfide: RN given refers to sodium sulfide (Na(SH)); see also record for sodium sulfide (Na2S) | 2.11 | 1 | 0 | ||
fluorides [no description available] | 1.99 | 1 | 0 | halide anion; monoatomic fluorine | |
3,5-diisopropylsalicylic acid 3,5-diisopropylsalicylic acid: structure given in first source; RN given refers to parent cpd | 2.01 | 1 | 0 | ||
phosphotyrosine Phosphotyrosine: An amino acid that occurs in endogenous proteins. Tyrosine phosphorylation and dephosphorylation plays a role in cellular signal transduction and possibly in cell growth control and carcinogenesis.. O(4)-phospho-L-tyrosine : A non-proteinogenic L-alpha-amino acid that is L-tyrosine phosphorylated at the phenolic hydroxy group. | 2 | 1 | 0 | L-tyrosine derivative; non-proteinogenic L-alpha-amino acid; O(4)-phosphotyrosine | Escherichia coli metabolite; immunogen |
phenyl acetate phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid. | 2.39 | 2 | 0 | benzenes; phenyl acetates | |
fludrocortisone Fludrocortisone: A synthetic mineralocorticoid with anti-inflammatory activity. | 2 | 1 | 0 | 11beta-hydroxy steroid; 17alpha-hydroxy steroid; 20-oxo steroid; 21-hydroxy steroid; 3-oxo-Delta(4) steroid; C21-steroid; fluorinated steroid; mineralocorticoid | adrenergic agent; anti-inflammatory drug |
ursodeoxycholic acid Ursodeoxycholic Acid: An epimer of chenodeoxycholic acid. It is a mammalian bile acid found first in the bear and is apparently either a precursor or a product of chenodeoxycholate. Its administration changes the composition of bile and may dissolve gallstones. It is used as a cholagogue and choleretic.. ursodeoxycholic acid : A bile acid found in the bile of bears (Ursidae) as a conjugate with taurine. Used therapeutically, it prevents the synthesis and absorption of cholesterol and can lead to the dissolution of gallstones.. ursodeoxycholate : A bile acid anion that is the conjugate base of ursodeoxycholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. | 1.99 | 1 | 0 | bile acid; C24-steroid; dihydroxy-5beta-cholanic acid | human metabolite; mouse metabolite |
8-bromo cyclic adenosine monophosphate 8-Bromo Cyclic Adenosine Monophosphate: A long-acting derivative of cyclic AMP. It is an activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase.. 8-Br-cAMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP bearing an additional bromo substituent at position 8 on the adenine ring. An activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase. | 3.38 | 7 | 0 | 3',5'-cyclic purine nucleotide; adenyl ribonucleotide; organobromine compound | antidepressant; protein kinase agonist |
transferrin Transferrin: An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. | 2.39 | 2 | 0 | ||
glutamic acid Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM.. glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. | 4.49 | 23 | 0 | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
adenylyl imidodiphosphate Adenylyl Imidodiphosphate: 5'-Adenylic acid, monoanhydride with imidodiphosphoric acid. An analog of ATP, in which the oxygen atom bridging the beta to the gamma phosphate is replaced by a nitrogen atom. It is a potent competitive inhibitor of soluble and membrane-bound mitochondrial ATPase and also inhibits ATP-dependent reactions of oxidative phosphorylation. | 2.01 | 1 | 0 | adenosine 5'-phosphate | |
sodium azide Sodium Azide: A cytochrome oxidase inhibitor which is a nitridizing agent and an inhibitor of terminal oxidation. (From Merck Index, 12th ed). sodium azide : The sodium salt of hydrogen azide (hydrazoic acid). | 1.99 | 1 | 0 | inorganic sodium salt | antibacterial agent; explosive; mitochondrial respiratory-chain inhibitor; mutagen |
azides Azides: Organic or inorganic compounds that contain the -N3 group.. azide : Any nitrogen molecular entity containing the group -N3. | 1.99 | 1 | 0 | pseudohalide anion | mitochondrial respiratory-chain inhibitor |
adenosine diphosphate ribose Adenosine Diphosphate Ribose: An ester formed between the aldehydic carbon of RIBOSE and the terminal phosphate of ADENOSINE DIPHOSPHATE. It is produced by the hydrolysis of nicotinamide-adenine dinucleotide (NAD) by a variety of enzymes, some of which transfer an ADP-ribosyl group to target proteins. | 2.9 | 4 | 0 | ADP-sugar | Escherichia coli metabolite; mouse metabolite |
ferrozine Ferrozine: A ferroin compound that forms a stable magenta-colored solution with the ferrous ion. The complex has an absorption peak at 562 nm and is used as a reagent and indicator for iron. | 2.42 | 2 | 0 | ||
zidovudine Zidovudine: A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by an azido group. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA during reverse transcription. It improves immunologic function, partially reverses the HIV-induced neurological dysfunction, and improves certain other clinical abnormalities associated with AIDS. Its principal toxic effect is dose-dependent suppression of bone marrow, resulting in anemia and leukopenia.. zidovudine : A pyrimidine 2',3'-dideoxyribonucleoside compound having a 3'-azido substituent and thymine as the nucleobase. | 2.02 | 1 | 0 | azide; pyrimidine 2',3'-dideoxyribonucleoside | antimetabolite; antiviral drug; HIV-1 reverse transcriptase inhibitor |
paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 2 | 1 | 0 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
substance p [no description available] | 3.38 | 7 | 0 | peptide | neurokinin-1 receptor agonist; neurotransmitter; vasodilator agent |
dobutamine Dobutamine: A catecholamine derivative with specificity for BETA-1 ADRENERGIC RECEPTORS. It is commonly used as a cardiotonic agent after CARDIAC SURGERY and during DOBUTAMINE STRESS ECHOCARDIOGRAPHY.. dobutamine : A catecholamine that is 4-(3-aminobutyl)phenol in which one of the hydrogens attached to the nitrogen is substituted by a 2-(3,4-dihydroxyphenyl)ethyl group. A beta1-adrenergic receptor agonist that has cardiac stimulant action without evoking vasoconstriction or tachycardia, it is used as the hydrochloride to increase the contractility of the heart in the management of acute heart failure. | 2.01 | 1 | 0 | catecholamine; secondary amine | beta-adrenergic agonist; cardiotonic drug; sympathomimetic agent |
diltiazem Diltiazem: A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions.. diltiazem : A 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate in which both stereocentres have S configuration. A calcium-channel blocker and vasodilator, it is used as the hydrochloride in the management of angina pectoris and hypertension. | 10.2 | 4 | 3 | 5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate | antihypertensive agent; calcium channel blocker; vasodilator agent |
1-methyl-4-phenylpyridinium 1-Methyl-4-phenylpyridinium: An active neurotoxic metabolite of 1-METHYL-4-PHENYL-1,2,3,6-TETRAHYDROPYRIDINE. The compound reduces dopamine levels, inhibits the biosynthesis of catecholamines, depletes cardiac norepinephrine and inactivates tyrosine hydroxylase. These and other toxic effects lead to cessation of oxidative phosphorylation, ATP depletion, and cell death. The compound, which is related to PARAQUAT, has also been used as an herbicide.. N-methyl-4-phenylpyridinium : A pyridinium ion that is N-methylpyridinium having a phenyl substituent at the 4-position. | 2.7 | 3 | 0 | pyridinium ion | apoptosis inducer; herbicide; human xenobiotic metabolite; neurotoxin |
ng-nitroarginine methyl ester NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension. | 8.55 | 111 | 0 | alpha-amino acid ester; L-arginine derivative; methyl ester; N-nitro compound | EC 1.14.13.39 (nitric oxide synthase) inhibitor |
quisqualic acid Quisqualic Acid: An agonist at two subsets of excitatory amino acid receptors, ionotropic receptors that directly control membrane channels and metabotropic receptors that indirectly mediate calcium mobilization from intracellular stores. The compound is obtained from the seeds and fruit of Quisqualis chinensis. | 2.01 | 1 | 0 | non-proteinogenic alpha-amino acid | |
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid [no description available] | 3.5 | 8 | 0 | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor |
7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide: 7,8,8a,9a-Tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. | 2.02 | 1 | 0 | epoxide | intercalator |
enkephalin, methionine Enkephalin, Methionine: One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN. | 1.99 | 1 | 0 | ||
captopril Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug. | 2 | 1 | 0 | alkanethiol; L-proline derivative; N-acylpyrrolidine; pyrrolidinemonocarboxylic acid | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
salsoline salsoline: monomethylated metabolite of salsolinol; endogenous neurotoxin found in CSF of patients with Parkinson's disease | 2 | 1 | 0 | isoquinolines | |
nicorandil Nicorandil: A derivative of the NIACINAMIDE that is structurally combined with an organic nitrate. It is a potassium-channel opener that causes vasodilatation of arterioles and large coronary arteries. Its nitrate-like properties produce venous vasodilation through stimulation of guanylate cyclase.. nicorandil : A pyrimidinecarboxamide that is nicotinamide in which one of the hydrogens attached to the carboxamide nitrogen is replaced by a 2-(nitrooxy)ethyl group. It has both nitrate-like and ATP-sensitive potassium channel activator properties, and is used for the prevention and treatment of angina pectoris. | 3.59 | 9 | 0 | nitrate ester; pyridinecarboxamide | potassium channel opener; vasodilator agent |
colforsin Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 4.13 | 16 | 0 | acetate ester; cyclic ketone; labdane diterpenoid; organic heterotricyclic compound; tertiary alpha-hydroxy ketone; triol | adenylate cyclase agonist; anti-HIV agent; antihypertensive agent; plant metabolite; platelet aggregation inhibitor; protein kinase A agonist |
mifepristone Mifepristone: A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME. | 2 | 1 | 0 | 3-oxo-Delta(4) steroid; acetylenic compound; tertiary amino compound | abortifacient; contraceptive drug; hormone antagonist; synthetic oral contraceptive |
fura-2 Fura-2: A fluorescent calcium chelating agent which is used to study intracellular calcium in tissues. | 2.01 | 1 | 0 | ||
adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 3.95 | 13 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
potassium superoxide [no description available] | 2.42 | 2 | 0 | ||
vanadates Vanadates: Oxyvanadium ions in various states of oxidation. They act primarily as ion transport inhibitors due to their inhibition of Na(+)-, K(+)-, and Ca(+)-ATPase transport systems. They also have insulin-like action, positive inotropic action on cardiac ventricular muscle, and other metabolic effects.. vanadate(3-) : A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. | 2.41 | 2 | 0 | trivalent inorganic anion; vanadium oxoanion | EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor |
acridine orange Acridine Orange: A cationic cytochemical stain specific for cell nuclei, especially DNA. It is used as a supravital stain and in fluorescence cytochemistry. It may cause mutations in microorganisms.. acridine orange : Fluorescent dye useful for cell cycle determination. It is cell-permeable, and interacts with DNA and RNA by intercalation or electrostatic attractions respectively.. acridine orange free base : A member of the class of aminoacridines that is acridine carrying two dimethylamino substituents at positions 3 and 6. The hydrochloride salt is the fluorescent dye 'acridine orange', used for cell cycle determination. | 1.99 | 1 | 0 | aminoacridines; aromatic amine; tertiary amino compound | fluorochrome; histological dye |
sodium persulfate sodium persulfate: RN given refers to peroxydisulfuric acid, di-Na salt | 2.17 | 1 | 0 | ||
glucose, (beta-d)-isomer beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 2.41 | 2 | 0 | D-glucopyranose | epitope; mouse metabolite |
thiazolyl blue thiazolyl blue: RN & II refers to bromide. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide : The bromide salt of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium. | 2.71 | 3 | 0 | organic bromide salt | colorimetric reagent; dye |
diacetylfluorescein [no description available] | 2 | 1 | 0 | ||
epigallocatechin gallate epigallocatechin gallate: a steroid 5alpha-reductase inhibitor and antimutagen in green tea (Camellia sinensis). (-)-epigallocatechin 3-gallate : A gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. | 2.71 | 3 | 0 | flavans; gallate ester; polyphenol | antineoplastic agent; antioxidant; apoptosis inducer; geroprotector; Hsp90 inhibitor; neuroprotective agent; plant metabolite |
4-(2-pyridylazo)resorcinol 4-(2-pyridylazo)resorcinol: RN given refers to parent cpd | 2.01 | 1 | 0 | ||
10,10'-dimethyl-9,9'-biacridinium 10,10'-dimethyl-9,9'-biacridinium: chemoluminescent probe; RN given refers to dinitrate; Lucigenin refers to dinitrate | 2 | 1 | 0 | ||
neocuproine neocuproine: Spectrophotometric determination of copper and ultramicro blood sugar determinations; structure; RN given refers to parent cpd. neocuproine : A member of the class of phenanthrolines that is 1,10-phenanthroline bearing two methyl substituents at positions 2 and 9. | 2 | 1 | 0 | phenanthrolines | chelator; copper chelator |
pyrrolidine dithiocarbamate pyrrolidine dithiocarbamic acid: spelled pyrolidine in J Nutr 1979 reference; RN given refers to parent cpd. pyrrolidine dithiocarbamate : A member of the class of dithiocarbamic acids that is the N-dithiocarboxy derivative of pyrrolidine. | 2.91 | 4 | 0 | dithiocarbamic acids; pyrrolidines | anticonvulsant; antineoplastic agent; geroprotector; neuroprotective agent; NF-kappaB inhibitor; radical scavenger |
peroxynitric acid [no description available] | 7.57 | 131 | 1 | nitrogen oxoacid | |
glutathione disulfide Glutathione Disulfide: A GLUTATHIONE dimer formed by a disulfide bond between the cysteine sulfhydryl side chains during the course of being oxidized. | 3.11 | 5 | 0 | glutathione derivative; organic disulfide | Escherichia coli metabolite; mouse metabolite |
3'-azido-3'-deoxythymidine 5'phosphate 3'-azido-3'-deoxythymidine 5'phosphate: inhibits thymidylate kinase | 2.02 | 1 | 0 | ||
n-acetylpenicillamine N-acetylpenicillamine: RN given refers to (DL)-isomer. N-acetyl-D-penicillamine : An N-acetyl-D-amino acid where the amino acid is D-penicillamine | 2 | 1 | 0 | N-acetyl-D-amino acid | |
cephalosporin c cephalosporin C: RN given refers to parent cpd; structure in Merck, 9th ed, #1937. cephalosporin C : A cephalosporin antibiotic carrying a 3-acetoxymethyl substituent and a 6-oxo-N(6)-L-lysino group at position 7. | 2.01 | 1 | 0 | cephalosporin | fungal metabolite |
nictindole nictindole: structure | 1.96 | 1 | 0 | ||
lubeluzole lubeluzole: a benzothiazole compound; used for the treatment of acute ischemic stroke; R-91154 is the inactive isomer | 2 | 1 | 0 | benzothiazoles | |
1,7-phenanthroline [no description available] | 2.71 | 3 | 0 | phenanthroline | |
triazoles Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms. | 4.44 | 22 | 0 | 1,2,3-triazole | |
1,2,4-triazine [no description available] | 2.13 | 1 | 0 | 1,2,4-triazines; triazine | |
1,2-dithiol-3-thione 1,2-dithiol-3-thione: has antioxidant activity; structure given in first source | 2.44 | 2 | 0 | 1,2-dithiole | |
cromakalim Cromakalim: A potassium-channel opening vasodilator that has been investigated in the management of hypertension. It has also been tried in patients with asthma. (Martindale, The Extra Pharmacopoeia, 30th ed, p352) | 3.69 | 10 | 0 | ||
hesperetin [no description available] | 2.42 | 2 | 0 | 3'-hydroxyflavanones; 4'-methoxyflavanones; monomethoxyflavanone; trihydroxyflavanone | antineoplastic agent; antioxidant; plant metabolite |
leupeptin [no description available] | 2 | 1 | 0 | aldehyde; tripeptide | bacterial metabolite; calpain inhibitor; cathepsin B inhibitor; EC 3.4.21.4 (trypsin) inhibitor; serine protease inhibitor |
monomethyl succinate monomethyl succinate: RN given refers to parent cpd. monomethyl succinate : A dicarboxylic acid monoester that is succinic acid in which one of the carboxy groups has been converted to its methyl ester. | 1.99 | 1 | 0 | dicarboxylic acid monoester; hemisuccinate | |
fibrinogen Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol. | 2.42 | 2 | 0 | iditol | fungal metabolite |
7-ketocholesterol 7-ketocholesterol: inhibits uptake of cholesterol in rabbit aorta. 7-ketocholesterol : A cholestanoid that consists of cholesterol bearing an oxo substituent at position 7. | 1.99 | 1 | 0 | 3beta-hydroxy-Delta(5)-steroid; 3beta-sterol; 7-oxo steroid; cholestanoid | neuroprotective agent |
homocysteine Homocysteine: A thiol-containing amino acid formed by a demethylation of METHIONINE.. homocysteine : A sulfur-containing amino acid consisting of a glycine core with a 2-mercaptoethyl side-chain.. L-homocysteine : A homocysteine that has L configuration. | 2.05 | 1 | 0 | amino acid zwitterion; homocysteine; serine family amino acid | fundamental metabolite; mouse metabolite |
alpha,beta-methyleneadenosine 5'-triphosphate alpha,beta-methyleneadenosine 5'-triphosphate: do not confuse with beta,gamma-methylene ATP; RN given refers to parent cpd | 1.99 | 1 | 0 | nucleoside triphosphate analogue | |
4-hydroxypropranolol 4-hydroxypropranolol: metabolite of propanolol; RN given refers to parent cpd without isomeric designation | 2.02 | 1 | 0 | naphthols | |
8-((4-chlorophenyl)thio)cyclic-3',5'-amp 8-((4-chlorophenyl)thio)cyclic-3',5'-AMP: lowers cAMP in heart & fat cells; cAMP-dependent kinase inhibitor. 8-(4-chlorophenylthio)-cAMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP in which the hydrogen at position 2 on the purine fragment is replaced by a 4-chlorophenylthio group. | 2.03 | 1 | 0 | 3',5'-cyclic purine nucleotide; adenyl ribonucleotide; aryl sulfide; organochlorine compound | protein kinase agonist |
gamma-tocopherol gamma-Tocopherol: A natural tocopherol with less antioxidant activity than ALPHA-TOCOPHEROL. It exhibits antioxidant activity by virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus. As in BETA-TOCOPHEROL, it also has three methyl groups on the 6-chromanol nucleus but at different sites.. gamma-tocopherol : A tocopherol in which the chroman-6-ol core is substituted by methyl groups at positions 7 and 8. It is found particularly in maize (corn) oil and soya bean (soybean) oils. | 2.01 | 1 | 0 | tocopherol; vitamin E | algal metabolite; food antioxidant; plant metabolite |
hippuryl-histidyl-leucine hippuryl-histidyl-leucine: synthetic substrate for angiotensin converting enzyme; used in affinity chromatography | 1.99 | 1 | 0 | ||
2,8-dihydroxyquinoline [no description available] | 2.03 | 1 | 0 | dihydroxyquinoline; monohydroxyquinoline; quinolone | |
1-hydroxy-2,2,6,6-tetramethyl-4-oxopiperidine [no description available] | 2.41 | 2 | 0 | ||
cobalt Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27. | 2.73 | 3 | 0 | cobalt group element atom; metal allergen | micronutrient |
p-methoxy-n-methylphenethylamine p-Methoxy-N-methylphenethylamine: A potent mast cell degranulator. It is involved in histamine release.. N,O-dimethyltyramine : A secondary amino compound that is tyramine in which the hydrogen of the phenolic hydroxy group has been replaced by a methyl group. | 2 | 1 | 0 | aromatic ether; secondary amino compound | metabolite |
fulvestrant Fulvestrant: An estradiol derivative and estrogen receptor antagonist that is used for the treatment of estrogen receptor-positive, locally advanced or metastatic breast cancer.. fulvestrant : A 3-hydroxy steroid that is 17beta-estradiol in which the 7alpha hydrogen has been replaced by a nonyl group in which one of the hydrogens of the terminal methyl has been replaced by a (4,4,5,5,5-pentafluoropentyl)sulfinyl group. An estrogen receptor antagonist, it is used in the treatment of breast cancer. | 2.02 | 1 | 0 | 17beta-hydroxy steroid; 3-hydroxy steroid; organofluorine compound; sulfoxide | antineoplastic agent; estrogen antagonist; estrogen receptor antagonist |
1,2-bis(2-aminophenoxy)ethane-n,n,n',n'-tetraacetic acid 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid: structure in first source | 2.02 | 1 | 0 | polyamino carboxylic acid; tetracarboxylic acid | chelator |
enkephalin, d-penicillamine (2,5)- Enkephalin, D-Penicillamine (2,5)-: A disulfide opioid pentapeptide that selectively binds to the DELTA OPIOID RECEPTOR. It possesses antinociceptive activity.. DPDPE : A heterodetic cyclic peptide that is a cyclic enkephalin analogue, having D-penicillaminyl residues located at positions 2 and 5, which form the heterocycle via a disulfide bond. | 2.03 | 1 | 0 | heterodetic cyclic peptide | delta-opioid receptor agonist |
u 73122 1-(6-((3-methoxyestra-1,3,5(10)-trien-17-yl)amino)hexyl)-1H-pyrrole-2,5-dione: structure given in first source. U-73122 : An aza-steroid that is 3-O-methyl-17beta-estradiol in which the 17beta-hydroxy group is replaced by a 6-(maleimid-1-yl)hexylamino group. An inibitor of phospholipase C. | 2.41 | 2 | 0 | aromatic ether; aza-steroid; maleimides | EC 3.1.4.11 (phosphoinositide phospholipase C) inhibitor |
s-nitrosoglutathione [no description available] | 5.14 | 45 | 0 | glutathione derivative; nitrosothio compound | bronchodilator agent; nitric oxide donor; platelet aggregation inhibitor; signalling molecule |
diacetyldichlorofluorescein diacetyldichlorofluorescein: stable storage form of dichlorofluorescein | 3.26 | 6 | 0 | ||
1-(2-(3-(4-methoxyphenyl)propoxy)-4-methoxyphenylethyl)-1h-imidazole 1-(2-(3-(4-methoxyphenyl)propoxy)-4-methoxyphenylethyl)-1H-imidazole: inhibits platelet aggregation & Ca2+ entry into platelets. SKF-96365 free base : An ether that is 2-(1H-imidazol-1-yl)-1-(4-methoxyphenyl)ethanol in which the hydrogen of the hydroxy group has been substituted by a 3-(4-methoxyphenyl)propyl group. | 1.99 | 1 | 0 | ether; imidazoles; monomethoxybenzene | TRP channel blocker |
dihydrorhodamine 123 dihydrorhodamine 123: uncharged & nonfluorescent derivative of the laser dye rhodamine 123; flow cytometric indicator for respiratory burst activity in neutrophil granulocytes | 3.8 | 11 | 0 | ||
bradykinin, des-arg(9)- bradykinin, des-Arg(9)-: RN given refers to parent cpd | 3.41 | 1 | 1 | oligopeptide | bradykinin receptor B2 agonist |
indo-1 indo-1: structure given in first source | 2 | 1 | 0 | indoles | fluorochrome |
s-ethyl glutathione [no description available] | 2.03 | 1 | 0 | oligopeptide | |
arginyl-glycyl-aspartyl-serine arginyl-glycyl-aspartyl-serine: corresponds to cell attachment site of fibronectin; located near carboxyl-terminal region of alpha-chain of fibrinogen; inhibits platelet aggregation & fibrinogen binding to activated platelets | 1.98 | 1 | 0 | ||
1,1-dimethylheptyl-11-hydroxytetrahydrocannabinol HU 211: structure given in first source; HU 211 is active & HU 210 is inactive as canibinoids; functional N-methyl-D-aspartate receptor blocker; RN given is for (6aS-trans)-isomer | 2.03 | 1 | 0 | ||
geniposide [no description available] | 2.05 | 1 | 0 | terpene glycoside | |
afdx 116 otenzepad: cardioselective muscarinic receptor antagonist; structure given in first source | 2 | 1 | 0 | benzodiazepine | |
procyanidin Proanthocyanidins: Dimers and oligomers of flavan-3-ol units (CATECHIN analogs) linked mainly through C4 to C8 bonds to leucoanthocyanidins. They are structurally similar to ANTHOCYANINS but are the result of a different fork in biosynthetic pathways. | 2.7 | 3 | 0 | proanthocyanidin | |
epicatechin gallate epicatechin gallate: a steroid 5alpha-reductase inhibitor; RN given refers to the (cis)-isomer; structure given in first source; isolated from green tea. (-)-epicatechin-3-O-gallate : A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida. | 2.01 | 1 | 0 | catechin; gallate ester; polyphenol | EC 3.2.1.1 (alpha-amylase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; metabolite |
phosphites Phosphites: Inorganic salts or organic esters of phosphorous acid that contain the (3-)PO3 radical. (From Grant & Hackh's Chemical Dictionary, 5th ed). phosphite(3-) : A trivalent inorganic anion obtained by removal of all three protons from phosphorous acid. | 1.99 | 1 | 0 | phosphite ion; trivalent inorganic anion | |
s-methylthiocitrulline S-methylthiocitrulline: a nitric oxide synthase inhibitor; structure in first source. S-methyl-L-thiocitrulline : An L-arginine derivative in which the guanidino NH2 group of L-arginine is replaced by a methylsufanyl group. | 2.7 | 3 | 0 | imidothiocarbamic ester; L-arginine derivative; L-ornithine derivative; non-proteinogenic L-alpha-amino acid | EC 1.14.13.39 (nitric oxide synthase) inhibitor; neuroprotective agent |
n(g)-iminoethylornithine [no description available] | 3.25 | 6 | 0 | L-alpha-amino acid | |
n-chlorotaurine N-chlorotaurine: inhibits both inducible nitric oxide synthase and IkappaB kinase | 1.98 | 1 | 0 | ||
s-nitrosomercaptoethanol S-nitrosomercaptoethanol: A sulfur-containing alkyl thionitrite that is a nitric oxide donor. It is an anti-infective agent and inhibits Bacillus cereus spore outgrowth. | 2.4 | 2 | 0 | ||
ml 9 [no description available] | 2.01 | 1 | 0 | ||
proanthocyanidin proanthocyanidin: RN given refers to proanthocyanidin A; Cannabinoid Receptor CB1 antagonist. proanthocyanidin : A flavonoid oligomer obtained by the the condensation of two or more units of hydroxyflavans. | 2.01 | 1 | 0 | ||
kt 5823 KT 5823: indolocarbazole; activates human neutrophils & fails to inhibit cGMP-dependent protein kinase phosphorylation of vimentin. KT 5823 : An organic heterooctacyclic compound that is 1H,1'H-2,2'-biindole in which the nitrogens have undergone formal oxidative coupling to positions 2 and 5 of methyl (3R)-3-methoxy-2-methyltetrahydrofuran-3-carboxylate (the 2S,3R,5R product), and in which the 3 and 3' positions of the biindole moiety have also undergone formal oxidative coupling to positions 3 and 4 of 1-methyl-1,5-dihydro-2H-pyrrol-2-one. | 3.26 | 6 | 0 | gamma-lactam; hemiaminal; indolocarbazole; methyl ester; organic heterooctacyclic compound | EC 2.7.11.12 (cGMP-dependent protein kinase) inhibitor |
1-hexadecyl-2-acetyl-glycero-3-phosphocholine Platelet Activating Factor: A phospholipid derivative formed by PLATELETS; BASOPHILS; NEUTROPHILS; MONOCYTES; and MACROPHAGES. It is a potent platelet aggregating agent and inducer of systemic anaphylactic symptoms, including HYPOTENSION; THROMBOCYTOPENIA; NEUTROPENIA; and BRONCHOCONSTRICTION.. 2-O-acetyl-1-O-hexadecyl-sn-glycero-3-phosphocholine : A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine betaine which has hexadecyl as the alkyl group. PAF is a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis. | 3.36 | 7 | 0 | 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine | antihypertensive agent; beta-adrenergic antagonist; bronchoconstrictor agent; hematologic agent; vasodilator agent |
deoxyglucose Deoxyglucose: 2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity.. deoxyglucose : A deoxyhexose comprising glucose having at least one hydroxy group replaced by hydrogen. | 2.44 | 2 | 0 | ||
thromboxanes thromboxane : A class of oxygenated oxane derivatives, originally derived from prostaglandin precursors in platelets, that stimulate aggregation of platelets and constriction of blood vessels. | 4.61 | 6 | 1 | ||
nitroaspirin nitroaspirin: a nitric oxide donor | 4.21 | 5 | 0 | carbonyl compound | |
n-nitrosomorpholinoaminoacetonitrile [no description available] | 3.23 | 6 | 0 | ||
sinitrodil sinitrodil: structure in first source | 2.39 | 2 | 0 | ||
4-aminophenylphosphate 4-aminophenylphosphate: RN refers to di-Ag salt; structure given in first source | 2 | 1 | 0 | ||
procyanidin b2 procyanidin B2 : A proanthocyanidin consisting of two molecules of (-)-epicatechin joined by a bond between positions 4 and 8' in a beta-configuration. Procyanidin B2 can be found in Cinchona pubescens (Chinchona, in the rind, bark and cortex), in Cinnamomum verum (Ceylon cinnamon, in the rind, bark and cortex), in Crataegus monogyna (Common hawthorn, in the flower and blossom), in Uncaria guianensis (Cat's claw, in the root), in Vitis vinifera (Common grape vine, in the leaf), in Litchi chinensis (litchi, in the pericarp), in the apple, in Ecdysanthera utilis and in red wine. | 2.01 | 1 | 0 | biflavonoid; hydroxyflavan; polyphenol; proanthocyanidin | antioxidant; metabolite |
peroxynitrous acid Peroxynitrous Acid: A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES). | 7.6 | 209 | 0 | nitrogen oxoacid | |
cyclic adp-ribose Cyclic ADP-Ribose: A pyridine nucleotide that mobilizes CALCIUM. It is synthesized from nicotinamide adenine dinucleotide (NAD) by ADP RIBOSE CYCLASE. | 2.03 | 1 | 0 | cyclic purine nucleotide; nucleotide-sugar | metabolite; ryanodine receptor agonist |
indo-1 pentaacetoxymethyl ester Indo-1 pentaacetoxymethyl ester: calcium-specific chelating agent; calcium ion fluorescent probe | 1.98 | 1 | 0 | ||
4-(alpha-(4-allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl)-n,n-diethylbenzamide 4-(alpha-(4-allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl)-N,N-diethylbenzamide: a highly-selective, nonpeptide delta opioid receptor agonist; structure given in first source | 2.03 | 1 | 0 | diarylmethane | |
gamma-glutamylcysteine L-gamma-glutamyl-L-cysteine : A molecular entity formed when L-cysteine amino group binds to the gamma-carbonyl of L-glutamic acid. | 2.02 | 1 | 0 | gamma-glutamylcysteine | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
n-cyano-n'-(2-nitroxyethyl)-3-pyridinecarboximidamide methanesulfonate N-cyano-N'-(2-nitroxyethyl)-3-pyridinecarboximidamide methanesulfonate: structure given in first source | 2.69 | 3 | 0 | ||
glycerophosphoinositol 4,5-bisphosphate glycerophosphoinositol 4,5-bisphosphate: do not confuse with phosphatidylinositols which have fatty acids esterified at the C-1 and C-2 hydroxyl groups of glycerol | 2.17 | 1 | 0 | ||
dihydroethidium dihydroethidium: RN given is for the (+-)-isomer | 2.06 | 1 | 0 | ||
n(g)-nitroarginine-4-nitroanilide N(G)-nitroarginine-4-nitroanilide: anti-nociceptive agent in the mouse | 2 | 1 | 0 | ||
n-(6-methoxy-8-quinolyl)-4-toluenesulfonamide [no description available] | 1.99 | 1 | 0 | ||
thrombin receptor peptide sfllrnp thrombin receptor peptide SFLLRNP: a synthetic peptide that induces early events of T cell activation and synergizes with TCR cross-linking for CD69 expression & interleukin-2 production; thrombin receptor agonist; do not confuse with TRAP peptide | 2.01 | 1 | 0 | ||
omega-n-methylarginine omega-N-Methylarginine: A competitive inhibitor of nitric oxide synthetase.. N(omega)-methyl-L-arginine : A L-arginine derivative with a N(omega)-methyl substituent. | 5.36 | 57 | 0 | amino acid zwitterion; arginine derivative; guanidines; L-arginine derivative; non-proteinogenic L-alpha-amino acid | |
tempol [no description available] | 2.13 | 1 | 0 | aminoxyls; hydroxypiperidine | anti-inflammatory agent; antineoplastic agent; apoptosis inducer; catalyst; hepatoprotective agent; nephroprotective agent; neuroprotective agent; radical scavenger |
procyanidin b3 procyanidin B3 : A proanthocyanidin consisting of two molecules of (+)-catechin joined by a bond between positions 4 and 8' in alpha-configuration. It can be found in red wine, in barley, in beer, in peach or in Jatropha macrantha, the Huanarpo Macho. | 2.01 | 1 | 0 | biflavonoid; hydroxyflavan; polyphenol; proanthocyanidin | anti-inflammatory agent; antioxidant; EC 2.3.1.48 (histone acetyltransferase) inhibitor; metabolite |
mn(iii) 5,10,15,20-tetrakis(n-methylpyridinium-2-yl)porphyrin [no description available] | 2.98 | 1 | 0 | ||
naproxen Naproxen: An anti-inflammatory agent with analgesic and antipyretic properties. Both the acid and its sodium salt are used in the treatment of rheumatoid arthritis and other rheumatic or musculoskeletal disorders, dysmenorrhea, and acute gout.. naproxen : A methoxynaphthalene that is 2-methoxynaphthalene substituted by a carboxy ethyl group at position 6. Naproxen is a non-steroidal anti-inflammatory drug commonly used for the reduction of pain, fever, inflammation and stiffness caused by conditions such as osteoarthritis, kidney stones, rheumatoid arthritis, psoriatic arthritis, gout, ankylosing spondylitis, menstrual cramps, tendinitis, bursitis, and for the treatment of primary dysmenorrhea. It works by inhibiting both the COX-1 and COX-2 enzymes. | 2.02 | 1 | 0 | methoxynaphthalene; monocarboxylic acid | antipyretic; cyclooxygenase 1 inhibitor; cyclooxygenase 2 inhibitor; drug allergen; environmental contaminant; gout suppressant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
hydroxyl radical Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 4.49 | 23 | 0 | oxygen hydride; oxygen radical; reactive oxygen species | |
fenton's reagent Fenton's reagent: used for oxidizing sugars & alcohols | 1.99 | 1 | 0 | ||
aminochrome 1 dopaminechrome: structure given in first source. dopaminechrome (enol form) : A member of the class of indolones that is 3,5-dihydro-2H-indole substituted by an oxo group at position 5 and a hydroxy group at position 6.. dopaminechrome (keto form) : A member of the class of indoledione that is 2,3,5,6-tetrahydro-1H-indole carrying oxo groups at positions 5 and 6; major microspecies at pH 7.3. It is an endogenous compound formed during dopamine oxidation and can induce neurotoxicity under certain aberrant conditions and induce Parkinson-like syndrome. | 2 | 1 | 0 | indoledione; orthoquinones | neurotoxin |
biotin vitamin B7 : Any member of a group of vitamers that belong to the chemical structural class called biotins that exhibit biological activity against vitamin B7 deficiency. Vitamin B7 deficiency is very rare in individuals who take a normal balanced diet. Foods rich in biotin are egg yolk, liver, cereals, vegetables (spinach, mushrooms) and rice. Symptoms associated with vitamin B7 deficiency include thinning hair, scaly skin rashes around eyes, nose and mouth, and brittle nails. The vitamers include biotin and its ionized and salt forms. | 2.17 | 1 | 0 | biotins; vitamin B7 | coenzyme; cofactor; Escherichia coli metabolite; fundamental metabolite; human metabolite; mouse metabolite; nutraceutical; prosthetic group; Saccharomyces cerevisiae metabolite |
angiotensin ii Giapreza: injectable form of angiotensin II used to increase blood pressure in adult patients with septic or other distributive shock. Ile(5)-angiotensin II : An angiotensin II that acts on the central nervous system (PDB entry: 1N9V). | 3.39 | 7 | 0 | amino acid zwitterion; angiotensin II | human metabolite |
atropine tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3. | 3.25 | 6 | 0 | ||
sb 203580 [no description available] | 2.92 | 4 | 0 | imidazoles; monofluorobenzenes; pyridines; sulfoxide | EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; geroprotector; Hsp90 inhibitor; neuroprotective agent |
homocysteic acid homocysteic acid: promotes growth in hypophysectomized rats; RN given refers to parent cpd. homocysteic acid : A non-proteinogenic alpha-amino acid that is homocysteine in which the thiol group has benn oxidised to the corresponding sulfonic acid.. L-homocysteic acid : A homocysteic acid with L-configuration. | 2.05 | 1 | 0 | homocysteic acid | NMDA receptor agonist |
dioclein dioclein: isolated from the plant Dioclea grandiflora | 2 | 1 | 0 | ||
2-amino-5,6-dihydro-4h-1,3-thiazine 2-amino-5,6-dihydro-4H-1,3-thiazine: RN given refers to parent cpd | 2 | 1 | 0 | ||
4-methyl-3-(phenylsulfonyl)furoxan 4-methyl-3-(phenylsulfonyl)furoxan: structure given in first source; a human guanylate cyclase activator | 1.98 | 1 | 0 | ||
3-nitrotyrosine 3-nitrotyrosine: RN given refers to parent cpd without isomeric designation. 3-nitrotyrosine : A nitrotyrosine comprising tyrosine having a nitro group at the 3-position on the phenyl ring. | 7.85 | 56 | 1 | 2-nitrophenols; C-nitro compound; nitrotyrosine; non-proteinogenic alpha-amino acid | |
propargylamine propargylamine: RN given refers to parent cpd; structure | 2.41 | 2 | 0 | ||
nas [no description available] | 2 | 1 | 0 | ||
wortmannin [no description available] | 2 | 1 | 0 | acetate ester; cyclic ketone; delta-lactone; organic heteropentacyclic compound | anticoronaviral agent; antineoplastic agent; autophagy inhibitor; EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor; geroprotector; Penicillium metabolite; radiosensitizing agent |
sorbinil sorbinil: aldose reductase inhibitor. sorbinil : An azaspiro compound having a monofluoro-substituted chromane skeleton spiro-linked to an imidazolidinedione ring. | 2.07 | 1 | 0 | azaspiro compound; chromanes; imidazolidinone; organofluorine compound; oxaspiro compound | antioxidant; EC 1.1.1.21 (aldehyde reductase) inhibitor |
dihydropyridines Dihydropyridines: Pyridine moieties which are partially saturated by the addition of two hydrogen atoms in any position. | 2.02 | 1 | 0 | ||
leupeptins Leupeptins: A group of acylated oligopeptides produced by Actinomycetes that function as protease inhibitors. They have been known to inhibit to varying degrees trypsin, plasmin, KALLIKREINS, papain and the cathepsins. | 2.95 | 4 | 0 | ||
leptomycin b [no description available] | 2 | 1 | 0 | ||
bradykinin [no description available] | 5.67 | 19 | 1 | oligopeptide | human blood serum metabolite; vasodilator agent |
hexacyanoferrate iii hexacyanoferrate III: RN given refers to parent cpd | 1.96 | 1 | 0 | ||
carnosine polaprezinc: stimulates bone growth | 2 | 1 | 0 | amino acid zwitterion; dipeptide | anticonvulsant; antineoplastic agent; antioxidant; Daphnia magna metabolite; geroprotector; human metabolite; mouse metabolite; neuroprotective agent |
raffinose Raffinose: A trisaccharide occurring in Australian manna (from Eucalyptus spp, Myrtaceae) and in cottonseed meal.. raffinose : A trisaccharide composed of alpha-D-galactopyranose, alpha-D-glucopyranose and beta-D-fructofuranose joined in sequence by 1->6 and 1<->2 glycosidic linkages, respectively. | 2.41 | 2 | 0 | raffinose family oligosaccharide; trisaccharide | mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
naringenin (S)-naringenin : The (S)-enantiomer of naringenin. | 2 | 1 | 0 | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
oxytocin Oxytocin: A nonapeptide hormone released from the neurohypophysis (PITUITARY GLAND, POSTERIOR). It differs from VASOPRESSIN by two amino acids at residues 3 and 8. Oxytocin acts on SMOOTH MUSCLE CELLS, such as causing UTERINE CONTRACTIONS and MILK EJECTION.. oxytocin : A cyclic nonapeptide hormone with amino acid sequence CYIQNCPLG that also acts as a neurotransmitter in the brain; the principal uterine-contracting and milk-ejecting hormone of the posterior pituitary. Together with the neuropeptide vasopressin, it is believed to influence social cognition and behaviour. | 2.92 | 4 | 0 | heterodetic cyclic peptide; peptide hormone | oxytocic; vasodilator agent |
inositol 1,4,5-trisphosphate Inositol 1,4,5-Trisphosphate: Intracellular messenger formed by the action of phospholipase C on phosphatidylinositol 4,5-bisphosphate, which is one of the phospholipids that make up the cell membrane. Inositol 1,4,5-trisphosphate is released into the cytoplasm where it releases calcium ions from internal stores within the cell's endoplasmic reticulum. These calcium ions stimulate the activity of B kinase or calmodulin. | 2.9 | 4 | 0 | myo-inositol trisphosphate | mouse metabolite |
ouabain Ouabain: A cardioactive glycoside consisting of rhamnose and ouabagenin, obtained from the seeds of Strophanthus gratus and other plants of the Apocynaceae; used like DIGITALIS. It is commonly used in cell biological studies as an inhibitor of the NA(+)-K(+)-EXCHANGING ATPASE.. cardiac glycoside : Steroid lactones containing sugar residues that act on the contractile force of the cardiac muscles.. ouabain : A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | 2.41 | 2 | 0 | 11alpha-hydroxy steroid; 14beta-hydroxy steroid; 5beta-hydroxy steroid; alpha-L-rhamnoside; cardenolide glycoside; steroid hormone | anti-arrhythmia drug; cardiotonic drug; EC 2.3.3.1 [citrate (Si)-synthase] inhibitor; EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor; ion transport inhibitor; plant metabolite |
nitroarginine Nitroarginine: An inhibitor of nitric oxide synthetase which has been shown to prevent glutamate toxicity. Nitroarginine has been experimentally tested for its ability to prevent ammonia toxicity and ammonia-induced alterations in brain energy and ammonia metabolites. (Neurochem Res 1995:200(4):451-6). N(gamma)-nitro-L-arginine : An L-arginine derivative that is L-arginine in which the terminal nitrogen of the guanidyl group is replaced by a nitro group. | 6.64 | 69 | 0 | guanidines; L-arginine derivative; N-nitro compound; non-proteinogenic L-alpha-amino acid | |
dehydroascorbic acid Dehydroascorbic Acid: The reversibly oxidized form of ascorbic acid. It is the lactone of 2,3-DIKETOGULONIC ACID and has antiscorbutic activity in man on oral ingestion.. L-dehydroascorbate : An organic anion and the conjugate base of L-dehydroascorbic acid, arising from deprotonation of the acidic C2-position.. L-dehydroascorbic acid : Dehydroascorbic acid having the L-configuration. | 2.02 | 1 | 0 | dehydroascorbic acid; vitamin C | coenzyme; mouse metabolite |
phalloidine Phalloidine: Very toxic polypeptide isolated mainly from AMANITA phalloides (Agaricaceae) or death cup; causes fatal liver, kidney and CNS damage in mushroom poisoning; used in the study of liver damage.. phalloidin : A homodetic bicyclic heptapeptide having a sulfide bridge. | 2.05 | 1 | 0 | homodetic cyclic peptide | |
ryanodine Ryanodine: A methylpyrrole-carboxylate from RYANIA that disrupts the RYANODINE RECEPTOR CALCIUM RELEASE CHANNEL to modify CALCIUM release from SARCOPLASMIC RETICULUM resulting in alteration of MUSCLE CONTRACTION. It was previously used in INSECTICIDES. It is used experimentally in conjunction with THAPSIGARGIN and other inhibitors of CALCIUM ATPASE uptake of calcium into SARCOPLASMIC RETICULUM.. ryanodine : An insecticide alkaloid isolated from South American plant Ryania speciosa. | 3.11 | 5 | 0 | ||
lignans Lignans: A class of dibenzylbutane derivatives which occurs in higher plants and in fluids (bile, serum, urine, etc.) in man and other animals. These compounds, which have a potential anti-cancer role, can be synthesized in vitro by human fecal flora. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) | 2.45 | 2 | 0 | ||
bq 123 cyclo(Trp-Asp-Pro-Val-Leu): derived from the modification of a natural lead of BE-18257B, an endothelin A receptor antagonist; has neuroprotective activity; amino acid sequence given in first source | 2 | 1 | 0 | cyclic peptide | |
n-formylmethionine leucyl-phenylalanine N-Formylmethionine Leucyl-Phenylalanine: A formylated tripeptide originally isolated from bacterial filtrates that is positively chemotactic to polymorphonuclear leucocytes, and causes them to release lysosomal enzymes and become metabolically activated.. N-formyl-L-methionyl-L-leucyl-L-phenylalanine : A tripeptide composed of L-Met, L-Leu and L-Phe in a linear sequence with a formyl group at the amino terminus. It acts as a potent inducer of leucocyte chemotaxis and macrophage activator as well as a ligand for the FPR receptor. | 5.58 | 17 | 1 | tripeptide | |
sodium arsenite sodium arsenite : An inoganic sodium salt with formula with formula NaAsO2. | 2.45 | 2 | 0 | arsenic molecular entity; inorganic sodium salt | antibacterial agent; antifungal agent; antineoplastic agent; carcinogenic agent; herbicide; insecticide; rodenticide |
ergonovine Ergonovine: An ergot alkaloid (ERGOT ALKALOIDS) with uterine and VASCULAR SMOOTH MUSCLE contractile properties.. ergometrine : A monocarboxylic acid amide that is lysergamide in which one of the hydrogens attached to the amide nitrogen is substituted by a 1-hydroxypropan-2-yl group (S-configuration). An ergot alkaloid that has a particularly powerful action on the uterus, its maleate (and formerly tartrate) salt is used in the active management of the third stage of labour, and to prevent or treat postpartum of postabortal haemorrhage caused by uterine atony: by maintaining uterine contraction and tone, blood vessels in the uterine wall are compressed and blood flow reduced. | 1.96 | 1 | 0 | ergot alkaloid; monocarboxylic acid amide; organic heterotetracyclic compound; primary alcohol; secondary amino compound; tertiary amino compound | diagnostic agent; fungal metabolite; oxytocic; toxin |
acetyl coenzyme a Acetyl Coenzyme A: Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. | 2.02 | 1 | 0 | acyl-CoA | acyl donor; coenzyme; effector; fundamental metabolite |
arachidonic acid icosa-5,8,11,14-tetraenoic acid : Any icosatetraenoic acid with the double bonds at positions 5, 8, 11 and 14.. arachidonate : A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of arachidonic acid. | 4.18 | 17 | 0 | icosa-5,8,11,14-tetraenoic acid; long-chain fatty acid; omega-6 fatty acid | Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; human metabolite; mouse metabolite |
phosphoramidon phosphoramidon: a membrane metallo-endopeptidase & endothelin-converting enzyme inhibitor; thermolysin inhibitor from culture filtrate of Streptomyces tanashiensis; structure. phosphoramidon : A dipeptide isolated from the cultures of Streptomyces tanashiensis. | 2 | 1 | 0 | deoxyaldohexose phosphate; dipeptide | bacterial metabolite; EC 3.4.24.11 (neprilysin) inhibitor; EC 3.4.24.71 (endothelin-converting enzyme 1) inhibitor |
resveratrol trans-resveratrol : A resveratrol in which the double bond has E configuration. | 2.44 | 2 | 0 | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
oleic acid Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 1.99 | 1 | 0 | octadec-9-enoic acid | antioxidant; Daphnia galeata metabolite; EC 3.1.1.1 (carboxylesterase) inhibitor; Escherichia coli metabolite; mouse metabolite; plant metabolite; solvent |
tacrolimus Tacrolimus: A macrolide isolated from the culture broth of a strain of Streptomyces tsukubaensis that has strong immunosuppressive activity in vivo and prevents the activation of T-lymphocytes in response to antigenic or mitogenic stimulation in vitro.. tacrolimus (anhydrous) : A macrolide lactam containing a 23-membered lactone ring, originally isolated from the fermentation broth of a Japanese soil sample that contained the bacteria Streptomyces tsukubaensis. | 1.99 | 1 | 0 | macrolide lactam | bacterial metabolite; immunosuppressive agent |
thapsigargin Thapsigargin: A sesquiterpene lactone found in roots of THAPSIA. It inhibits SARCOPLASMIC RETICULUM CALCIUM-TRANSPORTING ATPASES.. thapsigargin : An organic heterotricyclic compound that is a hexa-oxygenated 6,7-guaianolide isolated fron the roots of Thapsia garganica L., Apiaceae. A potent skin irritant, it is used in traditional medicine as a counter-irritant. Thapsigargin inhibits Ca(2+)-transporting ATPase mediated uptake of calcium ions into sarcoplasmic reticulum and is used in experimentation examining the impacts of increasing cytosolic calcium concentrations. | 3.26 | 6 | 0 | butyrate ester; organic heterotricyclic compound; sesquiterpene lactone | calcium channel blocker; EC 3.6.3.8 (Ca(2+)-transporting ATPase) inhibitor |
dihydrorhodamine 6g [no description available] | 2.42 | 2 | 0 | ||
lycopene [no description available] | 2.45 | 2 | 0 | acyclic carotene | antioxidant; plant metabolite |
prostaglandin d2 Prostaglandin D2: The principal cyclooxygenase metabolite of arachidonic acid. It is released upon activation of mast cells and is also synthesized by alveolar macrophages. Among its many biological actions, the most important are its bronchoconstrictor, platelet-activating-factor-inhibitory, and cytotoxic effects.. prostaglandin D2 : A member of the class of prostaglandins D that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9 and 15 and an oxo group at position 11 (the 5Z,9alpha,13E,15S- stereoisomer). | 2.4 | 2 | 0 | prostaglandins D | human metabolite; mouse metabolite |
h 89 N-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide: structure given in first source. N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide : A member of the class of isoquinolines that is the sulfonamide obtained by formal condensation of the sulfo group of isoquinoline-5-sulfonic acid with the primary amino group of N(1)-[3-(4-bromophenyl)prop-2-en-1-yl]ethane-1,2-diamine. It is a protein kinase A inhibitor.. (E)-N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide : A N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide in which the double bond adopts a trans-configuration. | 2.41 | 2 | 0 | N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide | |
imidazolidines [no description available] | 2.07 | 1 | 0 | azacycloalkane; imidazolidines; saturated organic heteromonocyclic parent | |
texas red Texas red: hydrophilic Texas red; structure given in first source | 1.99 | 1 | 0 | organic heteroheptacyclic compound | fluorochrome |
iridoids Iridoids: A type of MONOTERPENES, derived from geraniol. They have the general form of cyclopentanopyran, but in some cases, one of the rings is broken as in the case of secoiridoid. They are different from the similarly named iridals (TRITERPENES). | 2.05 | 1 | 0 | ||
kt 5720 KT 5720: indolocarbazole; synthetic derivative of K 252a. KT 5720 : An organic heterooctacyclic compound that is 1H,1'H-2,2'-biindole in which the nitrogens have undergone formal oxidative coupling to positions 2 and 5 of hexyl (3S)-3-hydroxy-2-methyltetrahydrofuran-3-carboxylate (the 2R,3S,5S product), and in which the 3 and 3' positions of the biindole moiety have also undergone formal oxidative coupling to positions 3 and 4 of 1,5-dihydro-2H-pyrrol-2-one. | 2.93 | 4 | 0 | carboxylic ester; gamma-lactam; hemiaminal; indolocarbazole; organic heterooctacyclic compound; semisynthetic derivative; tertiary alcohol | EC 2.7.11.11 (cAMP-dependent protein kinase) inhibitor |
dactinomycin Dactinomycin: A compound composed of a two CYCLIC PEPTIDES attached to a phenoxazine that is derived from STREPTOMYCES parvullus. It binds to DNA and inhibits RNA synthesis (transcription), with chain elongation more sensitive than initiation, termination, or release. As a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015) | 2.4 | 2 | 0 | actinomycin | mutagen |
enkephalin, leucine Enkephalin, Leucine: One of the endogenous pentapeptides with morphine-like activity. It differs from MET-ENKEPHALIN in the LEUCINE at position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.. Leu-enkephalin : A pentapeptide comprising L-tyrosine, glycine, glycine, L-phenylalanine and L-leucine residues joined in sequence by peptide linkages. It is an endogenous opioid peptide produced in vertebrate species, including rodents, primates and humans that results from decomposition of proenkephalin or dynorphin and exhibits antinociceptive properties. | 1.98 | 1 | 0 | pentapeptide; peptide zwitterion | analgesic; delta-opioid receptor agonist; human metabolite; mu-opioid receptor agonist; neurotransmitter; rat metabolite |
benzyloxycarbonylleucyl-leucyl-leucine aldehyde benzyloxycarbonylleucyl-leucyl-leucine aldehyde: proteasome inhibitor. N-benzyloxycarbonyl-L-leucyl-L-leucyl-L-leucinal : A tripeptide that is L-leucyl-L-leucyl-L-leucine in which the C-terminal carboxy group has been reduced to the corresponding aldehyde and the N-terminal amino group is protected as its benzyloxycarbonyl derivative. | 2.73 | 3 | 0 | amino aldehyde; carbamate ester; tripeptide | proteasome inhibitor |
sodium bicarbonate Sodium Bicarbonate: A white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions. | 2.07 | 1 | 0 | one-carbon compound; organic sodium salt | antacid; food anticaking agent |
sodium acetate, anhydrous Sodium Acetate: The trihydrate sodium salt of acetic acid, which is used as a source of sodium ions in solutions for dialysis and as a systemic and urinary alkalizer, diuretic, and expectorant. | 2.02 | 1 | 0 | organic sodium salt | NMR chemical shift reference compound |
2,2,5,5-tetramethyl-1-pyrrolidinyloxy-3-carboxylic acid 2,2,5,5-tetramethyl-1-pyrrolidinyloxy-3-carboxylic acid: structure given in first source | 1.99 | 1 | 0 | aminoxyls; pyrrolidinecarboxylic acid | |
triacetoneamine-n-oxyl Triacetoneamine-N-Oxyl: Cyclic N-oxide radical functioning as a spin label and radiation-sensitizing agent.. 4-oxo-TEMPO : A member of the class of aminoxyls that is TEMPO carrying an oxo group at position 4. | 1.99 | 1 | 0 | aminoxyls; piperidones | radical scavenger |
carbenoxolone sodium Carbenoxolone: An agent derived from licorice root. It is used for the treatment of digestive tract ulcers, especially in the stomach. Antidiuretic side effects are frequent, but otherwise the drug is low in toxicity. | 1.97 | 1 | 0 | triterpenoid | |
glycosides [no description available] | 2.02 | 1 | 0 | ||
chalcone trans-chalcone : The trans-isomer of chalcone. | 2.46 | 2 | 0 | chalcone | EC 3.2.1.1 (alpha-amylase) inhibitor |
sinapinic acid sinapinic acid: a matrix for matrix-assisted laser desorption technique for protein MW determination; a constituent of propolis. trans-sinapic acid : A sinapic acid in which the double bond has trans-configuration. | 2.42 | 2 | 0 | sinapic acid | MALDI matrix material; plant metabolite |
stilbenes Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene. | 2.44 | 2 | 0 | stilbene | |
2'-hydroxychalcone 2'-hydroxychalcone : A member of the class of chalcones that is trans-chalcone substituted by a hydroxy group at position 2'. | 2.01 | 1 | 0 | chalcones; phenols | anti-inflammatory agent |
xanthohumol xanthohumol: from hop plant, Humulus lupulus. xanthohumol : A member of the class of chalcones that is trans-chalcone substituted by hydroxy groups at positions 4, 2' and 4', a methoxy group at position 6' and a prenyl group at position 3'. Isolated from Humulus lupulus, it induces apoptosis in human malignant glioblastoma cells. | 2.01 | 1 | 0 | aromatic ether; chalcones; polyphenol | anti-HIV-1 agent; antineoplastic agent; antiviral agent; apoptosis inducer; EC 2.3.1.20 (diacylglycerol O-acyltransferase) inhibitor; metabolite |
sorbic acid Sorbic Acid: Mold and yeast inhibitor. Used as a fungistatic agent for foods, especially cheeses.. (2E,4E)-hexa-2,4-dienoic acid : A sorbic acid having trans-double bonds at positions 2 and 4; a food preservative that can induce cutaneous vasodilation and stinging upon topical application to humans. It is the most thermodynamically stable of the four possible geometric isomers possible, as well as the one with the highest antimicrobial activity.. sorbic acid : A hexadienoic acid with double bonds at C-2 and C-4; it has four geometrical isomers, of which the trans,trans-form is naturally occurring. | 2 | 1 | 0 | alpha,beta-unsaturated monocarboxylic acid; sorbic acid | |
lypressin Lypressin: The porcine antidiuretic hormone (VASOPRESSINS). It is a cyclic nonapeptide that differs from ARG-VASOPRESSIN by one amino acid, containing a LYSINE at residue 8 instead of an ARGININE. Lys-vasopressin is used to treat DIABETES INSIPIDUS or to improve vasomotor tone and BLOOD PRESSURE. | 1.96 | 1 | 0 | cyclic peptide | |
arginine vasopressin Arginine Vasopressin: The predominant form of mammalian antidiuretic hormone. It is a nonapeptide containing an ARGININE at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. Arg-vasopressin is used to treat DIABETES INSIPIDUS or to improve vasomotor tone and BLOOD PRESSURE.. argipressin : The predominant form of mammalian vasopressin (antidiuretic hormone). It is a nonapeptide containing an arginine at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. | 3.09 | 5 | 0 | vasopressin | cardiovascular drug; hematologic agent; mitogen |
acetyl-aspartyl-glutamyl-valyl-aspartal acetyl-aspartyl-glutamyl-valyl-aspartal: a capase inhibitor. Ac-Asp-Glu-Val-Asp-H : A tetrapeptide consisting of two L-aspartic acid residues, an L-glutamyl residue and an L-valine residue with an acetyl group at the N-terminal and with the C-terminal carboxy group reduced to an aldehyde. It is an inhibitor of caspase-3/7. | 1.99 | 1 | 0 | tetrapeptide | protease inhibitor |
sesquiterpenes [no description available] | 2.05 | 1 | 0 | ||
ag-213 tyrphostin 47: inhibits protein-tyrosine kinase activity of EGF-R both in vitro and in living cells; | 1.98 | 1 | 0 | ||
caffeic acid trans-caffeic acid : The trans-isomer of caffeic acid. | 2 | 1 | 0 | caffeic acid | geroprotector; mouse metabolite |
curcumin Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.. curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. | 2.02 | 1 | 0 | aromatic ether; beta-diketone; diarylheptanoid; enone; polyphenol | anti-inflammatory agent; antifungal agent; antineoplastic agent; biological pigment; contraceptive drug; dye; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; flavouring agent; food colouring; geroprotector; hepatoprotective agent; immunomodulator; iron chelator; ligand; lipoxygenase inhibitor; metabolite; neuroprotective agent; nutraceutical; radical scavenger |
cinnarizine Cinnarizine: A piperazine derivative having histamine H1-receptor and calcium-channel blocking activity with vasodilating and antiemetic properties but it induces PARKINSONIAN DISORDERS. | 1.99 | 1 | 0 | diarylmethane; N-alkylpiperazine; olefinic compound | anti-allergic agent; antiemetic; calcium channel blocker; geroprotector; H1-receptor antagonist; histamine antagonist; muscarinic antagonist |
capsaicin ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief. capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers. | 2.91 | 4 | 0 | capsaicinoid | non-narcotic analgesic; TRPV1 agonist; voltage-gated sodium channel blocker |
thiobarbituric acid thiobarbituric acid: RN given refers to parent cpd. 2-thiobarbituric acid : A barbiturate, the structure of which is that of barbituric acid in which the oxygen at C-2 is replaced by sulfur. | 1.98 | 1 | 0 | barbiturates | allergen; reagent |
thiourea Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 2.7 | 3 | 0 | one-carbon compound; thioureas; ureas | antioxidant; chromophore |
D-fructopyranose [no description available] | 2.4 | 2 | 0 | cyclic hemiketal; D-fructose; fructopyranose | sweetening agent |
tempo TEMPO: structure. TEMPO : A member of the class of aminoxyls that is piperidine that carries an oxidanediyl group at position 1 and methyl groups at positions 2, 2, 6, and 6, respectively. | 2 | 1 | 0 | aminoxyls; piperidines | catalyst; ferroptosis inhibitor; radical scavenger |
1,3-dihydroxy-4,4,5,5-tetramethyl-2-(4-carboxyphenyl)tetrahydroimidazole 1,3-dihydroxy-4,4,5,5-tetramethyl-2-(4-carboxyphenyl)tetrahydroimidazole: intermediate in the synthesis of imidazolineoxyl N-oxides; partial structure given in first source | 3.71 | 10 | 0 | benzoic acid; imidazolines; organic radical | apoptosis inhibitor; radical scavenger |
2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide: partial structure given in first source; endothelium-derived relaxing factor antagonist | 3.1 | 5 | 0 | ||
tamoxifen [no description available] | 2 | 1 | 0 | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator |
sodium taurodeoxycholate Taurodeoxycholic Acid: A bile salt formed in the liver by conjugation of deoxycholate with taurine, usually as the sodium salt. It is used as a cholagogue and choleretic, also industrially as a fat emulsifier.. taurodeoxycholic acid : A bile acid taurine conjugate of deoxycholic acid.. taurodeoxycholate : An organosulfonate oxoanion that is the conjugate base of taurodeoxycholic acid. | 2.02 | 1 | 0 | bile acid taurine conjugate | human metabolite |
tocopherylquinone tocopherylquinone: RN refers to (3R-(3R*,7R*,11R*))-isomer; structure | 2 | 1 | 0 | ||
nadp [no description available] | 3.52 | 8 | 0 | ||
1,1-diphenyl-2-picrylhydrazyl 1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974) | 2.42 | 2 | 0 | ||
u 0126 U 0126: protein kinase kinase inhibitor; structure in first source | 2.1 | 1 | 0 | aryl sulfide; dinitrile; enamine; substituted aniline | antineoplastic agent; antioxidant; apoptosis inducer; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; osteogenesis regulator; vasoconstrictor agent |
8-hydroxypinoresinol 8-hydroxypinoresinol: cytoprotective lignan from Forsythia suspensa; structure in first source | 2.05 | 1 | 0 | lignan | |
laccase Laccase: A copper-containing oxidoreductase enzyme that catalyzes the oxidation of 4-benzenediol to 4-benzosemiquinone. It also has activity towards a variety of O-quinols and P-quinols. It primarily found in FUNGI and is involved in LIGNIN degradation, pigment biosynthesis and detoxification of lignin-derived products. | 2 | 1 | 0 | ||
cobaltous chloride cobaltous chloride: RN given refers to unlabeled cpd; RN in Chemline for cobalt trichloride: 10241-04-0; RN for 60-labeled cpd: 14543-09-0; RN for 57-labeled cpd: 164113-89-1; RN for 58-labeled cpd: 29377-09-1; structure. cobalt dichloride : A cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is chloride. It is used as an indicator for water in desiccants. | 2.45 | 2 | 0 | cobalt salt; inorganic chloride | allergen; calcium channel blocker; sensitiser; two-colour indicator |
nitrogen dioxide Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface. | 3.52 | 8 | 0 | nitrogen oxide | |
aprikalim [no description available] | 2 | 1 | 0 | ||
1,2-bis(2-aminophenoxy)ethane n,n,n',n'-tetraacetic acid acetoxymethyl ester [no description available] | 2.92 | 4 | 0 | ||
gea 3162 GEA 3162: structure given in first source; a nitric oxide-releasing compound | 4.01 | 14 | 0 | ||
8-bromoguanosino-3',5'-cyclic monophosphorothioate [no description available] | 2.43 | 2 | 0 | ||
cystine [no description available] | 2 | 1 | 0 | ||
rasagiline [no description available] | 2.41 | 2 | 0 | indanes; secondary amine; terminal acetylenic compound | EC 1.4.3.4 (monoamine oxidase) inhibitor; neuroprotective agent |
phillygenin phillygenin: cytoprotective lignan from Forsythia suspensa; structure in first source | 2.05 | 1 | 0 | ||
ovalbumin Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily. | 1.98 | 1 | 0 | ||
6-cyano-7-nitroquinoxaline-2,3-dione 6-Cyano-7-nitroquinoxaline-2,3-dione: A potent excitatory amino acid antagonist with a preference for non-NMDA iontropic receptors. It is used primarily as a research tool. | 2.41 | 2 | 0 | quinoxaline derivative | |
zinc protoporphyrin ix [no description available] | 2.46 | 2 | 0 | ||
fg 9041 FG 9041: structure given in first source | 1.98 | 1 | 0 | quinoxaline derivative | |
alpha-chymotrypsin Chymotrypsin: A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. | 2.39 | 2 | 0 | ||
naphthoquinones Naphthoquinones: Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. | 2.41 | 2 | 0 | ||
am 281 AM 281: radioligand for cannabinoid CB1 receptors; structure in first source | 2.03 | 1 | 0 | pyrazoles; ring assembly | |
sodium borohydride sodium borohydride: RN given refers to parent cpd | 1.99 | 1 | 0 | inorganic sodium salt; metal tetrahydridoborate | |
myelin basic protein Myelin Basic Protein: An abundant cytosolic protein that plays a critical role in the structure of multilamellar myelin. Myelin basic protein binds to the cytosolic sides of myelin cell membranes and causes a tight adhesion between opposing cell membranes. | 2 | 1 | 0 | ||
diethyl maleate diethyl maleate : A maleate ester resulting from the formal condensation of both carboxy groups of maleic acid with ethanol. A colourless liquid at room temperature (m.p. -10degreeC) with boiling point 220degreeC at 1 atm., it is commonly used as a dienophile for Diels-Alder-type cycloaddition reactions in organic synthesis. | 2 | 1 | 0 | ethyl ester; maleate ester | glutathione depleting agent |
quercetin [no description available] | 2.43 | 2 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger |
bilirubin [no description available] | 1.99 | 1 | 0 | biladienes; dicarboxylic acid | antioxidant; human metabolite; mouse metabolite |
dinoprostone prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 4.01 | 14 | 0 | prostaglandins E | human metabolite; mouse metabolite; oxytocic |
dinoprost Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions.. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | 3.69 | 10 | 0 | monocarboxylic acid; prostaglandins Falpha | human metabolite; mouse metabolite |
leukotriene a4 Leukotriene A4: (2S-(2 alpha,3 beta(1E,3E,5Z,8Z)))-3-(1,3,5,8-Tetradecatetraenyl)oxiranebutanoic acid. An unstable allylic epoxide, formed from the immediate precursor 5-HPETE via the stereospecific removal of a proton at C-10 and dehydration. Its biological actions are determined primarily by its metabolites, i.e., LEUKOTRIENE B4 and cysteinyl-leukotrienes. Alternatively, leukotriene A4 is converted into LEUKOTRIENE C4 by glutathione-S-transferase or into 5,6-di-HETE by the epoxide-hydrolase. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene A4 : A leukotriene that is the (5S,6S)-epoxy derivative of (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid. | 1.97 | 1 | 0 | epoxy fatty acid; leukotriene; long-chain fatty acid; oxylipin; polyunsaturated fatty acid | human metabolite; mouse metabolite; plant metabolite |
luteolin [no description available] | 2.05 | 1 | 0 | 3'-hydroxyflavonoid; tetrahydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; c-Jun N-terminal kinase inhibitor; EC 2.3.1.85 (fatty acid synthase) inhibitor; immunomodulator; nephroprotective agent; plant metabolite; radical scavenger; vascular endothelial growth factor receptor antagonist |
linoleic acid Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 2.03 | 1 | 0 | octadecadienoic acid; omega-6 fatty acid | algal metabolite; Daphnia galeata metabolite; plant metabolite |
beta carotene beta Carotene: A carotenoid that is a precursor of VITAMIN A. Beta carotene is administered to reduce the severity of photosensitivity reactions in patients with erythropoietic protoporphyria (PORPHYRIA, ERYTHROPOIETIC).. provitamin A : A provitamin that can be converted into vitamin A by enzymes from animal tissues. | 2.42 | 2 | 0 | carotenoid beta-end derivative; cyclic carotene | antioxidant; biological pigment; cofactor; ferroptosis inhibitor; human metabolite; mouse metabolite; plant metabolite; provitamin A |
leukotriene b4 Leukotriene B4: The major metabolite in neutrophil polymorphonuclear leukocytes. It stimulates polymorphonuclear cell function (degranulation, formation of oxygen-centered free radicals, arachidonic acid release, and metabolism). (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene B4 : A leukotriene composed of (6Z,8E,10E,14Z)-icosatetraenoic acid having (5S)- and (12R)-hydroxy substituents. It is a lipid mediator of inflammation that is generated from arachidonic acid via the 5-lipoxygenase pathway. | 3.59 | 9 | 0 | dihydroxy monocarboxylic acid; hydroxy polyunsaturated fatty acid; leukotriene; long-chain fatty acid | human metabolite; mouse metabolite; plant metabolite; vasoconstrictor agent |
thromboxane a2 Thromboxane A2: An unstable intermediate between the prostaglandin endoperoxides and thromboxane B2. The compound has a bicyclic oxaneoxetane structure. It is a potent inducer of platelet aggregation and causes vasoconstriction. It is the principal component of rabbit aorta contracting substance (RCS).. thromboxane A2 : A thromboxane which is produced by activated platelets and has prothrombotic properties: it stimulates activation of new platelets as well as increases platelet aggregation. | 4.75 | 7 | 1 | epoxy monocarboxylic acid; thromboxanes A | mouse metabolite |
alprostadil [no description available] | 7.4 | 14 | 3 | prostaglandins E | anticoagulant; human metabolite; platelet aggregation inhibitor; vasodilator agent |
6-ketoprostaglandin f1 alpha 6-Ketoprostaglandin F1 alpha: The physiologically active and stable hydrolysis product of EPOPROSTENOL. Found in nearly all mammalian tissue.. 6-oxoprostaglandin F1alpha : A prostaglandin Falpha that is prostaglandin F1alpha bearing a keto substituent at the 6-position. | 3.24 | 6 | 0 | prostaglandins Falpha | human metabolite; mouse metabolite |
prostaglandin f1 prostaglandin F1: was EN to PROSTAGLANDINS F (75-81); RN given refers to (9 alpha,11 alpha,13E,15S)-isomer | 1.97 | 1 | 0 | prostaglandins Falpha | human metabolite |
genistein [no description available] | 3.26 | 6 | 0 | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor |
baicalein [no description available] | 2.04 | 1 | 0 | trihydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.31 (arachidonate 12-lipoxygenase) inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; ferroptosis inhibitor; geroprotector; hormone antagonist; plant metabolite; prostaglandin antagonist; radical scavenger |
fisetin [no description available] | 2.04 | 1 | 0 | 3'-hydroxyflavonoid; 7-hydroxyflavonol; tetrahydroxyflavone | anti-inflammatory agent; antioxidant; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; metabolite; plant metabolite |
3-methylquercetin isorhamnetin : A monomethoxyflavone that is quercetin in which the hydroxy group at position 3' is replaced by a methoxy group. | 2.05 | 1 | 0 | 7-hydroxyflavonol; monomethoxyflavone; tetrahydroxyflavone | anticoagulant; EC 1.14.18.1 (tyrosinase) inhibitor; metabolite |
morin morin: a light yellowish pigment found in the wood of old fustic (Chlorophora tinctoria). morin : A pentahydroxyflavone that is 7-hydroxyflavonol bearing three additional hydroxy substituents at positions 2' 4' and 5. | 2.42 | 2 | 0 | 7-hydroxyflavonol; pentahydroxyflavone | angiogenesis modulating agent; anti-inflammatory agent; antibacterial agent; antihypertensive agent; antineoplastic agent; antioxidant; EC 5.99.1.2 (DNA topoisomerase) inhibitor; hepatoprotective agent; metabolite; neuroprotective agent |
myricetin [no description available] | 2.06 | 1 | 0 | 7-hydroxyflavonol; hexahydroxyflavone | antineoplastic agent; antioxidant; cyclooxygenase 1 inhibitor; food component; geroprotector; hypoglycemic agent; plant metabolite |
daidzein [no description available] | 2 | 1 | 0 | 7-hydroxyisoflavones | antineoplastic agent; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; phytoestrogen; plant metabolite |
rottlerin rottlerin: an angiogenesis inhibitor; an inhibitor of protein kinase Cdelta (PKCdelta) and calmodulin kinase III; RN refers to (E)-isomer; do not confuse this chalcone with an anthraquinone that is also called rottlerin (RN 481-72-1);. rottlerin : A chromenol that is 2,2-dimethyl-2H-chromene substituted by hydroxy groups at positions 5 and 7, a 3-acetyl-2,4,6-trihydroxy-5-methylbenzyl group at position 6 and a (1E)-3-oxo-1-phenylprop-1-en-3-yl group at position 8. A potassium channel opener, it is isolated from Mallotus philippensis. | 2.06 | 1 | 0 | aromatic ketone; benzenetriol; chromenol; enone; methyl ketone | anti-allergic agent; antihypertensive agent; antineoplastic agent; apoptosis inducer; K-ATP channel agonist; metabolite |
prostaglandin a1 [no description available] | 1.98 | 1 | 0 | prostaglandins A | |
coenzyme q10 coenzyme Q10: Ubiquinone ring with a chain of 10 isoprene units; redox equilibrium with ubiqunol serving in mitochondrial inner membrane to transfer electrons; presence during reconstitution of acetylcholine receptor into phospholipid vesicles yields vesicles active in catalyzing carbamylcholine-sensitive Na+ flux; coenzyme Q10 depletion has been noted with use of statins. coenzyme Q10 : A ubiquinone having a side chain of 10 isoprenoid units. In the naturally occurring isomer, all isoprenyl double bonds are in the E- configuration. | 2.42 | 2 | 0 | ubiquinones | antioxidant; ferroptosis inhibitor; human metabolite |
4-acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic acid 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid: A non-penetrating amino reagent (commonly called SITS) which acts as an inhibitor of anion transport in erythrocytes and other cells. | 2.03 | 1 | 0 | stilbenoid | |
8-epi-prostaglandin f2alpha 8-epi-prostaglandin F2alpha: a potent preglomerular vasoconstrictor acting principally through thromboxane A2 receptor activation. 8-epi-prostaglandin F2alpha : An isoprostane that is prostaglandin F2alpha having inverted stereochemistry at the 8-position. | 2.4 | 2 | 0 | F2-isoprostane | biomarker; bronchoconstrictor agent; vasoconstrictor agent |
thromboxane b2 Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 4.47 | 5 | 1 | thromboxanes B | human metabolite; mouse metabolite |
4-hydroxy-2-nonenal 4-hydroxy-2-nonenal: cytotoxic product from peroxidation of liver microsomal lipids; RN given refers to cpd without isomeric designation. 4-hydroxynon-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position and a hydroxy group at the 4-position.. 4-hydroxynonenal : A monounsaturated fatty aldehyde that is nonanal that has undergone dehydrogenation to introduce a double bond at any position in the aliphatic chain and in which a hydrogen at position 4 has been replaced by a hydroxy group. | 3.28 | 6 | 0 | 4-hydroxynon-2-enal; 4-hydroxynonenal | |
naloxone Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.. naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. | 2.94 | 4 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary alcohol | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
morphine Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | 3.1 | 5 | 0 | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
iloprost Iloprost: An eicosanoid, derived from the cyclooxygenase pathway of arachidonic acid metabolism. It is a stable and synthetic analog of EPOPROSTENOL, but with a longer half-life than the parent compound. Its actions are similar to prostacyclin. Iloprost produces vasodilation and inhibits platelet aggregation.. iloprost : A carbobicyclic compound that is prostaglandin I2 in which the endocyclic oxygen is replaced by a methylene group and in which the (1E,3S)-3-hydroxyoct-1-en-1-yl side chain is replaced by a (3R)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl group. A synthetic analogue of prostacyclin, it is used as the trometamol salt (generally by intravenous infusion) for the treatment of peripheral vascular disease and pulmonary hypertension. | 5.33 | 18 | 0 | carbobicyclic compound; monocarboxylic acid; secondary alcohol | platelet aggregation inhibitor; vasodilator agent |
15-deoxy-delta(12,14)-prostaglandin j2 15-deoxy-delta(12,14)-prostaglandin J2: 15-deoxy-PGJ2 is also available; check for double bonds (indicated by delta) at 12 and 14 positions. 15-deoxy-Delta(12,14)-prostaglandin J2 : A prostaglandin J derivative comprising prostaglandin J2 lacking the 15-hydroxy group and having C=C double bonds at the 12- and 14-positions. | 2.02 | 1 | 0 | prostaglandins J | electrophilic reagent; insulin-sensitizing drug; metabolite |
lysophosphatidylcholines lysophosphatidylcholine : An acylglycerophosphocholine resulting from partial hydrolysis of a phosphatidylcholine, which removes one of the fatty acyl groups. The structure is depicted in the image where R1 = acyl, R2 = H or where R1 = H, R2 = acyl. | 2 | 1 | 0 | 1-O-acyl-sn-glycero-3-phosphocholine | |
cytochalasin b Cytochalasin B: A cytotoxic member of the CYTOCHALASINS.. cytochalasin B : An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments. | 2.39 | 2 | 0 | cytochalasin; lactam; lactone; organic heterotricyclic compound | actin polymerisation inhibitor; metabolite; mycotoxin; platelet aggregation inhibitor |
kn 93 KN 93: reduces dopamine content in PC12h cells. KN-93 : A sulfonamide resulting from the formal condensation of p-methoxybenzenesulfonic acid with the anilino nitrogen of 2-(aminomethyl)-N-(2-hydroxyethyl)aniline in which the hydrogens of the primary amino group have been replaced by methyl and p-chlorocinnamyl groups. KN-93 is a selective inhibitor of Ca(2+)/calmodulin-dependent protein kinase II. | 2.01 | 1 | 0 | monochlorobenzenes; monomethoxybenzene; primary alcohol; sulfonamide; tertiary amino compound | EC 2.7.11.17 (Ca(2+)/calmodulin-dependent protein kinase) inhibitor; geroprotector |
casein kinase ii Casein Kinase II: A ubiquitous casein kinase that is comprised of two distinct catalytic subunits and dimeric regulatory subunit. Casein kinase II has been shown to phosphorylate a large number of substrates, many of which are proteins involved in the regulation of gene expression. | 2.07 | 1 | 0 | ||
tyrphostin ag-494 AG 494: tyrphostin that blocks Cdk2 activation; structure in first source | 2 | 1 | 0 | ||
13-hydroperoxy-9,11-octadecadienoic acid 13-hydroperoxy-9,11-octadecadienoic acid: RN given refers to (E,Z)-isomer; RN for unspecified isomer not in Chemline 8/12/83. 13-HPODE : An HPODE (hydroperoxyoctadecadienoic acid) in which the double bonds are at positions 9 and 11 (E and Z geometry, respectively) and the hydroperoxy group is at position 13. | 2.04 | 1 | 0 | hydroperoxy polyunsaturated fatty acid; octadecadienoic acid | |
5,5',6,6'-tetrachloro-1,1',3,3'-tetraethylbenzimidazolocarbocyanine 5,5',6,6'-tetrachloro-1,1',3,3'-tetraethylbenzimidazolocarbocyanine: structure given in first source. 1,1',3,3'-tetraethyl-5,5',6,6'-tetrachloroimidacarbocyanine : The cationic form of a C3 cyanine dye having 1,3-diethyl-5,6-dichloroindoleinine units at each end. | 2.48 | 2 | 0 | cyanine dye; indolium ion | fluorochrome |
molsidomine [no description available] | 2.13 | 1 | 0 | ethyl ester; morpholines; oxadiazole; zwitterion | antioxidant; apoptosis inhibitor; cardioprotective agent; nitric oxide donor; vasodilator agent |
15-hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic acid 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid: A stable prostaglandin endoperoxide analog which serves as a thromboxane mimetic. Its actions include mimicking the hydro-osmotic effect of VASOPRESSIN and activation of TYPE C PHOSPHOLIPASES. (From J Pharmacol Exp Ther 1983;224(1): 108-117; Biochem J 1984;222(1):103-110) | 2.92 | 4 | 0 | ||
barium Barium: An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. | 2.01 | 1 | 0 | alkaline earth metal atom; elemental barium | |
aluminum Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.01 | 1 | 0 | boron group element atom; elemental aluminium; metal atom | |
strontium Strontium: An element of the alkaline earth family of metals. It has the atomic symbol Sr, atomic number 38, and atomic weight 87.62. | 1.99 | 1 | 0 | alkaline earth metal atom | |
naltrexone Naltrexone: Derivative of noroxymorphone that is the N-cyclopropylmethyl congener of NALOXONE. It is a narcotic antagonist that is effective orally, longer lasting and more potent than naloxone, and has been proposed for the treatment of heroin addiction. The FDA has approved naltrexone for the treatment of alcohol dependence.. naltrexone : An organic heteropentacyclic compound that is naloxone substituted in which the allyl group attached to the nitrogen is replaced by a cyclopropylmethyl group. A mu-opioid receptor antagonist, it is used to treat alcohol dependence. | 2.42 | 2 | 0 | cyclopropanes; morphinane-like compound; organic heteropentacyclic compound | antidote to opioid poisoning; central nervous system depressant; environmental contaminant; mu-opioid receptor antagonist; xenobiotic |
dextromethorphan Dextromethorphan: Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, including the medullary cough center. This compound is an NMDA receptor antagonist (RECEPTORS, N-METHYL-D-ASPARTATE) and acts as a non-competitive channel blocker. It is one of the widely used ANTITUSSIVES, and is also used to study the involvement of glutamate receptors in neurotoxicity.. dextromethorphan : A 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the sterocenters at positions 4a, 10 and 10a have S-configuration. It is a prodrug of dextrorphan and used as an antitussive drug for suppressing cough. | 2 | 1 | 0 | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene | antitussive; environmental contaminant; neurotoxin; NMDA receptor antagonist; oneirogen; prodrug; xenobiotic |
sulfur Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. | 2 | 1 | 0 | chalcogen; nonmetal atom | macronutrient |
enalapril Enalapril: An angiotensin-converting enzyme inhibitor that is used to treat HYPERTENSION and HEART FAILURE.. enalapril : A dicarboxylic acid monoester that is ethyl 4-phenylbutanoate in which a hydrogen alpha to the carboxy group is substituted by the amino group of L-alanyl-L-proline (S-configuration). | 1.98 | 1 | 0 | dicarboxylic acid monoester; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor; geroprotector; prodrug |
deoxyribose [no description available] | 2.67 | 3 | 0 | deoxypentose | human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
cysteine Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3. | 4.81 | 32 | 0 | cysteinium | fundamental metabolite |
enalaprilat anhydrous Enalaprilat: The active metabolite of ENALAPRIL and one of the potent, intravenously administered, ANGIOTENSIN-CONVERTING ENZYME INHIBITORS. It is an effective agent for the treatment of essential hypertension and has beneficial hemodynamic effects in heart failure. The drug produces renal vasodilation with an increase in sodium excretion.. enalaprilat dihydrate : The dihydrate form of enalaprilat, an angiotensin-converting enzyme (ACE) inhibitor that is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is administered by intravenous injection.. enalaprilat (anhydrous) : Enalapril in which the ethyl ester group has been hydrolysed to the corresponding carboxylic acid. Enalaprilat is an angiotensin-converting enzyme (ACE) inhibitor and is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is given by intravenous injection, usually as the dihydrate. | 2 | 1 | 0 | dicarboxylic acid; dipeptide | antihypertensive agent; EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
pepstatin pepstatin: inhibits the aspartic protease endothiapepsin | 2.02 | 1 | 0 | pentapeptide; secondary carboxamide | bacterial metabolite; EC 3.4.23.* (aspartic endopeptidase) inhibitor |
norbinaltorphimine norbinaltorphimine: kappa opiate receptor antagonist; structure given in first source | 2.01 | 1 | 0 | isoquinolines | |
enkephalin, ala(2)-mephe(4)-gly(5)- Enkephalin, Ala(2)-MePhe(4)-Gly(5)-: An enkephalin analog that selectively binds to the MU OPIOID RECEPTOR. It is used as a model for drug permeability experiments. | 2.02 | 1 | 0 | ||
n-methylnaloxone N-methylnaloxone: quaternary derivative of naloxone | 2.05 | 1 | 0 | ||
n-nitratopivaloyl-s-(n'-acetylalanyl)-cysteine ethyl ester N-nitratopivaloyl-S-(N'-acetylalanyl)-cysteine ethyl ester: a cysteine-containing NO donor in myocardial ischemia-reperfusion | 1.98 | 1 | 0 | ||
oxyhyponitrite oxyhyponitrite: nitrosating agent; structure given in first source; RN given refers to parent acid | 2.41 | 2 | 0 | ||
naltrindole naltrindole: delta opioid receptor antagonist | 2.03 | 1 | 0 | isoquinolines | |
carbocyanines Carbocyanines: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials. | 2.79 | 3 | 0 | cyanine dye; organic iodide salt | fluorochrome |
bisabolol bisabolol: monocyclic sesquiterpene alcohol with strong bacteriocidal effects, especilly against M. Tuberc.; isolated from seed plant Populus tacamacaha; RN given refers to cpd without isomeric desigation | 2.05 | 1 | 0 | ||
mastoparan [no description available] | 1.98 | 1 | 0 | mastoparans; peptidyl amide | antimicrobial agent |
tetrodotoxin Tetrodotoxin: An aminoperhydroquinazoline poison found mainly in the liver and ovaries of fishes in the order TETRAODONTIFORMES, which are eaten. The toxin causes paresthesia and paralysis through interference with neuromuscular conduction.. tetrodotoxin : A quinazoline alkaloid that is a marine toxin isolated from fish such as puffer fish. It has been shown to exhibit potential neutotoxicity due to its ability to block voltage-gated sodium channels. | 3.6 | 9 | 0 | azatetracycloalkane; oxatetracycloalkane; quinazoline alkaloid | animal metabolite; bacterial metabolite; marine metabolite; neurotoxin; voltage-gated sodium channel blocker |
selenium Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 1.99 | 1 | 0 | chalcogen; nonmetal atom | micronutrient |
selenocysteine Selenocysteine: A naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino acid.. selenocysteine : An alpha-amino acid that consists of alanine where one of the methyl hydrogens is substituted with a seleno group. | 1.99 | 1 | 0 | ||
tellurium Tellurium: An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression. | 2.02 | 1 | 0 | chalcogen; metalloid atom | |
1,1-diethyl-2-hydroxy-2-nitrosohydrazine 1,1-diethyl-2-hydroxy-2-nitrosohydrazine: RN given in first source; RN refers to ion(1-); do not confuse with DEA-NO cpd | 3.95 | 13 | 0 | organic anion | |
diacetylmonoxime diacetylmonoxime: used diagnostically for determining urea in blood; structure; myosin ATPase antagonist. diacetylmonoxime : A ketoxime obtained via formal condensation of butane-2,3-dione with hydroxylamine. It is a reversible myosin ATPase inhibitor. | 1.99 | 1 | 0 | ||
fk 409 FK 409: structure given in first source; from Streptomyces griseoporeus | 3.26 | 6 | 0 | ||
dizocilpine maleate Dizocilpine Maleate: A potent noncompetitive antagonist of the NMDA receptor (RECEPTORS, N-METHYL-D-ASPARTATE) used mainly as a research tool. The drug has been considered for the wide variety of neurodegenerative conditions or disorders in which NMDA receptors may play an important role. Its use has been primarily limited to animal and tissue experiments because of its psychotropic effects.. dizocilpine maleate : A maleate salt obtained by reaction of dizocilpine with one equivalent of maleic acid. | 2.92 | 4 | 0 | maleate salt; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist |
antimycin a Antimycin A: An antibiotic substance produced by Streptomyces species. It inhibits mitochondrial respiration and may deplete cellular levels of ATP. Antimycin A1 has been used as a fungicide, insecticide, and miticide. (From Merck Index, 12th ed). antimycin A : A nine-membered bis-lactone having methyl substituents at the 2- and 6-positions, an n-hexyl substituent at the 8-position, an acyloxy substituent at the 7-position and an aroylamido substituent at the 3-position. It is produced by Streptomyces bacteria and has found commercial use as a fish poison. | 1.98 | 1 | 0 | amidobenzoic acid | |
1-palmitoyl-2-linoleoylphosphatidylcholine [no description available] | 2.01 | 1 | 0 | ||
hydroxysafflor yellow a hydroxysafflor yellow A: from Carthamus tinctorius; structure given in first source. hydroxysafflor yellow A : A C-glycosyl compound that is 3,4,5-trihydroxycyclohexa-2,5-dien-1-one which is substituted by beta-D-glucosyl groups at positions 2 and 4, and by a p-hydroxycinnamoyl group at position 6. It is the main bioactive compound of a traditional Chinese medicine obtained from safflower (Carthamus tinctorius). | 2.17 | 1 | 0 | ||
fm1 43 FM1 43: labels motor nerve terminals in an activity-dependent fashion that involves dye uptake by synaptic vesicles that are recycling; structure given in second source | 1.98 | 1 | 0 | organic bromide salt; pyridinium salt; quaternary ammonium salt; tertiary amine | fluorochrome |
beta-escin [no description available] | 2.07 | 1 | 0 | ||
s-nitroso-n-acetylpenicillamine S-Nitroso-N-Acetylpenicillamine: A sulfur-containing alkyl thionitrite that is one of the NITRIC OXIDE DONORS. | 6.05 | 115 | 0 | nitroso compound; nitrosothio compound | nitric oxide donor; vasodilator agent |
adenosine-3',5'-cyclic phosphorothioate adenosine-3',5'-cyclic phosphorothioate: RP-cAMP-S is a protein kinase A inhibitor; SP-cAMP-S is a protein kinase A agonist. (Sp)-cAMPS : A nucleoside 3',5'-cyclic phosphorothioate having adenine as the nucleobase (the Sp-stereoisomer).. (Rp)-cAMPS : A nucleoside 3',5'-cyclic phosphorothioate having adenine as the nucleobase (the Rp-stereoisomer). | 2 | 1 | 0 | nucleoside 3',5'-cyclic phosphorothioate | |
sq-23377 Ionomycin: A divalent calcium ionophore that is widely used as a tool to investigate the role of intracellular calcium in cellular processes.. ionomycin : A very long-chain fatty acid that is docosa-10,16-dienoic acid which is substituted by methyl groups at positions 4, 6, 8, 12, 14, 18 and 20, by hydroxy groups at positions 11, 19 and 21, and by a (2',5-dimethyloctahydro-2,2'-bifuran-5-yl)ethanol group at position 21. An ionophore produced by Streptomyces conglobatus, it is used in research to raise the intracellular level of Ca(2+) and as a research tool to understand Ca(2+) transport across biological membranes. | 2.39 | 2 | 0 | cyclic ether; enol; polyunsaturated fatty acid; very long-chain fatty acid | calcium ionophore; metabolite |
8-bromo-beta-phenyl-1,n(2)-ethenoguanosine 3',5'-cyclic monophosphorothioate 8-bromo-beta-phenyl-1,N(2)-ethenoguanosine 3',5'-cyclic monophosphorothioate: RN refers to (S)-isomer; protein kinase G inhibitor; structure given in first source | 1.98 | 1 | 0 | ||
5-((4-prop-2-ynylpiperazin-1-yl)methyl)quinolin-8-ol 5-((4-prop-2-ynylpiperazin-1-yl)methyl)quinolin-8-ol: InChIKey JWUOZHTYFQHGAB-UHFFFAOYSA-N | 2.05 | 1 | 0 | ||
staurosporine staurosporinium : Conjugate acid of staurosporine. | 3.39 | 7 | 0 | ammonium ion derivative | |
chloralose Chloralose: A derivative of CHLORAL HYDRATE that was used as a sedative but has been replaced by safer and more effective drugs. Its most common use is as a general anesthetic in animal experiments. | 2.01 | 1 | 0 | ||
pirsidomine pirsidomine: a sydnonimine with direct vasodilating and nitric oxide-donating properties; structure given in first source | 2.39 | 2 | 0 | ||
sin 1c SIN 1C: a metabolite of molsidomine | 2.91 | 4 | 0 | ||
s-nitrosocysteine S-nitrosocysteine: A sulfur-containing alkyl thionitrite that is a nitric oxide donor.. S-nitroso-L-cysteine : An L-cysteine derivative in which the sulfur atom carries a nitroso substituent. A cell-permeable low-molecular-weight nitrosothiol and nitric oxide donor. | 3.95 | 13 | 0 | L-cysteine derivative; nitrosothio compound | hematologic agent; platelet aggregation inhibitor; vasodilator agent |
ncx 4040 [no description available] | 2.02 | 1 | 0 | ||
ci 1044 CI 1044: inhibits PDE4; structure in first source | 2.06 | 1 | 0 | ||
mocetinostat mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11). | 2.95 | 4 | 0 | aminopyrimidine; benzamides; pyridines; secondary amino compound; secondary carboxamide; substituted aniline | antineoplastic agent; apoptosis inducer; autophagy inducer; cardioprotective agent; EC 3.5.1.98 (histone deacetylase) inhibitor; hepatotoxic agent |
lipid a Lipid A: Lipid A is the biologically active component of lipopolysaccharides. It shows strong endotoxic activity and exhibits immunogenic properties.. lipid A : The glycolipid moiety of bacterial lipopolysaccharide (R can be either hydrogen or a fatty acyl group). | 2 | 1 | 0 | dodecanoate ester; lipid A; tetradecanoate ester | Escherichia coli metabolite |
naproxen-n-butyl nitrate naproxen-n-butyl nitrate: a nitric oxide-releasing NSAID derivative. naproxcinod : A carboxylic ester obtained by formal condensation of the carboxy group of naproxen with the hydroxy group of 4-(nitrooxy)butanol. A cyclooxygenase-inhibiting nitric oxide donator that is metabolised to naproxen and a nitric oxide donating moiety, effective in treatment of osteoarthritis. | 2.02 | 1 | 0 | carboxylic ester; methoxynaphthalene; nitrate ester | EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; nitric oxide donor; non-narcotic analgesic; non-steroidal anti-inflammatory drug; prodrug |
benzyloxycarbonyl-isoleucyl-glutamyl(o-tert-butyl)-alanyl-leucinal benzyloxycarbonyl-isoleucyl-glutamyl(O-tert-butyl)-alanyl-leucinal: inhibits chymotrypsin activity of the proteasome | 2.01 | 1 | 0 | ||
ubiquinol ubiquinol: reduced forms of ubiquinone; see also record for ubiquinol 10. ubiquinol-10 : A ubiquinol in which the polyprenyl substituent is decaprenyl. | 3.38 | 1 | 1 | polyprenylhydroquinone; ubiquinol | biomarker; metabolite |
neoechinulin a neoechinulin A: from the marine-derived fungus Aspergillus sp.; structure in first source | 2.74 | 3 | 0 | ||
alpha-synuclein alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection. | 3.13 | 5 | 0 | ||
oxadiazoles Oxadiazoles: Compounds containing five-membered heteroaromatic rings containing two carbons, two nitrogens, and one oxygen atom which exist in various regioisomeric forms. | 7.27 | 55 | 2 | ||
ucn 1028 c calphostin C: structure given in first source; isolated from Cladosporium cladosporioides | 2 | 1 | 0 | ||
8-oxo-2'-deoxyadenosine 8-hydroxy-2'-deoxyadenosine: structure in first source | 2.01 | 1 | 0 | purine 2'-deoxyribonucleoside | |
nitrosonium tetrafluoroborate [no description available] | 2.39 | 2 | 0 | ||
calpain inhibitor iii calpain inhibitor III: potential anticataract drug | 1.99 | 1 | 0 | ||
nystatin a1 Nystatin: Macrolide antifungal antibiotic complex produced by Streptomyces noursei, S. aureus, and other Streptomyces species. The biologically active components of the complex are nystatin A1, A2, and A3.. nystatin : A heterogeneous mixture of polyene compounds produced by cultures of Streptomyces noursei. It mainly consists of three biologically active components designated nystatin A1, nystatin A2, and nystatin A3. It is used to treat oral and dermal fungal infections.. nystatin A1 : A polyene macrolide antibiotic; part of the nystatin complex produced by several Streptomyces species. It is an antifungal antibiotic used for the treatment of topical fungal infections caused by a broad spectrum of fungal pathogens comprising yeast-like and filamentous species. | 1.99 | 1 | 0 | nystatins | |
losartan potassium Erythropoietin: Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation. | 1.99 | 1 | 0 | ||
calcimycin Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. | 5.2 | 19 | 0 | benzoxazole | |
indocyanine green Indocyanine Green: A tricarbocyanine dye that is used diagnostically in liver function tests and to determine blood volume and cardiac output. | 1.96 | 1 | 0 | 1,1-diunsubstituted alkanesulfonate; benzoindole; cyanine dye | |
pituitrin Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 2.91 | 4 | 0 | ||
alloin barbaloin: RN given refers to (R)-isomer; source for isobarbaloin is Biol Pharm Bull 1998 Nov; 21(11):1226-7 | 2.15 | 1 | 0 | ||
acid phosphatase Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2. | 1.99 | 1 | 0 | ||
icatibant icatibant: a potent bradykinin (B2) receptor antagonist; WIN 65365 is an L-Tic(7) stereoisomer. icatibant : A ten-membered synthetic oligopeptide consisting of D-Arg, Arg, Pro, Hyp, Gly, Thi, Ser, D-Tic, Oic, and Arg residues joined in sequrence. A bradykinin receptor antagonist used as its acetate salt for the treatment of acute attacks of hereditary angioedema in adult patients. | 2 | 1 | 0 | ||
nad NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety. | 4.01 | 14 | 0 | organophosphate oxoanion | cofactor; human metabolite; hydrogen acceptor; Saccharomyces cerevisiae metabolite |
cytochrome c-t Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.94 | 4 | 0 | ||
dynorphins Dynorphins: A class of opioid peptides including dynorphin A, dynorphin B, and smaller fragments of these peptides. Dynorphins prefer kappa-opioid receptors (RECEPTORS, OPIOID, KAPPA) and have been shown to play a role as central nervous system transmitters. | 2.42 | 2 | 0 | ||
atrial natriuretic factor Atrial Natriuretic Factor: A potent natriuretic and vasodilatory peptide or mixture of different-sized low molecular weight PEPTIDES derived from a common precursor and secreted mainly by the HEART ATRIUM. All these peptides share a sequence of about 20 AMINO ACIDS. | 4.07 | 15 | 0 | polypeptide | |
glucagon Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 2.04 | 1 | 0 | peptide hormone | |
beta-endorphin beta-Endorphin: A 31-amino acid peptide that is the C-terminal fragment of BETA-LIPOTROPIN. It acts on OPIOID RECEPTORS and is an analgesic. Its first four amino acids at the N-terminal are identical to the tetrapeptide sequence of METHIONINE ENKEPHALIN and LEUCINE ENKEPHALIN.. beta-endorphin : A polypeptide consisting of 31 amino acid residues in the sequence Tyr-Gly-Gly-Phe-Met-Thr-Ser-Glu-Lys-Ser-Gln-Thr-Pro-Leu-Val-Thr-Leu-Phe-Lys-Asn-Ala-Ile-Ile-Lys-Asn-Ala-Tyr-Lys-Lys-Gly-Glu. It is an endogenous opioid peptide neurotransmitter found in the neurons of both the central and peripheral nervous system and results from processing of the precursor protein proopiomelanocortin (POMC). | 1.98 | 1 | 0 | ||
neuropeptide y Neuropeptide Y: A 36-amino acid peptide present in many organs and in many sympathetic noradrenergic neurons. It has vasoconstrictor and natriuretic activity and regulates local blood flow, glandular secretion, and smooth muscle activity. The peptide also stimulates feeding and drinking behavior and influences secretion of pituitary hormones. | 2.4 | 2 | 0 | ||
iberiotoxin [no description available] | 3.5 | 8 | 0 | ||
oligonucleotides [no description available] | 2 | 1 | 0 | ||
natriuretic peptide, c-type Natriuretic Peptide, C-Type: A PEPTIDE of 22 amino acids, derived mainly from cells of VASCULAR ENDOTHELIUM. It is also found in the BRAIN, major endocrine glands, and other tissues. It shares structural homology with ATRIAL NATRIURETIC FACTOR. It has vasorelaxant activity thus is important in the regulation of vascular tone and blood flow. Several high molecular weight forms containing the 22 amino acids have been identified. | 2.71 | 3 | 0 | ||
endothelin-1 Endothelin-1: A 21-amino acid peptide produced in a variety of tissues including endothelial and vascular smooth-muscle cells, neurons and astrocytes in the central nervous system, and endometrial cells. It acts as a modulator of vasomotor tone, cell proliferation, and hormone production. (N Eng J Med 1995;333(6):356-63) | 3.79 | 11 | 0 | ||
phosphatidylcholines Phosphatidylcholines: Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. | 2.7 | 3 | 0 | 1,2-diacyl-sn-glycero-3-phosphocholine | |
ubiquinone Ubiquinone: A lipid-soluble benzoquinone which is involved in ELECTRON TRANSPORT in mitochondrial preparations. The compound occurs in the majority of aerobic organisms, from bacteria to higher plants and animals. | 4.08 | 3 | 1 | ||
s-nitrosopenicillamine S-nitrosopenicillamine: activates bovine coronary arterial & rat hepatic soluble guanylate cyclase | 2.05 | 1 | 0 | ||
9-(tetrahydro-2-furyl)-adenine [no description available] | 2.41 | 2 | 0 | ||
s-nitro-n-acetylpenicillamine S-nitro-N-acetylpenicillamine: a NO donor | 5.07 | 42 | 0 | ||
bucladesine Bucladesine: A cyclic nucleotide derivative that mimics the action of endogenous CYCLIC AMP and is capable of permeating the cell membrane. It has vasodilator properties and is used as a cardiac stimulant. (From Merck Index, 11th ed). bucladesine : A 3',5'-cyclic purine nucleotide that is the 2'-butanoate ester and 6-N-butanoyl derivative of 3',5'-cyclic AMP. | 2.43 | 2 | 0 | 3',5'-cyclic purine nucleotide | |
sodium nitrite Sodium Nitrite: Nitrous acid sodium salt. Used in many industrial processes, in meat curing, coloring, and preserving, and as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines.. sodium nitrite : An inorganic sodium salt having nitrite as the counterion. Used as a food preservative and antidote to cyanide poisoning. | 4.13 | 16 | 0 | inorganic sodium salt; nitrite salt | antidote to cyanide poisoning; antihypertensive agent; antimicrobial food preservative; food antioxidant; poison |
chiniofon Hydroxyquinolines: The 8-hydroxy derivatives inhibit various enzymes and their halogenated derivatives, though neurotoxic, are used as topical anti-infective agents, among other uses. | 2.05 | 1 | 0 | ||
cardiovascular agents Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 1.99 | 1 | 0 | ||
guanidinosuccinic acid guanidinosuccinic acid: a metabolite in uremia; metabolic product of amino acid metabolism; RN given refers to (L)-isomer. N-amidino-L-aspartate(1-) : Conjugate base of N-amidino-L-aspartate arising from deprotonation of the carboxy groups and protonation of the guanidino group; major species at pH 7.3. | 2.7 | 3 | 0 | L-alpha-amino acid anion | |
piperidines Piperidines: A family of hexahydropyridines. | 3.25 | 6 | 0 | ||
interleukin-8 Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 3.51 | 8 | 0 | ||
phillyrin [no description available] | 2.04 | 1 | 0 | ||
fructose-1,6-diphosphate fructose-1,6-diphosphate: RN refers to (D)-isomer | 2.01 | 1 | 0 | ||
vasoactive intestinal peptide Vasoactive Intestinal Peptide: A highly basic, 28 amino acid neuropeptide released from intestinal mucosa. It has a wide range of biological actions affecting the cardiovascular, gastrointestinal, and respiratory systems and is neuroprotective. It binds special receptors (RECEPTORS, VASOACTIVE INTESTINAL PEPTIDE). | 4.01 | 14 | 0 | ||
natriuretic peptide, brain Natriuretic Peptide, Brain: A PEPTIDE that is secreted by the BRAIN and the HEART ATRIA, stored mainly in cardiac ventricular MYOCARDIUM. It can cause NATRIURESIS; DIURESIS; VASODILATION; and inhibits secretion of RENIN and ALDOSTERONE. It improves heart function. It contains 32 AMINO ACIDS. | 2.71 | 3 | 0 | polypeptide | |
heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 2.93 | 4 | 0 | ||
heparitin sulfate Heparitin Sulfate: A heteropolysaccharide that is similar in structure to HEPARIN. It accumulates in individuals with MUCOPOLYSACCHARIDOSIS. | 1.98 | 1 | 0 | ||
ascorbic acid Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms. | 4.31 | 19 | 0 | ascorbic acid; vitamin C | coenzyme; cofactor; flour treatment agent; food antioxidant; food colour retention agent; geroprotector; plant metabolite; skin lightening agent |
salicylates Salicylates: The salts or esters of salicylic acids, or salicylate esters of an organic acid. Some of these have analgesic, antipyretic, and anti-inflammatory activities by inhibiting prostaglandin synthesis.. hydroxybenzoate : Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.. salicylates : Any salt or ester arising from reaction of the carboxy group of salicylic acid, or any ester resulting from the condensation of the phenolic hydroxy group of salicylic acid with an organic acid.. salicylate : A monohydroxybenzoate that is the conjugate base of salicylic acid. | 2.69 | 3 | 0 | monohydroxybenzoate | plant metabolite |
epidermal growth factor Epidermal Growth Factor: A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. Epidermal growth factor exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and EPITHELIAL CELLS. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form. | 2.39 | 2 | 0 | ||
charybdotoxin [no description available] | 4.01 | 14 | 0 | ||
transforming growth factor beta Transforming Growth Factor beta: A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducing phenotypic transformation and can also act as a negative autocrine growth factor. TGF-beta has a potential role in embryonal development, cellular differentiation, hormone secretion, and immune function. TGF-beta is found mostly as homodimer forms of separate gene products TGF-beta1, TGF-beta2 or TGF-beta3. Heterodimers composed of TGF-beta1 and 2 (TGF-beta1.2) or of TGF-beta2 and 3 (TGF-beta2.3) have been isolated. The TGF-beta proteins are synthesized as precursor proteins. | 3.26 | 6 | 0 | ||
okadaic acid Okadaic Acid: A specific inhibitor of phosphoserine/threonine protein phosphatase 1 and 2a. It is also a potent tumor promoter. It is produced by DINOFLAGELLATES and causes diarrhetic SHELLFISH POISONING.. okadaic acid : A polycyclic ether that is produced by several species of dinoflagellates, and is known to accumulate in both marine sponges and shellfish. A polyketide, polyether derivative of a C38 fatty acid, it is one of the primary causes of diarrhetic shellfish poisoning (DSP). It is a potent inhibitor of specific protein phosphatases and is known to have a variety of negative effects on cells. | 2.94 | 4 | 0 | ketal | |
3-nitrosotyrosine 3-nitrosotyrosine: structure in first source | 2.05 | 1 | 0 | ||
5-nitro-gamma-tocopherol 5-nitro-gamma-tocopherol: structure in first source | 2.01 | 1 | 0 | ||
hirudin Hirudin: A 65-residue polypeptide from LEECHES. | 1.98 | 1 | 0 | ||
cyclin d1 Cyclin D1: Protein encoded by the bcl-1 gene which plays a critical role in regulating the cell cycle. Overexpression of cyclin D1 is the result of bcl-1 rearrangement, a t(11;14) translocation, and is implicated in various neoplasms. | 2.71 | 3 | 0 | ||
oligomycins Oligomycins: A closely related group of toxic substances elaborated by various strains of Streptomyces. They are 26-membered macrolides with lactone moieties and double bonds and inhibit various ATPases, causing uncoupling of phosphorylation from mitochondrial respiration. Used as tools in cytochemistry. Some specific oligomycins are RUTAMYCIN, peliomycin, and botrycidin (formerly venturicidin X). | 1.97 | 1 | 0 | ||
benzyloxycarbonylvalyl-alanyl-aspartyl fluoromethyl ketone benzyloxycarbonylvalyl-alanyl-aspartyl fluoromethyl ketone: an interleukin-1beta converting enzyme (ICE)-like protease inhibitor | 2.02 | 1 | 0 | ||
kaliotoxin kaliotoxin: peptidyl inhibitor of neuronal BK-type calcium-activated K+ channels from Androctonus mauretanicus mauretanicus venom; MW 4 kDa; amino acid sequence has been determined | 2 | 1 | 0 | ||
angiotensin i Angiotensin I: A decapeptide that is cleaved from precursor angiotensinogen by RENIN. Angiotensin I has limited biological activity. It is converted to angiotensin II, a potent vasoconstrictor, after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME.. angiotensin I : A ten amino acid peptide formed by renin cleavage of angiotensinogen. Angiotensin I has no direct biological function except that high levels can stimulate catecholamine production. It is metabolized to its biologically active byproduct angiotensin II, a potent vasoconstrictor, by angiotensin converting enzyme (ACE) through cleavage of the two terminal amino acids.. angiotensin I dizwitterion : A peptide zwitterion that is the dizwitterionic form of angiotensin I having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3. | 1.99 | 1 | 0 | angiotensin; peptide zwitterion | human metabolite; neurotransmitter agent |
sta 2 STA 2: thromboxane A2 agonist; structure given in first source | 1.99 | 1 | 0 | ||
ginkgolide b [no description available] | 2 | 1 | 0 | ||
nor 4 NOR 4: a nitric oxide (NO)-releasing agent | 2.41 | 2 | 0 | ||
copper bis(3,5-diisopropylsalicylate) copper bis(3,5-diisopropylsalicylate): copper is intricate part of molecule; not copper salt; RN given refers to cpd with specified locants for methylethyl moieties | 1.99 | 1 | 0 | ||
roussin's black salt Roussin's Black Salt: structure given in first source; a nitric oxide generator | 1.99 | 1 | 0 | ||
cyclosporine Cyclosporine: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed). | 3.11 | 5 | 0 | ||
thromboplastin Thromboplastin: Constituent composed of protein and phospholipid that is widely distributed in many tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic pathway of blood coagulation. | 2.02 | 1 | 0 | ||
cord factors Cord Factors: Toxic glycolipids composed of trehalose dimycolate derivatives. They are produced by MYCOBACTERIUM TUBERCULOSIS and other species of MYCOBACTERIUM. They induce cellular dysfunction in animals. | 2.04 | 1 | 0 | ||
amyloid beta-peptides amyloid beta-protein (1-40): although acutely neurotoxic in both rat & monkey cerebral cortex, neuronal degeneration in primates resembles more closely to that found in Alzheimer's disease; amino acid sequence has been determined | 2.1 | 1 | 0 | ||
nu 1025 NU 1064: structure in first source | 2.03 | 1 | 0 | phenols; quinazolines | EC 2.4.2.30 (NAD(+) ADP-ribosyltransferase) inhibitor |
cyclic gmp Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 10.75 | 241 | 2 | 3',5'-cyclic purine nucleotide; guanyl ribonucleotide | Escherichia coli metabolite; human metabolite; mouse metabolite; plant metabolite; Saccharomyces cerevisiae metabolite |
sepiapterin sepiapterin: A substrate of sepiapterin reductase | 2 | 1 | 0 | sepiapterin | |
deoxyguanosine [no description available] | 3.26 | 6 | 0 | purine 2'-deoxyribonucleoside; purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
7,8-dihydroneopterin 7,8-dihydroneopterin: an antioxidant. 7,8-dihydroneopterin : A neopterin where positions C-7 and C-8 have been hydrogenated. | 2.02 | 1 | 0 | dihydropterin; neopterins | Escherichia coli metabolite; human metabolite; metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine triphosphate Guanosine Triphosphate: Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. | 2.38 | 2 | 0 | guanosine 5'-phosphate; purine ribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite; uncoupling protein inhibitor |
guanine [no description available] | 2.42 | 2 | 0 | 2-aminopurines; oxopurine; purine nucleobase | algal metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
guanosine ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 2.41 | 2 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
hypoxanthine [no description available] | 2.69 | 3 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
inosinic acid Inosine Monophosphate: Inosine 5'-Monophosphate. A purine nucleotide which has hypoxanthine as the base and one phosphate group esterified to the sugar moiety. | 2.01 | 1 | 0 | inosine phosphate; purine ribonucleoside 5'-monophosphate | Escherichia coli metabolite; human metabolite; mouse metabolite |
inosine [no description available] | 2.01 | 1 | 0 | inosines; purines D-ribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
sapropterin sapropterin: RN given refers to parent cpd; co-factor required for catalytic activity of nitric oxide synthases. (6R)-5,6,7,8-tetrahydrobiopterin : A 5,6,7,8-tetrahydrobiopterin in which the stereocentre at position 6 has R-configuration.. sapropterin : A tetrahydropterin that is 2-amino-5,6,7,8-tetrahydropteridin-4(3H)-one in which a hydrogen at position 6 is substituted by a 1,2-dihydroxypropyl group (6R,1'R,2'S-enantiomer). | 2.72 | 3 | 0 | 5,6,7,8-tetrahydrobiopterin | coenzyme; cofactor; diagnostic agent; human metabolite |
folic acid folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin. | 2.05 | 1 | 0 | folic acids; N-acyl-amino acid | human metabolite; mouse metabolite; nutrient |
guanosine 5'-o-(3-thiotriphosphate) Guanosine 5'-O-(3-Thiotriphosphate): Guanosine 5'-(trihydrogen diphosphate), monoanhydride with phosphorothioic acid. A stable GTP analog which enjoys a variety of physiological actions such as stimulation of guanine nucleotide-binding proteins, phosphoinositide hydrolysis, cyclic AMP accumulation, and activation of specific proto-oncogenes. | 2.68 | 3 | 0 | nucleoside triphosphate analogue | |
neopterin [no description available] | 2.02 | 1 | 0 | ||
zaprinast zaprinast: anaphylaxis inhibitor; structure | 3.78 | 11 | 0 | triazolopyrimidines | |
8-azaxanthine methanochondroitin: a heteropolysaccharide from cell wall which resembles the eukaryotic chondroitin | 2.01 | 1 | 0 | triazolopyrimidines | |
allopurinol Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.. allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. | 4.4 | 21 | 0 | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
noc 7 3-(2-hydroxy-1-methyl-2-nitrosohydrazino)-N-methyl-1-propanamine: inhibits the secretion of adrenal catecholamines induced by splanchnic nerve stimulation through activation of BK(Ca) channels | 3.1 | 5 | 0 | ||
2,2'-(hydroxynitrosohydrazono)bis-ethanamine 2,2'-(hydroxynitrosohydrazono)bis-ethanamine: a nitric oxide (NO) generating compound. 1,1-bis(2-aminoethyl)-2-hydroxy-3-oxotriazane : A nitroso compound that is triazane in which the the nitrogen at position 1 is substituted by two 2-aminoethyl groups, that at position 2 is substituted by a hydroxy group, and that at position 3 is substituted by an oxo group. | 5.26 | 16 | 0 | ||
noc-5 1-hydroxy-2-oxo-3-(3-aminopropyl)-3-isopropyl-1-triazene: a nitric oxide donor compound. NOC-5 : A nitroso compound that is triazane in which the nitrogen at position 1 is substituted by an isopropyl group and a 3-aminopropyl group, that at position 2 is substituted by a hydroxy group, and that at position 3 is substituted by an oxo group. It is a nitric oxide donor. | 2.42 | 2 | 0 | ||
8-hydroxyguanosine 8-hydroxyguanosine: immunostimulant for B lymphocytes; structure given in first source | 2.05 | 1 | 0 | purine nucleoside | |
noc 18 NOC 18: releases nitric oxide; structure in first source | 3.63 | 9 | 0 | ||
sildenafil citrate Sildenafil Citrate: A PHOSPHODIESTERASE TYPE-5 INHIBITOR; VASODILATOR AGENT and UROLOGICAL AGENT that is used in the treatment of ERECTILE DYSFUNCTION and PRIMARY PULMONARY HYPERTENSION.. sildenafil citrate : The citrate salt of sildenafil. | 4.21 | 5 | 0 | citrate salt | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor; vasodilator agent |
quazinone [no description available] | 2 | 1 | 0 | ||
8-bromocyclic gmp 8-bromo-3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic GMP bearing an additional bromo substituent at position 8 on the guanine ring. A membrane permeable cGMP analogue that activates protein kinase G (PKG). It is 4.3-fold more potent than cGMP in activating PKG1alpha and promotes relaxation of tracheal and vascular smooth muscle tissue in vitro. | 6.81 | 61 | 1 | 3',5'-cyclic purine nucleotide; organobromine compound | muscle relaxant; protein kinase G agonist |
8-hydroxyguanine 7,8-dihydro-8-oxoguanine: was substituted for guanine at G(8), G(9), G(14), or G(15) in the human telomeric oligonucleotide 5'-d[AGGGTTAG(8)G(9)GTT AG(14)G(15)GTTAGGGTGT]-3'. 7,8-dihydro-8-oxoguanine : An oxopurine that is guanine in which the hydrogen at position 8 is replaced by an oxo group and in which the nitrogens at positions 7 and 9 each bear a hydrogen. | 2.03 | 1 | 0 | oxopurine | |
trypan blue Trypan Blue: A diazo-naphthalene sulfonate that is widely used as a stain.. trypan blue : An organosulfonate salt that is the tetrasodium salt of 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid). | 2.39 | 2 | 0 | ||
methylnitronitrosoguanidine Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 2.44 | 2 | 0 | nitroso compound | alkylating agent |
8-hydroxy-2'-deoxyguanosine 8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage. | 3.1 | 5 | 0 | guanosines | biomarker |
8-((4-chlorophenyl)thio)cyclic-3',5'-gmp 8-(4-chlorophenylthio)-cGMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic GMP in which the hydrogen at position 2 on the purine fragment is replaced by a 4-chlorophenylthio group. | 3.6 | 9 | 0 | 3',5'-cyclic purine nucleotide; aryl sulfide; organochlorine compound; ribonucleotide | protein kinase agonist |
cupferron cupferron: superoxide dismutase inhibitor; RN given refers to parent cpd; structure | 2.01 | 1 | 0 | ||
8-nitroguanine [no description available] | 2.01 | 1 | 0 | oxopurine | |
noc 9 NOC 9: nitrogen oxide releaser | 2.7 | 3 | 0 | ||
papa nonoate [no description available] | 3.38 | 7 | 0 | alkylamine | |
neoechinulin neoechinulin: structure | 2.02 | 1 | 0 | ||
2',4'-dimethylbenzamil 2',4'-dimethylbenzamil: affects calcium uptake in cultured arterial smooth muscle cells | 2 | 1 | 0 | ||
dibutyryl cyclic gmp Dibutyryl Cyclic GMP: N-(1-Oxobutyl)-cyclic 3',5'-(hydrogen phosphate)-2'-butanoate guanosine. A derivative of cyclic GMP. It has a higher resistance to extracellular and intracellular phosphodiesterase than cyclic GMP. | 3.24 | 6 | 0 | ||
metallothionein Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals. | 2.71 | 3 | 0 | ||
2',7'-bis(carboxyethyl)-5(6)-carboxyfluorescein [no description available] | 2 | 1 | 0 | ||
preproenkephalin preproenkephalin: initial enkephalin precursor | 1.98 | 1 | 0 |
Condition | Indicated | Relationship Strength | Studies | Trials |
---|---|---|---|---|
Cranial Nerve II Diseases [description not available] | 0 | 2.13 | 1 | 0 |
Glaucoma An ocular disease, occurring in many forms, having as its primary characteristics an unstable or a sustained increase in the intraocular pressure which the eye cannot withstand without damage to its structure or impairment of its function. The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches. (Dictionary of Visual Science, 4th ed) | 0 | 2.13 | 1 | 0 |
Intraocular Pressure The pressure of the fluids in the eye. | 0 | 2.7 | 3 | 0 |
Optic Nerve Diseases Conditions which produce injury or dysfunction of the second cranial or optic nerve, which is generally considered a component of the central nervous system. Damage to optic nerve fibers may occur at or near their origin in the retina, at the optic disk, or in the nerve, optic chiasm, optic tract, or lateral geniculate nuclei. Clinical manifestations may include decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect. | 0 | 2.13 | 1 | 0 |
Anemia, Fanconi [description not available] | 0 | 2.13 | 1 | 0 |
Fanconi Anemia Congenital disorder affecting all bone marrow elements, resulting in ANEMIA; LEUKOPENIA; and THROMBOPENIA, and associated with cardiac, renal, and limb malformations as well as dermal pigmentary changes. Spontaneous CHROMOSOME BREAKAGE is a feature of this disease along with predisposition to LEUKEMIA. There are at least 7 complementation groups in Fanconi anemia: FANCA, FANCB, FANCC, FANCD1, FANCD2, FANCE, FANCF, FANCG, and FANCL. (from Online Mendelian Inheritance in Man, http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=227650, August 20, 2004) | 0 | 2.13 | 1 | 0 |
Contact Dermatitis [description not available] | 0 | 2.21 | 1 | 0 |
Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. | 0 | 6.78 | 22 | 1 |
Itching [description not available] | 0 | 2.21 | 1 | 0 |
Dermatitis, Contact A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materials or substances coming in contact with the skin. It may involve allergic or non-allergic mechanisms. | 0 | 2.21 | 1 | 0 |
Pruritus An intense itching sensation that produces the urge to rub or scratch the skin to obtain relief. | 0 | 2.21 | 1 | 0 |
Congenital Zika Syndrome [description not available] | 0 | 2.25 | 1 | 0 |
Zika Virus Infection A viral disease transmitted by the bite of AEDES mosquitoes infected with ZIKA VIRUS. Its mild DENGUE-like symptoms include fever, rash, headaches and ARTHRALGIA. The viral infection during pregnancy, in rare cases, is associated with congenital brain and ocular abnormalities, called Congenital Zika Syndrome, including MICROCEPHALY and may also lead to GUILLAIN-BARRE SYNDROME. | 0 | 2.25 | 1 | 0 |
Diabetes Mellitus, Adult-Onset [description not available] | 0 | 2.47 | 2 | 0 |
Diabetes Mellitus, Type 2 A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY. | 0 | 2.47 | 2 | 0 |
Cancer of Skin [description not available] | 0 | 2.17 | 1 | 0 |
Skin Neoplasms Tumors or cancer of the SKIN. | 0 | 2.17 | 1 | 0 |
Kashin-Beck Disease Disabling osteochondrodysplasia with OSTEOSCLEROSIS, cone-shaped METAPHYSIS, and shortening of the DIAPHYSIS. It is endemic in parts of Siberia and northern China. Mineral deficiencies (e.g., selenium, iodine), fungal cereal contamination, and water contamination may be contributing factors in its etiology. | 0 | 2.58 | 2 | 0 |
Hypertrophy General increase in bulk of a part or organ due to CELL ENLARGEMENT and accumulation of FLUIDS AND SECRETIONS, not due to tumor formation, nor to an increase in the number of cells (HYPERPLASIA). | 0 | 2.58 | 2 | 0 |
Arthritis, Degenerative [description not available] | 0 | 2.49 | 2 | 0 |
Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply. | 0 | 3.39 | 7 | 0 |
Osteoarthritis A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage. In the foreign literature it is often called osteoarthrosis deformans. | 0 | 2.49 | 2 | 0 |
Acute Confusional Senile Dementia [description not available] | 0 | 3.28 | 6 | 0 |
Alzheimer Disease A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57) | 0 | 3.28 | 6 | 0 |
Pain, Chronic [description not available] | 0 | 2.1 | 1 | 0 |
Allodynia [description not available] | 0 | 2.74 | 3 | 0 |
Active Hyperemia [description not available] | 0 | 2.43 | 2 | 0 |
Hyperemia The presence of an increased amount of blood in a body part or an organ leading to congestion or engorgement of blood vessels. Hyperemia can be due to increase of blood flow into the area (active or arterial), or due to obstruction of outflow of blood from the area (passive or venous). | 0 | 2.43 | 2 | 0 |
Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. | 0 | 3.26 | 6 | 0 |
Chronic Pain Aching sensation that persists for more than a few months. It may or may not be associated with trauma or disease, and may persist after the initial injury has healed. Its localization, character, and timing are more vague than with acute pain. | 0 | 2.1 | 1 | 0 |
Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. | 0 | 5.06 | 42 | 0 |
Colicky Pain [description not available] | 0 | 2.13 | 1 | 0 |
Abdominal Pain Sensation of discomfort, distress, or agony in the abdominal region. | 0 | 2.13 | 1 | 0 |
Arrhythmia [description not available] | 0 | 2.94 | 4 | 0 |
Injury, Ischemia-Reperfusion [description not available] | 0 | 4.02 | 14 | 0 |
Arrhythmias, Cardiac Any disturbances of the normal rhythmic beating of the heart or MYOCARDIAL CONTRACTION. Cardiac arrhythmias can be classified by the abnormalities in HEART RATE, disorders of electrical impulse generation, or impulse conduction. | 0 | 2.94 | 4 | 0 |
Reperfusion Injury Adverse functional, metabolic, or structural changes in tissues that result from the restoration of blood flow to the tissue (REPERFUSION) following ISCHEMIA. | 0 | 4.02 | 14 | 0 |
ALS - Amyotrophic Lateral Sclerosis [description not available] | 0 | 2.72 | 3 | 0 |
Astrocytosis [description not available] | 0 | 2.05 | 1 | 0 |
Amyotrophic Lateral Sclerosis A degenerative disorder affecting upper MOTOR NEURONS in the brain and lower motor neurons in the brain stem and SPINAL CORD. Disease onset is usually after the age of 50 and the process is usually fatal within 3 to 6 years. Clinical manifestations include progressive weakness, atrophy, FASCICULATION, hyperreflexia, DYSARTHRIA, dysphagia, and eventual paralysis of respiratory function. Pathologic features include the replacement of motor neurons with fibrous ASTROCYTES and atrophy of anterior SPINAL NERVE ROOTS and corticospinal tracts. (From Adams et al., Principles of Neurology, 6th ed, pp1089-94) | 0 | 2.72 | 3 | 0 |
Nerve Degeneration Loss of functional activity and trophic degeneration of nerve axons and their terminal arborizations following the destruction of their cells of origin or interruption of their continuity with these cells. The pathology is characteristic of neurodegenerative diseases. Often the process of nerve degeneration is studied in research on neuroanatomical localization and correlation of the neurophysiology of neural pathways. | 0 | 3.51 | 8 | 0 |
Injuries, Spinal Cord [description not available] | 0 | 3.12 | 5 | 0 |
Spinal Cord Injuries Penetrating and non-penetrating injuries to the spinal cord resulting from traumatic external forces (e.g., WOUNDS, GUNSHOT; WHIPLASH INJURIES; etc.). | 0 | 3.12 | 5 | 0 |
Gastric Ulcer [description not available] | 0 | 3.1 | 5 | 0 |
Stomach Ulcer Ulceration of the GASTRIC MUCOSA due to contact with GASTRIC JUICE. It is often associated with HELICOBACTER PYLORI infection or consumption of nonsteroidal anti-inflammatory drugs (NSAIDS). | 0 | 3.1 | 5 | 0 |
Kidney Diseases Pathological processes of the KIDNEY or its component tissues. | 0 | 2.05 | 1 | 0 |
Cirrhosis, Liver [description not available] | 0 | 2.73 | 3 | 0 |
Liver Cirrhosis Liver disease in which the normal microcirculation, the gross vascular anatomy, and the hepatic architecture have been variably destroyed and altered with fibrous septa surrounding regenerated or regenerating parenchymal nodules. | 0 | 2.73 | 3 | 0 |
Disc, Herniated [description not available] | 0 | 2.05 | 1 | 0 |
Intervertebral Disc Displacement An INTERVERTEBRAL DISC in which the NUCLEUS PULPOSUS has protruded through surrounding ANNULUS FIBROSUS. This occurs most frequently in the lower lumbar region. | 0 | 2.05 | 1 | 0 |
Innate Inflammatory Response [description not available] | 0 | 3.27 | 6 | 0 |
Ache [description not available] | 0 | 3.12 | 5 | 0 |
Acute Disease Disease having a short and relatively severe course. | 0 | 2.44 | 2 | 0 |
Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. | 0 | 3.27 | 6 | 0 |
Pain An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS. | 0 | 3.12 | 5 | 0 |
Insulin Sensitivity [description not available] | 0 | 3.41 | 7 | 0 |
Insulin Resistance Diminished effectiveness of INSULIN in lowering blood sugar levels: requiring the use of 200 units or more of insulin per day to prevent HYPERGLYCEMIA or KETOSIS. | 0 | 3.41 | 7 | 0 |
Edema-Proteinuria-Hypertension Gestosis [description not available] | 0 | 2.92 | 4 | 0 |
Pre-Eclampsia A complication of PREGNANCY, characterized by a complex of symptoms including maternal HYPERTENSION and PROTEINURIA with or without pathological EDEMA. Symptoms may range between mild and severe. Pre-eclampsia usually occurs after the 20th week of gestation, but may develop before this time in the presence of trophoblastic disease. | 0 | 2.92 | 4 | 0 |
Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. | 0 | 4.02 | 14 | 0 |
Benign Neoplasms [description not available] | 0 | 2.41 | 2 | 0 |
Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. | 0 | 2.41 | 2 | 0 |
Emphysema A pathological accumulation of air in tissues or organs. | 0 | 2.05 | 1 | 0 |
Neuroblastoma A common neoplasm of early childhood arising from neural crest cells in the sympathetic nervous system, and characterized by diverse clinical behavior, ranging from spontaneous remission to rapid metastatic progression and death. This tumor is the most common intraabdominal malignancy of childhood, but it may also arise from thorax, neck, or rarely occur in the central nervous system. Histologic features include uniform round cells with hyperchromatic nuclei arranged in nests and separated by fibrovascular septa. Neuroblastomas may be associated with the opsoclonus-myoclonus syndrome. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2099-2101; Curr Opin Oncol 1998 Jan;10(1):43-51) | 0 | 4.15 | 16 | 0 |
Panic Attacks [description not available] | 0 | 2.05 | 1 | 0 |
Panic Disorder A type of anxiety disorder characterized by unexpected panic attacks that last minutes or, rarely, hours. Panic attacks begin with intense apprehension, fear or terror and, often, a feeling of impending doom. Symptoms experienced during a panic attack include dyspnea or sensations of being smothered; dizziness, loss of balance or faintness; choking sensations; palpitations or accelerated heart rate; shakiness; sweating; nausea or other form of abdominal distress; depersonalization or derealization; paresthesias; hot flashes or chills; chest discomfort or pain; fear of dying and fear of not being in control of oneself or going crazy. Agoraphobia may also develop. Similar to other anxiety disorders, it may be inherited as an autosomal dominant trait. | 0 | 2.05 | 1 | 0 |
Blood Poisoning [description not available] | 0 | 2.05 | 1 | 0 |
Metabolic Acidosis [description not available] | 0 | 2.71 | 3 | 0 |
Endotoxin Shock [description not available] | 0 | 4.52 | 9 | 0 |
Acidosis A pathologic condition of acid accumulation or depletion of base in the body. The two main types are RESPIRATORY ACIDOSIS and metabolic acidosis, due to metabolic acid build up. | 0 | 2.71 | 3 | 0 |
Shock, Septic Sepsis associated with HYPOTENSION or hypoperfusion despite adequate fluid resuscitation. Perfusion abnormalities may include but are not limited to LACTIC ACIDOSIS; OLIGURIA; or acute alteration in mental status. | 0 | 4.52 | 9 | 0 |
Sepsis Systemic inflammatory response syndrome with a proven or suspected infectious etiology. When sepsis is associated with organ dysfunction distant from the site of infection, it is called severe sepsis. When sepsis is accompanied by HYPOTENSION despite adequate fluid infusion, it is called SEPTIC SHOCK. | 0 | 2.05 | 1 | 0 |
Endotoxemia A condition characterized by the presence of ENDOTOXINS in the blood. On lysis, the outer cell wall of gram-negative bacteria enters the systemic circulation and initiates a pathophysiologic cascade of pro-inflammatory mediators. | 0 | 2.72 | 3 | 0 |
Muscle Relaxation That phase of a muscle twitch during which a muscle returns to a resting position. | 0 | 6.58 | 78 | 0 |
Cardiovascular Stroke [description not available] | 0 | 9.01 | 13 | 5 |
Injury, Myocardial Reperfusion [description not available] | 0 | 6.7 | 21 | 1 |
Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). | 0 | 14.01 | 13 | 5 |
Neointima The new and thickened layer of scar tissue that forms on a PROSTHESIS, or as a result of vessel injury especially following ANGIOPLASTY or stent placement. | 0 | 2.06 | 1 | 0 |
Pulmonary Hypertension [description not available] | 0 | 4.31 | 7 | 0 |
Hypertension, Pulmonary Increased VASCULAR RESISTANCE in the PULMONARY CIRCULATION, usually secondary to HEART DISEASES or LUNG DISEASES. | 0 | 4.31 | 7 | 0 |
Cancer of Prostate [description not available] | 0 | 2.44 | 2 | 0 |
Prostatic Neoplasms Tumors or cancer of the PROSTATE. | 0 | 2.44 | 2 | 0 |
Vascular Injuries [description not available] | 0 | 2.06 | 1 | 0 |
Hyperplasia An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells. | 0 | 2.44 | 2 | 0 |
Coronary Restenosis Recurrent narrowing or constriction of a coronary artery following surgical procedures performed to alleviate a prior obstruction. | 0 | 2.44 | 2 | 0 |
Peripheral Nerve Injury [description not available] | 0 | 2.06 | 1 | 0 |
Nerve Pain [description not available] | 0 | 2.43 | 2 | 0 |
Neuralgia Intense or aching pain that occurs along the course or distribution of a peripheral or cranial nerve. | 0 | 2.43 | 2 | 0 |
Peripheral Nerve Injuries Injuries to the PERIPHERAL NERVES. | 0 | 2.06 | 1 | 0 |
Francisella tularensis Infection [description not available] | 0 | 2.06 | 1 | 0 |
Tularemia A plague-like disease of rodents, transmissible to man. It is caused by FRANCISELLA TULARENSIS and is characterized by fever, chills, headache, backache, and weakness. | 0 | 2.06 | 1 | 0 |
Acute Brain Injuries [description not available] | 0 | 2.45 | 2 | 0 |
Brain Injuries Acute and chronic (see also BRAIN INJURIES, CHRONIC) injuries to the brain, including the cerebral hemispheres, CEREBELLUM, and BRAIN STEM. Clinical manifestations depend on the nature of injury. Diffuse trauma to the brain is frequently associated with DIFFUSE AXONAL INJURY or COMA, POST-TRAUMATIC. Localized injuries may be associated with NEUROBEHAVIORAL MANIFESTATIONS; HEMIPARESIS, or other focal neurologic deficits. | 0 | 2.45 | 2 | 0 |
Carcinoma, Lewis Lung A carcinoma discovered by Dr. Margaret R. Lewis of the Wistar Institute in 1951. This tumor originated spontaneously as a carcinoma of the lung of a C57BL mouse. The tumor does not appear to be grossly hemorrhagic and the majority of the tumor tissue is a semifirm homogeneous mass. (From Cancer Chemother Rep 2 1972 Nov;(3)1:325) It is also called 3LL and LLC and is used as a transplantable malignancy. | 0 | 2.06 | 1 | 0 |
Experimental Neoplasms [description not available] | 0 | 2.69 | 3 | 0 |
Idiopathic Parkinson Disease [description not available] | 0 | 3.13 | 5 | 0 |
Parkinson Disease A progressive, degenerative neurologic disease characterized by a TREMOR that is maximal at rest, retropulsion (i.e. a tendency to fall backwards), rigidity, stooped posture, slowness of voluntary movements, and a masklike facial expression. Pathologic features include loss of melanin containing neurons in the substantia nigra and other pigmented nuclei of the brainstem. LEWY BODIES are present in the substantia nigra and locus coeruleus but may also be found in a related condition (LEWY BODY DISEASE, DIFFUSE) characterized by dementia in combination with varying degrees of parkinsonism. (Adams et al., Principles of Neurology, 6th ed, p1059, pp1067-75) | 0 | 3.13 | 5 | 0 |
Leishmaniasis, American [description not available] | 0 | 2.07 | 1 | 0 |
Leishmaniasis, Cutaneous An endemic disease that is characterized by the development of single or multiple localized lesions on exposed areas of skin that typically ulcerate. The disease has been divided into Old and New World forms. Old World leishmaniasis is separated into three distinct types according to epidemiology and clinical manifestations and is caused by species of the L. tropica and L. aethiopica complexes as well as by species of the L. major genus. New World leishmaniasis, also called American leishmaniasis, occurs in South and Central America and is caused by species of the L. mexicana or L. braziliensis complexes. | 0 | 2.07 | 1 | 0 |
Blood Pressure, Low [description not available] | 0 | 2.91 | 4 | 0 |
Hypotension Abnormally low BLOOD PRESSURE that can result in inadequate blood flow to the brain and other vital organs. Common symptom is DIZZINESS but greater negative impacts on the body occur when there is prolonged depravation of oxygen and nutrients. | 0 | 2.91 | 4 | 0 |
Adenoma, beta-Cell [description not available] | 0 | 2.92 | 4 | 0 |
Cancer of Pancreas [description not available] | 0 | 2.7 | 3 | 0 |
Insulinoma A benign tumor of the PANCREATIC BETA CELLS. Insulinoma secretes excess INSULIN resulting in HYPOGLYCEMIA. | 0 | 2.92 | 4 | 0 |
Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA). | 0 | 2.7 | 3 | 0 |
Asymmetric Diabetic Proximal Motor Neuropathy [description not available] | 0 | 2.01 | 1 | 0 |
Diabetic Neuropathies Peripheral, autonomic, and cranial nerve disorders that are associated with DIABETES MELLITUS. These conditions usually result from diabetic microvascular injury involving small blood vessels that supply nerves (VASA NERVORUM). Relatively common conditions which may be associated with diabetic neuropathy include third nerve palsy (see OCULOMOTOR NERVE DISEASES); MONONEUROPATHY; mononeuropathy multiplex; diabetic amyotrophy; a painful POLYNEUROPATHY; autonomic neuropathy; and thoracoabdominal neuropathy. (From Adams et al., Principles of Neurology, 6th ed, p1325) | 0 | 2.01 | 1 | 0 |
Apoplexy [description not available] | 0 | 2.01 | 1 | 0 |
Stroke A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to BRAIN ISCHEMIA or INTRACRANIAL HEMORRHAGES. Stroke is classified by the type of tissue NECROSIS, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. non-hemorrhagic nature. (From Adams et al., Principles of Neurology, 6th ed, pp777-810) | 0 | 2.01 | 1 | 0 |
Anterior Choroidal Artery Infarction [description not available] | 0 | 2.91 | 4 | 0 |
Cerebral Ischemia [description not available] | 0 | 4.71 | 11 | 0 |
Cerebral Infarction The formation of an area of NECROSIS in the CEREBRUM caused by an insufficiency of arterial or venous blood flow. Infarcts of the cerebrum are generally classified by hemisphere (i.e., left vs. right), lobe (e.g., frontal lobe infarction), arterial distribution (e.g., INFARCTION, ANTERIOR CEREBRAL ARTERY), and etiology (e.g., embolic infarction). | 0 | 2.91 | 4 | 0 |
Brain Ischemia Localized reduction of blood flow to brain tissue due to arterial obstruction or systemic hypoperfusion. This frequently occurs in conjunction with brain hypoxia (HYPOXIA, BRAIN). Prolonged ischemia is associated with BRAIN INFARCTION. | 0 | 4.71 | 11 | 0 |
Allergic Encephalomyelitis [description not available] | 0 | 2.92 | 4 | 0 |
Benign Mastocytoma [description not available] | 0 | 2.01 | 1 | 0 |
Dyskinesia, Medication-Induced [description not available] | 0 | 2.01 | 1 | 0 |
Dyskinesia, Drug-Induced Abnormal movements, including HYPERKINESIS; HYPOKINESIA; TREMOR; and DYSTONIA, associated with the use of certain medications or drugs. Muscles of the face, trunk, neck, and extremities are most commonly affected. Tardive dyskinesia refers to abnormal hyperkinetic movements of the muscles of the face, tongue, and neck associated with the use of neuroleptic agents (see ANTIPSYCHOTIC AGENTS). (Adams et al., Principles of Neurology, 6th ed, p1199) | 0 | 2.01 | 1 | 0 |
Experimental Hepatoma [description not available] | 0 | 2.01 | 1 | 0 |
MS (Multiple Sclerosis) [description not available] | 0 | 2.4 | 2 | 0 |
Multiple Sclerosis An autoimmune disorder mainly affecting young adults and characterized by destruction of myelin in the central nervous system. Pathologic findings include multiple sharply demarcated areas of demyelination throughout the white matter of the central nervous system. Clinical manifestations include visual loss, extra-ocular movement disorders, paresthesias, loss of sensation, weakness, dysarthria, spasticity, ataxia, and bladder dysfunction. The usual pattern is one of recurrent attacks followed by partial recovery (see MULTIPLE SCLEROSIS, RELAPSING-REMITTING), but acute fulminating and chronic progressive forms (see MULTIPLE SCLEROSIS, CHRONIC PROGRESSIVE) also occur. (Adams et al., Principles of Neurology, 6th ed, p903) | 0 | 2.4 | 2 | 0 |
Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) | 0 | 3.09 | 5 | 0 |
Anochlesia [description not available] | 0 | 2.01 | 1 | 0 |
Impotence [description not available] | 0 | 7.38 | 10 | 3 |
Sex Disorders [description not available] | 0 | 2.01 | 1 | 0 |
Erectile Dysfunction The inability in the male to have a PENILE ERECTION due to psychological or organ dysfunction. | 0 | 7.38 | 10 | 3 |
Sexual Dysfunction, Physiological Physiological disturbances in normal sexual performance in either the male or the female. | 0 | 2.01 | 1 | 0 |
Anesthesia A state characterized by loss of feeling or sensation. This depression of nerve function is usually the result of pharmacologic action and is induced to allow performance of surgery or other painful procedures. | 0 | 3.25 | 6 | 0 |
Kidney Failure A severe irreversible decline in the ability of kidneys to remove wastes, concentrate URINE, and maintain ELECTROLYTE BALANCE; BLOOD PRESSURE; and CALCIUM metabolism. | 0 | 3.79 | 2 | 1 |
Renal Insufficiency Conditions in which the KIDNEYS perform below the normal level in the ability to remove wastes, concentrate URINE, and maintain ELECTROLYTE BALANCE; BLOOD PRESSURE; and CALCIUM metabolism. Renal insufficiency can be classified by the degree of kidney damage (as measured by the level of PROTEINURIA) and reduction in GLOMERULAR FILTRATION RATE. | 0 | 8.79 | 2 | 1 |
Arteriosclerosis Thickening and loss of elasticity of the walls of ARTERIES of all sizes. There are many forms classified by the types of lesions and arteries involved, such as ATHEROSCLEROSIS with fatty lesions in the ARTERIAL INTIMA of medium and large muscular arteries. | 0 | 4.88 | 8 | 0 |
Chronic Kidney Failure [description not available] | 0 | 2.01 | 1 | 0 |
Kidney Failure, Chronic The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION. | 0 | 2.01 | 1 | 0 |
Cochlear Hearing Loss [description not available] | 0 | 2.01 | 1 | 0 |
Hearing Loss, Sensorineural Hearing loss resulting from damage to the COCHLEA and the sensorineural elements which lie internally beyond the oval and round windows. These elements include the AUDITORY NERVE and its connections in the BRAINSTEM. | 0 | 2.01 | 1 | 0 |
Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE. | 0 | 2.69 | 3 | 0 |
Acute Myelogenous Leukemia [description not available] | 0 | 2.01 | 1 | 0 |
Leukemia, Myeloid, Acute Clonal expansion of myeloid blasts in bone marrow, blood, and other tissue. Myeloid leukemias develop from changes in cells that normally produce NEUTROPHILS; BASOPHILS; EOSINOPHILS; and MONOCYTES. | 0 | 2.01 | 1 | 0 |
Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. | 0 | 2.92 | 4 | 0 |
Chronic Illness [description not available] | 0 | 2.69 | 3 | 0 |
Hypertrophy, Right Ventricular Enlargement of the RIGHT VENTRICLE of the heart. This increase in ventricular mass is often attributed to PULMONARY HYPERTENSION and is a contributor to cardiovascular morbidity and mortality. | 0 | 2.42 | 2 | 0 |
Anoxemia [description not available] | 0 | 4.14 | 16 | 0 |
Hypoxia Sub-optimal OXYGEN levels in the ambient air of living organisms. | 0 | 4.14 | 16 | 0 |
Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). | 0 | 2.69 | 3 | 0 |
Breast Cancer [description not available] | 0 | 2.02 | 1 | 0 |
Breast Neoplasms Tumors or cancer of the human BREAST. | 0 | 2.02 | 1 | 0 |
Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. | 0 | 3.08 | 5 | 0 |
Alloxan Diabetes [description not available] | 0 | 2.41 | 2 | 0 |
Astrocytoma, Grade IV [description not available] | 0 | 2.01 | 1 | 0 |
Glioblastoma A malignant form of astrocytoma histologically characterized by pleomorphism of cells, nuclear atypia, microhemorrhage, and necrosis. They may arise in any region of the central nervous system, with a predilection for the cerebral hemispheres, basal ganglia, and commissural pathways. Clinical presentation most frequently occurs in the fifth or sixth decade of life with focal neurologic signs or seizures. | 0 | 2.01 | 1 | 0 |
Burns Injuries to tissues caused by contact with heat, steam, chemicals (BURNS, CHEMICAL), electricity (BURNS, ELECTRIC), or the like. | 0 | 2.69 | 3 | 0 |
Fetal Growth Restriction [description not available] | 0 | 2.02 | 1 | 0 |
Fetal Growth Retardation Failure of a FETUS to attain expected GROWTH. | 0 | 2.02 | 1 | 0 |
Cardiac Diseases [description not available] | 0 | 2.4 | 2 | 0 |
Heart Diseases Pathological conditions involving the HEART including its structural and functional abnormalities. | 0 | 2.4 | 2 | 0 |
Hematoma A collection of blood outside the BLOOD VESSELS. Hematoma can be localized in an organ, space, or tissue. | 0 | 3.4 | 1 | 1 |
Acute Respiratory Distress Syndrome [description not available] | 0 | 2.7 | 3 | 0 |
Respiratory Distress Syndrome A syndrome characterized by progressive life-threatening RESPIRATORY INSUFFICIENCY in the absence of known LUNG DISEASES, usually following a systemic insult such as surgery or major TRAUMA. | 0 | 2.7 | 3 | 0 |
Behavior Disorders [description not available] | 0 | 2.02 | 1 | 0 |
Mental Disorders Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function. | 0 | 2.02 | 1 | 0 |
Anti-MuSK Myasthenia Gravis [description not available] | 0 | 2.02 | 1 | 0 |
Myasthenia Gravis A disorder of neuromuscular transmission characterized by fatigable weakness of cranial and skeletal muscles with elevated titers of ACETYLCHOLINE RECEPTORS or muscle-specific receptor tyrosine kinase (MuSK) autoantibodies. Clinical manifestations may include ocular muscle weakness (fluctuating, asymmetric, external ophthalmoplegia; diplopia; ptosis; and weakness of eye closure) and extraocular fatigable weakness of facial, bulbar, respiratory, and proximal limb muscles. The disease may remain limited to the ocular muscles (ocular myasthenia). THYMOMA is commonly associated with this condition. | 0 | 2.02 | 1 | 0 |
Plasmodium vivax Malaria [description not available] | 0 | 2.02 | 1 | 0 |
Malaria, Vivax Malaria caused by PLASMODIUM VIVAX. This form of malaria is less severe than MALARIA, FALCIPARUM, but there is a higher probability for relapses to occur. Febrile paroxysms often occur every other day. | 0 | 2.02 | 1 | 0 |
Hemorrhagic Shock [description not available] | 0 | 2.4 | 2 | 0 |
MELAS [description not available] | 0 | 2.02 | 1 | 0 |
MELAS Syndrome A mitochondrial disorder characterized by focal or generalized seizures, episodes of transient or persistent neurologic dysfunction resembling strokes, and ragged-red fibers on muscle biopsy. Affected individuals tend to be normal at birth through early childhood, then experience growth failure, episodic vomiting, and recurrent cerebral insults resulting in visual loss and hemiparesis. The cortical lesions tend to occur in the parietal and occipital lobes and are not associated with vascular occlusion. VASCULAR HEADACHE is frequently associated and the disorder tends to be familial. (From Joynt, Clinical Neurology, 1992, Ch56, p117) | 0 | 2.02 | 1 | 0 |
Brain Damage, Chronic A condition characterized by long-standing brain dysfunction or damage, usually of three months duration or longer. Potential etiologies include BRAIN INFARCTION; certain NEURODEGENERATIVE DISORDERS; CRANIOCEREBRAL TRAUMA; ANOXIA, BRAIN; ENCEPHALITIS; certain NEUROTOXICITY SYNDROMES; metabolic disorders (see BRAIN DISEASES, METABOLIC); and other conditions. | 0 | 2.02 | 1 | 0 |
Candida Infection [description not available] | 0 | 2.42 | 2 | 0 |
Candidiasis Infection with a fungus of the genus CANDIDA. It is usually a superficial infection of the moist areas of the body and is generally caused by CANDIDA ALBICANS. (Dorland, 27th ed) | 0 | 2.42 | 2 | 0 |
Neutropenia A decrease in the number of NEUTROPHILS found in the blood. | 0 | 2.02 | 1 | 0 |
Atherogenesis [description not available] | 0 | 2.43 | 2 | 0 |
Atherosclerosis A thickening and loss of elasticity of the walls of ARTERIES that occurs with formation of ATHEROSCLEROTIC PLAQUES within the ARTERIAL INTIMA. | 0 | 2.43 | 2 | 0 |
Blood Pressure, High [description not available] | 0 | 2.91 | 4 | 0 |
Hypertension Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more. | 0 | 2.91 | 4 | 0 |
Brucella Infection [description not available] | 0 | 2.03 | 1 | 0 |
Brucellosis Infection caused by bacteria of the genus BRUCELLA mainly involving the MONONUCLEAR PHAGOCYTE SYSTEM. This condition is characterized by fever, weakness, malaise, and weight loss. | 0 | 2.03 | 1 | 0 |
Brain Disorders [description not available] | 0 | 2.03 | 1 | 0 |
Brain Diseases Pathologic conditions affecting the BRAIN, which is composed of the intracranial components of the CENTRAL NERVOUS SYSTEM. This includes (but is not limited to) the CEREBRAL CORTEX; intracranial white matter; BASAL GANGLIA; THALAMUS; HYPOTHALAMUS; BRAIN STEM; and CEREBELLUM. | 0 | 2.03 | 1 | 0 |
Glial Cell Tumors [description not available] | 0 | 3.39 | 7 | 0 |
Glioma Benign and malignant central nervous system neoplasms derived from glial cells (i.e., astrocytes, oligodendrocytes, and ependymocytes). Astrocytes may give rise to astrocytomas (ASTROCYTOMA) or glioblastoma multiforme (see GLIOBLASTOMA). Oligodendrocytes give rise to oligodendrogliomas (OLIGODENDROGLIOMA) and ependymocytes may undergo transformation to become EPENDYMOMA; CHOROID PLEXUS NEOPLASMS; or colloid cysts of the third ventricle. (From Escourolle et al., Manual of Basic Neuropathology, 2nd ed, p21) | 0 | 3.39 | 7 | 0 |
Deficiency of Glucose-6-Phosphate Dehydrogenase [description not available] | 0 | 2.03 | 1 | 0 |
Glucosephosphate Dehydrogenase Deficiency A disease-producing enzyme deficiency subject to many variants, some of which cause a deficiency of GLUCOSE-6-PHOSPHATE DEHYDROGENASE activity in erythrocytes, leading to hemolytic anemia. | 0 | 2.03 | 1 | 0 |
Brain Vascular Disorders [description not available] | 0 | 2.03 | 1 | 0 |
Hypercapnia A clinical manifestation of abnormal increase in the amount of carbon dioxide in arterial blood. | 0 | 2.91 | 4 | 0 |
Cerebrovascular Disorders A spectrum of pathological conditions of impaired blood flow in the brain. They can involve vessels (ARTERIES or VEINS) in the CEREBRUM, the CEREBELLUM, and the BRAIN STEM. Major categories include INTRACRANIAL ARTERIOVENOUS MALFORMATIONS; BRAIN ISCHEMIA; CEREBRAL HEMORRHAGE; and others. | 0 | 2.03 | 1 | 0 |
Heart Disease, Ischemic [description not available] | 0 | 6.09 | 11 | 1 |
Myocardial Ischemia A disorder of cardiac function caused by insufficient blood flow to the muscle tissue of the heart. The decreased blood flow may be due to narrowing of the coronary arteries (CORONARY ARTERY DISEASE), to obstruction by a thrombus (CORONARY THROMBOSIS), or less commonly, to diffuse narrowing of arterioles and other small vessels within the heart. Severe interruption of the blood supply to the myocardial tissue may result in necrosis of cardiac muscle (MYOCARDIAL INFARCTION). | 0 | 6.09 | 11 | 1 |
Infections, Hantavirus [description not available] | 0 | 2.03 | 1 | 0 |
Hantavirus Infections Infections with viruses of the genus HANTAVIRUS. This is associated with at least four clinical syndromes: HEMORRHAGIC FEVER WITH RENAL SYNDROME caused by viruses of the Hantaan group; a milder form of HFRS caused by SEOUL VIRUS; nephropathia epidemica caused by PUUMALA VIRUS; and HANTAVIRUS PULMONARY SYNDROME caused by SIN NOMBRE VIRUS. | 0 | 2.03 | 1 | 0 |
Genetic Predisposition [description not available] | 0 | 2.03 | 1 | 0 |
Hepatocellular Carcinoma [description not available] | 0 | 2.92 | 4 | 0 |
Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. | 0 | 2.92 | 4 | 0 |
Hibernation, Myocardial [description not available] | 0 | 2.03 | 1 | 0 |
Esophagitis INFLAMMATION, acute or chronic, of the ESOPHAGUS caused by BACTERIA, chemicals, or TRAUMA. | 0 | 2.03 | 1 | 0 |
Degenerative Diseases, Central Nervous System [description not available] | 0 | 2.42 | 2 | 0 |
Neurodegenerative Diseases Hereditary and sporadic conditions which are characterized by progressive nervous system dysfunction. These disorders are often associated with atrophy of the affected central or peripheral nervous system structures. | 0 | 2.42 | 2 | 0 |
Graft Occlusion, Vascular Obstruction of flow in biological or prosthetic vascular grafts. | 0 | 2.42 | 2 | 0 |
Retinal Diseases Diseases involving the RETINA. | 0 | 2.04 | 1 | 0 |
Hyperglycemia, Postprandial Abnormally high BLOOD GLUCOSE level after a meal. | 0 | 2.04 | 1 | 0 |
Compensatory Hyperinsulinemia A GLUCOSE-induced HYPERINSULINEMIA, a marker of insulin-resistant state. It is a mechanism to compensate for reduced sensitivity to insulin. | 0 | 2.04 | 1 | 0 |
Hyperglycemia Abnormally high BLOOD GLUCOSE level. | 0 | 2.04 | 1 | 0 |
Hyperinsulinism A syndrome with excessively high INSULIN levels in the BLOOD. It may cause HYPOGLYCEMIA. Etiology of hyperinsulinism varies, including hypersecretion of a beta cell tumor (INSULINOMA); autoantibodies against insulin (INSULIN ANTIBODIES); defective insulin receptor (INSULIN RESISTANCE); or overuse of exogenous insulin or HYPOGLYCEMIC AGENTS. | 0 | 2.04 | 1 | 0 |
Angor Pectoris [description not available] | 0 | 7.37 | 10 | 5 |
Angina at Rest [description not available] | 0 | 6.3 | 5 | 3 |
Coronary Heart Disease [description not available] | 0 | 7.5 | 19 | 8 |
Angina Pectoris The symptom of paroxysmal pain consequent to MYOCARDIAL ISCHEMIA usually of distinctive character, location and radiation. It is thought to be provoked by a transient stressful situation during which the oxygen requirements of the MYOCARDIUM exceed that supplied by the CORONARY CIRCULATION. | 0 | 7.37 | 10 | 5 |
Angina, Unstable Precordial pain at rest, which may precede a MYOCARDIAL INFARCTION. | 0 | 6.3 | 5 | 3 |
Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. | 0 | 7.5 | 19 | 8 |
Adenocarcinoma, Basal Cell [description not available] | 0 | 2.9 | 4 | 0 |
Leukemia L 1210 [description not available] | 0 | 2.4 | 2 | 0 |
Experimental Mammary Neoplasms [description not available] | 0 | 2.38 | 2 | 0 |
Adenocarcinoma A malignant epithelial tumor with a glandular organization. | 0 | 2.9 | 4 | 0 |
Anterior Circulation Transient Ischemic Attack [description not available] | 0 | 2.68 | 3 | 0 |
Ischemic Attack, Transient Brief reversible episodes of focal, nonconvulsive ischemic dysfunction of the brain having a duration of less than 24 hours, and usually less than one hour, caused by transient thrombotic or embolic blood vessel occlusion or stenosis. Events may be classified by arterial distribution, temporal pattern, or etiology (e.g., embolic vs. thrombotic). (From Adams et al., Principles of Neurology, 6th ed, pp814-6) | 0 | 2.68 | 3 | 0 |
Bleeding [description not available] | 0 | 1.98 | 1 | 0 |
Hemorrhage Bleeding or escape of blood from a vessel. | 0 | 1.98 | 1 | 0 |
Anasarca [description not available] | 0 | 2.68 | 3 | 0 |
Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. | 0 | 2.68 | 3 | 0 |
Aura [description not available] | 0 | 1.98 | 1 | 0 |
Epilepsy A disorder characterized by recurrent episodes of paroxysmal brain dysfunction due to a sudden, disorderly, and excessive neuronal discharge. Epilepsy classification systems are generally based upon: (1) clinical features of the seizure episodes (e.g., motor seizure), (2) etiology (e.g., post-traumatic), (3) anatomic site of seizure origin (e.g., frontal lobe seizure), (4) tendency to spread to other structures in the brain, and (5) temporal patterns (e.g., nocturnal epilepsy). (From Adams et al., Principles of Neurology, 6th ed, p313) | 0 | 1.98 | 1 | 0 |
Leukemia P388 An experimental lymphocytic leukemia originally induced in DBA/2 mice by painting with methylcholanthrene. | 0 | 1.98 | 1 | 0 |
Blood Clot [description not available] | 0 | 3.8 | 4 | 0 |
Thrombosis Formation and development of a thrombus or blood clot in the blood vessel. | 0 | 3.8 | 4 | 0 |
Anoxia, Brain [description not available] | 0 | 1.98 | 1 | 0 |
Fasting Hypoglycemia HYPOGLYCEMIA expressed in the postabsorptive state, after prolonged FASTING, or an overnight fast. | 0 | 1.98 | 1 | 0 |
Hypoglycemia A syndrome of abnormally low BLOOD GLUCOSE level. Clinical hypoglycemia has diverse etiologies. Severe hypoglycemia eventually lead to glucose deprivation of the CENTRAL NERVOUS SYSTEM resulting in HUNGER; SWEATING; PARESTHESIA; impaired mental function; SEIZURES; COMA; and even DEATH. | 0 | 1.98 | 1 | 0 |
Malignant Melanoma [description not available] | 0 | 2.39 | 2 | 0 |
Melanoma A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445) | 0 | 2.39 | 2 | 0 |
Di Guglielmo Disease [description not available] | 0 | 2.39 | 2 | 0 |
Leukemia, Erythroblastic, Acute A myeloproliferative disorder characterized by neoplastic proliferation of erythroblastic and myeloblastic elements with atypical erythroblasts and myeloblasts in the peripheral blood. | 0 | 2.39 | 2 | 0 |
Aortic Diseases Pathological processes involving any part of the AORTA. | 0 | 1.98 | 1 | 0 |
Carotid Arteriopathies, Traumatic [description not available] | 0 | 2.39 | 2 | 0 |
Cavernitis, Fibrous [description not available] | 0 | 1.98 | 1 | 0 |
Impotence, Arteriogenic [description not available] | 0 | 2.39 | 2 | 0 |
Penile Induration A condition characterized by hardening of the PENIS due to the formation of fibrous plaques on the dorsolateral aspect of the PENIS, usually involving the membrane (tunica albuginea) surrounding the erectile tissue (corpus cavernosum penis). This may eventually cause a painful deformity of the shaft or constriction of the urethra, or both. | 0 | 1.98 | 1 | 0 |
Elevated Cholesterol [description not available] | 0 | 2.39 | 2 | 0 |
Hypercholesterolemia A condition with abnormally high levels of CHOLESTEROL in the blood. It is defined as a cholesterol value exceeding the 95th percentile for the population. | 0 | 2.39 | 2 | 0 |
Cholera Infantum [description not available] | 0 | 1.98 | 1 | 0 |
Arterial Obstructive Diseases [description not available] | 0 | 1.98 | 1 | 0 |
Arterial Occlusive Diseases Pathological processes which result in the partial or complete obstruction of ARTERIES. They are characterized by greatly reduced or absence of blood flow through these vessels. They are also known as arterial insufficiency. | 0 | 1.98 | 1 | 0 |
Vascular Diseases Pathological processes involving any of the BLOOD VESSELS in the cardiac or peripheral circulation. They include diseases of ARTERIES; VEINS; and rest of the vasculature system in the body. | 0 | 1.98 | 1 | 0 |
Cancer of Liver [description not available] | 0 | 2.39 | 2 | 0 |
Liver Neoplasms Tumors or cancer of the LIVER. | 0 | 2.39 | 2 | 0 |
Cardiac Failure [description not available] | 0 | 3.77 | 2 | 1 |
Heart Failure A heterogeneous condition in which the heart is unable to pump out sufficient blood to meet the metabolic need of the body. Heart failure can be caused by structural defects, functional abnormalities (VENTRICULAR DYSFUNCTION), or a sudden overload beyond its capacity. Chronic heart failure is more common than acute heart failure which results from sudden insult to cardiac function, such as MYOCARDIAL INFARCTION. | 0 | 3.77 | 2 | 1 |
Arteriosclerosis, Coronary [description not available] | 0 | 2.38 | 2 | 0 |
Coronary Artery Disease Pathological processes of CORONARY ARTERIES that may derive from a congenital abnormality, atherosclerotic, or non-atherosclerotic cause. | 0 | 2.38 | 2 | 0 |
Complication, Postoperative [description not available] | 0 | 1.98 | 1 | 0 |
Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. | 0 | 1.98 | 1 | 0 |
Ocular Hypotension Abnormally low intraocular pressure often related to chronic inflammation (uveitis). | 0 | 1.99 | 1 | 0 |
Left Ventricular Hypertrophy [description not available] | 0 | 1.99 | 1 | 0 |
Hypertrophy, Left Ventricular Enlargement of the LEFT VENTRICLE of the heart. This increase in ventricular mass is attributed to sustained abnormal pressure or volume loads and is a contributor to cardiovascular morbidity and mortality. | 0 | 1.99 | 1 | 0 |
Deficiency, Magnesium [description not available] | 0 | 1.99 | 1 | 0 |
Magnesium Deficiency A nutritional condition produced by a deficiency of magnesium in the diet, characterized by anorexia, nausea, vomiting, lethargy, and weakness. Symptoms are paresthesias, muscle cramps, irritability, decreased attention span, and mental confusion, possibly requiring months to appear. Deficiency of body magnesium can exist even when serum values are normal. In addition, magnesium deficiency may be organ-selective, since certain tissues become deficient before others. (Harrison's Principles of Internal Medicine, 12th ed, p1936) | 0 | 1.99 | 1 | 0 |
Weight Gain Increase in BODY WEIGHT over existing weight. | 0 | 2.4 | 2 | 0 |
Penile Diseases Pathological processes involving the PENIS or its component tissues. | 0 | 3.37 | 1 | 1 |
Brain Embolism and Thrombosis [description not available] | 0 | 1.99 | 1 | 0 |
Cruveilhier-Baumgarten Syndrome Liver cirrhosis with intrahepatic portal obstruction, HYPERTENSION, and patent UMBILICAL VEINS. | 0 | 2.39 | 2 | 0 |
Hypertension, Portal Abnormal increase of resistance to blood flow within the hepatic PORTAL SYSTEM, frequently seen in LIVER CIRRHOSIS and conditions with obstruction of the PORTAL VEIN. | 0 | 2.39 | 2 | 0 |
Cell Transformation, Viral An inheritable change in cells manifested by changes in cell division and growth and alterations in cell surface properties. It is induced by infection with a transforming virus. | 0 | 1.99 | 1 | 0 |
Recrudescence [description not available] | 0 | 4.62 | 3 | 2 |
Cardiac Hypertrophy Enlargement of the HEART due to chamber HYPERTROPHY, an increase in wall thickness without an increase in the number of cells (MYOCYTES, CARDIAC). It is the result of increase in myocyte size, mitochondrial and myofibrillar mass, as well as changes in extracellular matrix. | 0 | 2.69 | 3 | 0 |
Goldblatt Syndrome [description not available] | 0 | 2.38 | 2 | 0 |
Cardiomegaly Enlargement of the HEART, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both HEART VENTRICLES or HEART ATRIA. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (HEART FAILURE) or several forms of CARDIOMYOPATHIES. | 0 | 2.69 | 3 | 0 |
Hypertension, Renovascular Hypertension due to RENAL ARTERY OBSTRUCTION or compression. | 0 | 2.38 | 2 | 0 |
ATLL [description not available] | 0 | 1.99 | 1 | 0 |
Leukemia-Lymphoma, Adult T-Cell Aggressive T-Cell malignancy with adult onset, caused by HUMAN T-LYMPHOTROPIC VIRUS 1. It is endemic in Japan, the Caribbean basin, Southeastern United States, Hawaii, and parts of Central and South America and sub-Saharan Africa. | 0 | 1.99 | 1 | 0 |
Carbon Monoxide Poisoning Toxic asphyxiation due to the displacement of oxygen from oxyhemoglobin by carbon monoxide. | 0 | 1.99 | 1 | 0 |
Hemorrhage, Subarachnoid [description not available] | 0 | 2.68 | 3 | 0 |
Subarachnoid Hemorrhage Bleeding into the intracranial or spinal SUBARACHNOID SPACE, most resulting from INTRACRANIAL ANEURYSM rupture. It can occur after traumatic injuries (SUBARACHNOID HEMORRHAGE, TRAUMATIC). Clinical features include HEADACHE; NAUSEA; VOMITING, nuchal rigidity, variable neurological deficits and reduced mental status. | 0 | 2.68 | 3 | 0 |
Cancer of Intestines [description not available] | 0 | 1.99 | 1 | 0 |
Intestinal Neoplasms Tumors or cancer of the INTESTINES. | 0 | 1.99 | 1 | 0 |
Pheochromocytoma, Extra-Adrenal [description not available] | 0 | 1.99 | 1 | 0 |
Pheochromocytoma A usually benign, well-encapsulated, lobular, vascular tumor of chromaffin tissue of the ADRENAL MEDULLA or sympathetic paraganglia. The cardinal symptom, reflecting the increased secretion of EPINEPHRINE and NOREPINEPHRINE, is HYPERTENSION, which may be persistent or intermittent. During severe attacks, there may be HEADACHE; SWEATING, palpitation, apprehension, TREMOR; PALLOR or FLUSHING of the face, NAUSEA and VOMITING, pain in the CHEST and ABDOMEN, and paresthesias of the extremities. The incidence of malignancy is as low as 5% but the pathologic distinction between benign and malignant pheochromocytomas is not clear. (Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1298) | 0 | 1.99 | 1 | 0 |
Extravascular Hemolysis [description not available] | 0 | 1.99 | 1 | 0 |
Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. | 0 | 1.99 | 1 | 0 |
Cancer of Colon [description not available] | 0 | 1.99 | 1 | 0 |
Colonic Neoplasms Tumors or cancer of the COLON. | 0 | 1.99 | 1 | 0 |
Cardiac Tamponade Compression of the heart by accumulated fluid (PERICARDIAL EFFUSION) or blood (HEMOPERICARDIUM) in the PERICARDIUM surrounding the heart. The affected cardiac functions and CARDIAC OUTPUT can range from minimal to total hemodynamic collapse. | 0 | 1.99 | 1 | 0 |
Hyperlipemia [description not available] | 0 | 1.99 | 1 | 0 |
Hyperlipidemias Conditions with excess LIPIDS in the blood. | 0 | 1.99 | 1 | 0 |
Complications of Diabetes Mellitus [description not available] | 0 | 1.99 | 1 | 0 |
Vibrio cholerae Infection [description not available] | 0 | 1.99 | 1 | 0 |
Cholera An acute diarrheal disease endemic in India and Southeast Asia whose causative agent is VIBRIO CHOLERAE. This condition can lead to severe dehydration in a matter of hours unless quickly treated. | 0 | 1.99 | 1 | 0 |
Diarrhea An increased liquidity or decreased consistency of FECES, such as running stool. Fecal consistency is related to the ratio of water-holding capacity of insoluble solids to total water, rather than the amount of water present. Diarrhea is not hyperdefecation or increased fecal weight. | 0 | 1.99 | 1 | 0 |
Allergic Cutaneous Angiitis [description not available] | 0 | 1.99 | 1 | 0 |
Bowel Diseases, Inflammatory [description not available] | 0 | 1.99 | 1 | 0 |
Inflammatory Bowel Diseases Chronic, non-specific inflammation of the GASTROINTESTINAL TRACT. Etiology may be genetic or environmental. This term includes CROHN DISEASE and ULCERATIVE COLITIS. | 0 | 1.99 | 1 | 0 |
Bone Loss, Osteoclastic [description not available] | 0 | 2.39 | 2 | 0 |
Diathesis [description not available] | 0 | 1.99 | 1 | 0 |
Benign Neoplasms, Brain [description not available] | 0 | 1.99 | 1 | 0 |
Brain Neoplasms Neoplasms of the intracranial components of the central nervous system, including the cerebral hemispheres, basal ganglia, hypothalamus, thalamus, brain stem, and cerebellum. Brain neoplasms are subdivided into primary (originating from brain tissue) and secondary (i.e., metastatic) forms. Primary neoplasms are subdivided into benign and malignant forms. In general, brain tumors may also be classified by age of onset, histologic type, or presenting location in the brain. | 0 | 1.99 | 1 | 0 |
Blastomyces brasiliensis Infection [description not available] | 0 | 1.99 | 1 | 0 |
Lung Diseases, Parasitic Infections of the lungs with parasites, most commonly by parasitic worms (HELMINTHS). | 0 | 1.99 | 1 | 0 |
Carcinoma, Epidermoid [description not available] | 0 | 2 | 1 | 0 |
Cancer of the Tongue [description not available] | 0 | 2 | 1 | 0 |
Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) | 0 | 2 | 1 | 0 |
Tongue Neoplasms Tumors or cancer of the TONGUE. | 0 | 2 | 1 | 0 |
Colorectal Cancer [description not available] | 0 | 2 | 1 | 0 |
Colorectal Neoplasms Tumors or cancer of the COLON or the RECTUM or both. Risk factors for colorectal cancer include chronic ULCERATIVE COLITIS; FAMILIAL POLYPOSIS COLI; exposure to ASBESTOS; and irradiation of the CERVIX UTERI. | 0 | 2 | 1 | 0 |
Mouth Ulcer [description not available] | 0 | 2 | 1 | 0 |
Mouth Diseases Diseases involving the MOUTH. | 0 | 2 | 1 | 0 |
Lichen Planus, Oral Oral lesions accompanying cutaneous lichen planus or often occurring alone. The buccal mucosa, lips, gingivae, floor of the mouth, and palate are usually affected (in a descending order of frequency). Typically, oral lesions consist of radiating white or gray, velvety, threadlike lines, arranged in a reticular pattern, at the intersection of which there may be minute, white, elevated dots or streaks (Wickham's striae). (Jablonski, Illustrated Dictionary of Dentistry) | 0 | 2 | 1 | 0 |
Oral Ulcer A loss of mucous substance of the mouth showing local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue. It is the result of a variety of causes, e.g., denture irritation, aphthous stomatitis (STOMATITIS, APHTHOUS); NOMA; necrotizing gingivitis (GINGIVITIS, NECROTIZING ULCERATIVE); TOOTHBRUSHING; and various irritants. (From Jablonski, Dictionary of Dentistry, 1992, p842) | 0 | 2 | 1 | 0 |
Becker Muscular Dystrophy [description not available] | 0 | 2 | 1 | 0 |
Muscular Dystrophy, Duchenne An X-linked recessive muscle disease caused by an inability to synthesize DYSTROPHIN, which is involved with maintaining the integrity of the sarcolemma. Muscle fibers undergo a process that features degeneration and regeneration. Clinical manifestations include proximal weakness in the first few years of life, pseudohypertrophy, cardiomyopathy (see MYOCARDIAL DISEASES), and an increased incidence of impaired mentation. Becker muscular dystrophy is a closely related condition featuring a later onset of disease (usually adolescence) and a slowly progressive course. (Adams et al., Principles of Neurology, 6th ed, p1415) | 0 | 2 | 1 | 0 |
Bronchial Hyperreactivity Tendency of the smooth muscle of the tracheobronchial tree to contract more intensely in response to a given stimulus than it does in the response seen in normal individuals. This condition is present in virtually all symptomatic patients with asthma. The most prominent manifestation of this smooth muscle contraction is a decrease in airway caliber that can be readily measured in the pulmonary function laboratory. | 0 | 2.41 | 2 | 0 |
ADPKD [description not available] | 0 | 2 | 1 | 0 |
Polycystic Kidney, Autosomal Dominant Kidney disorders with autosomal dominant inheritance and characterized by multiple CYSTS in both KIDNEYS with progressive deterioration of renal function. | 0 | 2 | 1 | 0 |
Corneal Edema An excessive amount of fluid in the cornea due to damage of the epithelium or endothelium causing decreased visual acuity. | 0 | 2 | 1 | 0 |
Polyarthritis [description not available] | 0 | 2 | 1 | 0 |
Autoimmune Disease [description not available] | 0 | 2 | 1 | 0 |
Bright Disease A historical classification which is no longer used. It described acute glomerulonephritis, acute nephritic syndrome, or acute nephritis. Named for Richard Bright. | 0 | 2 | 1 | 0 |
Arthritis Acute or chronic inflammation of JOINTS. | 0 | 2 | 1 | 0 |
Autoimmune Diseases Disorders that are characterized by the production of antibodies that react with host tissues or immune effector cells that are autoreactive to endogenous peptides. | 0 | 2 | 1 | 0 |
Glomerulonephritis Inflammation of the renal glomeruli (KIDNEY GLOMERULUS) that can be classified by the type of glomerular injuries including antibody deposition, complement activation, cellular proliferation, and glomerulosclerosis. These structural and functional abnormalities usually lead to HEMATURIA; PROTEINURIA; HYPERTENSION; and RENAL INSUFFICIENCY. | 0 | 2 | 1 | 0 |
Bacterial Disease [description not available] | 0 | 2 | 1 | 0 |
Fish Diseases Diseases of freshwater, marine, hatchery or aquarium fish. This term includes diseases of both teleosts (true fish) and elasmobranchs (sharks, rays and skates). | 0 | 2 | 1 | 0 |
Bacterial Infections Infections by bacteria, general or unspecified. | 0 | 2 | 1 | 0 |
Entrapment Neuropathies [description not available] | 0 | 2 | 1 | 0 |
Bilharziasis [description not available] | 0 | 2 | 1 | 0 |
Rodent Diseases Diseases of rodents of the order RODENTIA. This term includes diseases of Sciuridae (squirrels), Geomyidae (gophers), Heteromyidae (pouched mice), Castoridae (beavers), Cricetidae (rats and mice), Muridae (Old World rats and mice), Erethizontidae (porcupines), and Caviidae (guinea pigs). | 0 | 2 | 1 | 0 |
Schistosomiasis Infection with flukes (trematodes) of the genus SCHISTOSOMA. Three species produce the most frequent clinical diseases: SCHISTOSOMA HAEMATOBIUM (endemic in Africa and the Middle East), SCHISTOSOMA MANSONI (in Egypt, northern and southern Africa, some West Indies islands, northern 2/3 of South America), and SCHISTOSOMA JAPONICUM (in Japan, China, the Philippines, Celebes, Thailand, Laos). S. mansoni is often seen in Puerto Ricans living in the United States. | 0 | 2 | 1 | 0 |
Cell Transformation, Neoplastic Cell changes manifested by escape from control mechanisms, increased growth potential, alterations in the cell surface, karyotypic abnormalities, morphological and biochemical deviations from the norm, and other attributes conferring the ability to invade, metastasize, and kill. | 0 | 2 | 1 | 0 |
Brain Inflammation [description not available] | 0 | 2 | 1 | 0 |
Encephalitis Inflammation of the BRAIN due to infection, autoimmune processes, toxins, and other conditions. Viral infections (see ENCEPHALITIS, VIRAL) are a relatively frequent cause of this condition. | 0 | 2 | 1 | 0 |
Infections, Helicobacter [description not available] | 0 | 3.33 | 2 | 0 |
Helicobacter Infections Infections with organisms of the genus HELICOBACTER, particularly, in humans, HELICOBACTER PYLORI. The clinical manifestations are focused in the stomach, usually the gastric mucosa and antrum, and the upper duodenum. This infection plays a major role in the pathogenesis of type B gastritis and peptic ulcer disease. | 0 | 3.33 | 2 | 0 |
Leukemia, Lymphocytic [description not available] | 0 | 2 | 1 | 0 |
Leukemia, Lymphoid Leukemia associated with HYPERPLASIA of the lymphoid tissues and increased numbers of circulating malignant LYMPHOCYTES and lymphoblasts. | 0 | 2 | 1 | 0 |
Cachexia General ill health, malnutrition, and weight loss, usually associated with chronic disease. | 0 | 2 | 1 | 0 |
Carcinoma, Anaplastic [description not available] | 0 | 2.01 | 1 | 0 |
Cancer of Lung [description not available] | 0 | 2.01 | 1 | 0 |
Carcinoma A malignant neoplasm made up of epithelial cells tending to infiltrate the surrounding tissues and give rise to metastases. It is a histological type of neoplasm and not a synonym for cancer. | 0 | 2.01 | 1 | 0 |
Lung Neoplasms Tumors or cancer of the LUNG. | 0 | 2.01 | 1 | 0 |
E coli Infections [description not available] | 0 | 2.01 | 1 | 0 |
Escherichia coli Infections Infections with bacteria of the species ESCHERICHIA COLI. | 0 | 2.01 | 1 | 0 |
Urinary Tract Infections Inflammatory responses of the epithelium of the URINARY TRACT to microbial invasions. They are often bacterial infections with associated BACTERIURIA and PYURIA. | 0 | 2.01 | 1 | 0 |
Bacterial Pneumonia [description not available] | 0 | 2.01 | 1 | 0 |
Pneumonia, Bacterial Inflammation of the lung parenchyma that is caused by bacterial infections. | 0 | 2.01 | 1 | 0 |
Gastritis Inflammation of the GASTRIC MUCOSA, a lesion observed in a number of unrelated disorders. | 0 | 2.92 | 1 | 0 |
Rhinitis, Allergic, Nonseasonal [description not available] | 0 | 2.01 | 1 | 0 |
Rhinitis, Allergic, Perennial Inflammation of the mucous membrane of the nose similar to that found in hay fever except that symptoms persist throughout the year. The causes are usually air-borne allergens, particularly dusts, feathers, molds, animal fur, etc. | 0 | 2.01 | 1 | 0 |
Cardiac Output, Low A state of subnormal or depressed cardiac output at rest or during stress. It is a characteristic of CARDIOVASCULAR DISEASES, including congenital, valvular, rheumatic, hypertensive, coronary, and cardiomyopathic. The serious form of low cardiac output is characterized by marked reduction in STROKE VOLUME, and systemic vasoconstriction resulting in cold, pale, and sometimes cyanotic extremities. | 0 | 3.36 | 1 | 1 |
Anaphylactic Reaction [description not available] | 0 | 2.38 | 2 | 0 |
Anaphylaxis An acute hypersensitivity reaction due to exposure to a previously encountered ANTIGEN. The reaction may include rapidly progressing URTICARIA, respiratory distress, vascular collapse, systemic SHOCK, and death. | 0 | 2.38 | 2 | 0 |
Coronary Thrombosis Coagulation of blood in any of the CORONARY VESSELS. The presence of a blood clot (THROMBUS) often leads to MYOCARDIAL INFARCTION. | 0 | 2.38 | 2 | 0 |
Alcoholic Cirrhosis [description not available] | 0 | 3.36 | 1 | 1 |
Liver Cirrhosis, Alcoholic FIBROSIS of the hepatic parenchyma due to chronic excess ALCOHOL DRINKING. | 0 | 3.36 | 1 | 1 |
Coronary Artery Vasospasm [description not available] | 0 | 5.52 | 6 | 1 |
Coronary Vasospasm Spasm of the large- or medium-sized coronary arteries. | 0 | 5.52 | 6 | 1 |
Torsade de Pointes [description not available] | 0 | 1.97 | 1 | 0 |
Hypertension, Renal Persistent high BLOOD PRESSURE due to KIDNEY DISEASES, such as those involving the renal parenchyma, the renal vasculature, or tumors that secrete RENIN. | 0 | 1.97 | 1 | 0 |
Mesenteric Vascular Occlusion Obstruction of the flow in the SPLANCHNIC CIRCULATION by ATHEROSCLEROSIS; EMBOLISM; THROMBOSIS; STENOSIS; TRAUMA; and compression or intrinsic pressure from adjacent tumors. Rare causes are drugs, intestinal parasites, and vascular immunoinflammatory diseases such as PERIARTERITIS NODOSA and THROMBOANGIITIS OBLITERANS. (From Juergens et al., Peripheral Vascular Diseases, 5th ed, pp295-6) | 0 | 1.97 | 1 | 0 |