Compounds > pyrrolidine-2,4-dicarboxylic acid
Page last updated: 2024-11-04

pyrrolidine-2,4-dicarboxylic acid

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

pyrrolidine-2,4-dicarboxylic acid: a glutamate uptake inhibitor [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID3868
SCHEMBL ID542244
MeSH IDM0222121

Synonyms (14)

Synonym
2,4-pyrrolidinedicarboxylic acid
pdc-2,4
pyrrolidine-2,4-dicarboxylate
pyrrolidine-2,4-dicarboxylic acid
1-trans-pyrrolidine-2,4-dicarboxylic acid
l-trans-pyrrolidine-2,4-dicarboxylic acid
FT-0651117
FT-0691445
99319-03-6
SCHEMBL542244
(4-chloro-6-methyl-pyrimidin-2-yl)-hydrazine
2,4-pyrrolidinedicarboxylicacid
DTXSID10912746
PB48186

Research Excerpts

Toxicity

ExcerptReferenceRelevance
" At a concentration that was not toxic by itself, L-trans-pyrrolidine-2,4-dicarboxylate increased the toxicity of glutamate approximately fivefold and slowed the clearance of glutamate from the extracellular space."( Inhibition of glutamate uptake with L-trans-pyrrolidine-2,4-dicarboxylate potentiates glutamate toxicity in primary hippocampal cultures.
Buchhalter, JR; Djali, S; Robinson, MB, 1993)		0.29
"Glutamate can be toxic to neurons although it is a neurotransmitter."( Neurons depend on astrocytes in a coculture system for protection from glutamate toxicity.
Brown, DR, 1999)		0.3
" Although all three enzymes initially degraded glutamate rapidly, only GPT was able to reduce toxic (500 microM) levels of glutamate into the physiologic (<20 microM) range."( Enzymatic degradation protects neurons from glutamate excitotoxicity.
Fishman, PS; Matthews, CC; Wollack, JB; Zielke, HR, 2000)		0.31
"Extracellular glutamate is kept below a toxic level by glial and neuronal glutamate transporters."( Gliotoxicity in hippocampal cultures is induced by transportable, but not by nontransportable, glutamate uptake inhibitors.
Cohen-Solal, C; de Jesus Ferreira, MC; Guiramand, J; Martin, A; Récasens, M; Vignes, M, 2005)		0.33

Compound-Compound Interactions

ExcerptReferenceRelevance
" Glu was assayed by capillary electrophoresis with laser-induced fluorescence detection combined with a continuous flow derivatization of dialysates."( Microdialysis monitoring of extracellular glutamate combined with the simultaneous recording of evoked field potentials in hippocampal organotypic slice cultures.
Bert, L; Parisi, L; Renaud, B; Robert, F; Stoppini, L, 1997)		0.3
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Bioassays (2)

Assay IDTitleYearJournalArticle
AID1794808Fluorescence-based screening to identify small molecule inhibitors of Plasmodium falciparum apicoplast DNA polymerase (Pf-apPOL).2014Journal of biomolecular screening, Jul, Volume: 19, Issue:6
A High-Throughput Assay to Identify Inhibitors of the Apicoplast DNA Polymerase from Plasmodium falciparum.
AID1794808Fluorescence-based screening to identify small molecule inhibitors of Plasmodium falciparum apicoplast DNA polymerase (Pf-apPOL).
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (186)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's70 (37.63)18.2507
2000's97 (52.15)29.6817
2010's18 (9.68)24.3611
2020's1 (0.54)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 9.00

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 weak demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index9.00 (24.57)
Research Supply Index5.25 (2.92)
Research Growth Index4.25 (4.65)
Search Engine Demand Index0.00 (26.88)
Search Engine Supply Index0.00 (0.95)

This Compound (9.00)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews1 (0.53%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other189 (99.47%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]
SubstanceRelationship StrengthStudiesTrialsClassesRoles
acetoacetic acid
acetoacetic acid : A 3-oxo monocarboxylic acid that is butyric acid bearing a 3-oxo substituent.		2.01103-oxo fatty acid;
ketone body		metabolite
cysteine sulfinic acid
cysteine sulfinic acid: metabolite of sulfur-containing amino acids		1.9910
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.		4.26180amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid		human metabolite;
neurotransmitter;
Saccharomyces cerevisiae metabolite;
signalling molecule
choline
[no description available]		2.4120cholinesallergen;
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.		2.4220halide anion;
monoatomic chlorine		cofactor;
Escherichia coli metabolite;
human metabolite
3-hydroxybutyric acid
3-Hydroxybutyric Acid: BUTYRIC ACID substituted in the beta or 3 position. It is one of the ketone bodies produced in the liver.. 3-hydroxybutyric acid : A straight-chain 3-hydroxy monocarboxylic acid comprising a butyric acid core with a single hydroxy substituent in the 3- position; a ketone body whose levels are raised during ketosis, used as an energy source by the brain during fasting in humans. Also used to synthesise biodegradable plastics.		210(omega-1)-hydroxy fatty acid;
3-hydroxy monocarboxylic acid;
hydroxybutyric acid		human metabolite
2-aminoadipic acid
2-Aminoadipic Acid: A metabolite in the principal biochemical pathway of lysine. It antagonizes neuroexcitatory activity modulated by the glutamate receptor, N-METHYL-D-ASPARTATE; (NMDA).. 2-aminoadipic acid : An alpha-amino acid that is adipic acid bearing a single amino substituent at position 2. An intermediate in the formation of lysine.		1.9810amino dicarboxylic acid;
dicarboxylic fatty acid;
non-proteinogenic alpha-amino acid		Caenorhabditis elegans metabolite;
mammalian metabolite
malic acid
malic acid : A 2-hydroxydicarboxylic acid that is succinic acid in which one of the hydrogens attached to a carbon is replaced by a hydroxy group.. 2-hydroxydicarboxylic acid : Any dicarboxylic acid carrying a hydroxy group on the carbon atom at position alpha to the carboxy group.		2.06102-hydroxydicarboxylic acid;
C4-dicarboxylic acid		food acidity regulator;
fundamental metabolite
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.		2.4120catechols;
dihydroxyphenylacetic acid		human metabolite
creatine
[no description available]		2.4120glycine 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.		1.99102-hydroxy monocarboxylic acidalgal metabolite;
Daphnia magna metabolite
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy		2.4620aldehyde;
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]		4.62100alpha-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
pyruvic acid
Pyruvic Acid: An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed). pyruvic acid : A 2-oxo monocarboxylic acid that is the 2-keto derivative of propionic acid. It is a metabolite obtained during glycolysis.		2.7302-oxo monocarboxylic acidcofactor;
fundamental metabolite
taurine
[no description available]		2.6930amino sulfonic acid;
zwitterion		antioxidant;
Escherichia coli metabolite;
glycine receptor agonist;
human metabolite;
mouse metabolite;
nutrient;
radical scavenger;
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.		3.94130non-proteinogenic alpha-amino acidNMDA receptor 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.		3.690non-proteinogenic alpha-amino acid
sk&f 82958
[no description available]		210benzazepine
3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid
3-(2-carboxypiperazin-4-yl)propyl-1-phosphonic acid: structure given in first source; NMDA receptor antagonist		3.0950
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.		2.0310amphetamines;
dimethoxybenzene;
organoiodine compound
sk&f-38393
2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine: A selective D1 dopamine receptor agonist used primarily as a research tool.. 1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine-7,8-diol : A benzazepine that is 2,3,4,5-tetrahydro-3-benzazepine bearing a phenyl substituent at position 1 and two hydroxy substituents at positions 7 and 8.. SKF 38393 : A racemate comprising equimolar amounts of (R)- and (S)-SKF 38393		210benzazepine;
catechols;
secondary amino compound
(alpha-carboxycyclopropyl)glycine
(alpha-carboxycyclopropyl)glycine: structure given in first source; glutamate receptor agonist		210alpha-amino acid
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.		210oxopurineadenosine A1 receptor antagonist;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor
3-nitropropionic acid
3-nitropropionic acid: succinate dehydrogenase inactivator; biosynthesized by FABACEAE plants from ASPARAGINE. 3-nitropropanoic acid : A C-nitro compound that is propanoic acid in which one of the methyl hydrogens has been replaced by a nitro group.		2.9240C-nitro compoundantimycobacterial drug;
EC 1.3.5.1 [succinate dehydrogenase (quinone)] inhibitor;
mycotoxin;
neurotoxin
4-aminopyridine
[no description available]		2.4220aminopyridine;
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.		210guaiacols;
monocarboxylic acid		human metabolite;
mouse metabolite
2-amino-4-phosphonobutyric acid
2-amino-4-phosphonobutyric acid: glutamate antagonist in locust muscle; structure; do not confuse with L-AP4, which is the propionic acid version		210
baclofen
[no description available]		1.9810amino acid zwitterion;
gamma-amino acid;
monocarboxylic acid;
monochlorobenzenes;
primary amino compound		central nervous system depressant;
GABA agonist;
muscle relaxant
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.		1.9910pyrrolidines;
tertiary amine		anti-arrhythmia drug;
antihypertensive agent;
calcium channel blocker;
vasodilator agent
chloral hydrate
[no description available]		2.0210aldehyde hydrate;
ethanediol;
organochlorine compound		general anaesthetic;
mouse metabolite;
sedative;
xenobiotic
cycloleucine
Cycloleucine: An amino acid formed by cyclization of leucine. It has cytostatic, immunosuppressive and antineoplastic activities.. 1-aminocyclopentanecarboxylic acid : A non-proteinogenic alpha-amino acid that is cyclopentane substituted at position 1 by amino and carboxy groups.		3.3770non-proteinogenic alpha-amino acidEC 2.5.1.6 (methionine adenosyltransferase) inhibitor
cyclothiazide
cyclothiazide: inhibits the desensitization of AMPA-type receptors; structure. cyclothiazide : 3,4-Dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted at positions 3, 5 and 6 by a 2-norbornen-5-yl group, chlorine, and a sulfonamide group, respectively. A thiazide diuretic, it has been used in the management of hypertension and oedema.		2.9240benzothiadiazineantihypertensive agent;
diuretic
amphetamine
Amphetamine: A powerful central nervous system stimulant and sympathomimetic. Amphetamine has multiple mechanisms of action including blocking uptake of adrenergics and dopamine, stimulation of release of monamines, and inhibiting monoamine oxidase. Amphetamine is also a drug of abuse and a psychotomimetic. The l- and the d,l-forms are included here. The l-form has less central nervous system activity but stronger cardiovascular effects. The d-form is DEXTROAMPHETAMINE.. 1-phenylpropan-2-amine : A primary amine that is isopropylamine in which a hydrogen attached to one of the methyl groups has been replaced by a phenyl group.. amphetamine : A racemate comprising equimolar amounts of (R)-amphetamine (also known as levamphetamine or levoamphetamine) and (S)-amphetamine (also known as dexamfetamine or dextroamphetamine.		2.4120primary amine
fipronil
fipronil: has low mammalian toxicity; structure given in first source. fipronil : A racemate comprising equimolar amounts of (R)- and (S)-fipronil.. 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethyl)sulfinyl]-1H-pyrazole-3-carbonitrile : A member of the class of pyrazoles that is 1H-pyrazole that is substituted at positions 1, 3, 4, and 5 by 2,6-dichloro-4-(trifluoromethyl)phenyl, cyano, (trifluoromethyl)sulfinyl, and amino groups, respectively.		2.0510(trifluoromethyl)benzenes;
dichlorobenzene;
nitrile;
primary amino compound;
pyrazoles;
sulfoxide
furosemide
Furosemide: A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY.. furosemide : A chlorobenzoic acid that is 4-chlorobenzoic acid substituted by a (furan-2-ylmethyl)amino and a sulfamoyl group at position 2 and 5 respectively. It is a diuretic used in the treatment of congestive heart failure.		2.0110chlorobenzoic acid;
furans;
sulfonamide		environmental contaminant;
loop diuretic;
xenobiotic
gyki 52466
GYKI 52466: an AMPA (non-NMDA) receptor antagonist; structure given in first source		210benzodiazepine
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.		210aromatic ketone;
hydroxypiperidine;
monochlorobenzenes;
organofluorine compound;
tertiary alcohol		antidyskinesia agent;
antiemetic;
dopaminergic antagonist;
first generation antipsychotic;
serotonergic antagonist
halothane
[no description available]		1.9910haloalkane;
organobromine compound;
organochlorine compound;
organofluorine compound		inhalation anaesthetic
ifenprodil
ifenprodil: NMDA receptor antagonist		2.0210piperidines
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.		1.9810catechols;
secondary alcohol;
secondary amino compound		beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent
ketanserin
Ketanserin: A selective serotonin receptor antagonist with weak adrenergic receptor blocking properties. The drug is effective in lowering blood pressure in essential hypertension. It also inhibits platelet aggregation. It is well tolerated and is particularly effective in older patients.. ketanserin : A member of the class of quinazolines that is quinazoline-2,4(1H,3H)-dione which is substituted at position 3 by a 2-[4-(p-fluorobenzoyl)piperidin-1-yl]ethyl group.		2.0310aromatic ketone;
organofluorine compound;
piperidines;
quinazolines		alpha-adrenergic antagonist;
antihypertensive agent;
cardiovascular drug;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
serotonergic antagonist
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.		2.9140monohydroxyquinoline;
quinolinemonocarboxylic acid		G-protein-coupled receptor agonist;
human metabolite;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist;
Saccharomyces cerevisiae metabolite
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.		2.0110aminoquinoline;
aromatic amine;
p-quinones;
quinolone		antineoplastic agent;
EC 4.6.1.2 (guanylate cyclase) inhibitor
mecamylamine
Mecamylamine: A nicotinic antagonist that is well absorbed from the gastrointestinal tract and crosses the blood-brain barrier. Mecamylamine has been used as a ganglionic blocker in treating hypertension, but, like most ganglionic blockers, is more often used now as a research tool.		2.4220primary aliphatic amine
memantine
[no description available]		2.9640adamantanes;
primary aliphatic amine		antidepressant;
antiparkinson drug;
dopaminergic agent;
neuroprotective agent;
NMDA receptor antagonist
nomifensine
Nomifensine: An isoquinoline derivative that prevents dopamine reuptake into synaptosomes. The maleate was formerly used in the treatment of depression. It was withdrawn worldwide in 1986 due to the risk of acute hemolytic anemia with intravascular hemolysis resulting from its use. In some cases, renal failure also developed. (From Martindale, The Extra Pharmacopoeia, 30th ed, p266). nomifensine : An N-methylated tetrahydroisoquinoline carrying phenyl and amino substituents at positions C-4 and C-8, respectively.		2.4120isoquinolinesdopamine uptake inhibitor
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).		210benzenetriol;
catecholamine;
primary amino compound		drug metabolite;
human metabolite;
neurotoxin
oxotremorine
Oxotremorine: A non-hydrolyzed muscarinic agonist used as a research tool.		1.9910N-alkylpyrrolidine
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.		2.9340inorganic chloride;
inorganic potassium salt;
potassium salt		fertilizer
propidium
Propidium: Quaternary ammonium analog of ethidium; an intercalating dye with a specific affinity to certain forms of DNA and, used as diiodide, to separate them in density gradients; also forms fluorescent complexes with cholinesterase which it inhibits.		2.0110phenanthridines;
quaternary ammonium ion		fluorochrome;
intercalator
riluzole
Riluzole: A glutamate antagonist (RECEPTORS, GLUTAMATE) used as an anticonvulsant (ANTICONVULSANTS) and to prolong the survival of patients with AMYOTROPHIC LATERAL SCLEROSIS.		210benzothiazoles
sulpiride
Sulpiride: A dopamine D2-receptor antagonist. It has been used therapeutically as an antidepressant, antipsychotic, and as a digestive aid. (From Merck Index, 11th ed). sulpiride : A member of the class of benzamides obtained from formal condensation between the carboxy group of 2-methoxy-5-sulfamoylbenzoic acid and the primary amino group of (1-ethylpyrrolidin-2-yl)methylamine.		210benzamides;
N-alkylpyrrolidine;
sulfonamide		antidepressant;
antiemetic;
antipsychotic agent;
dopaminergic antagonist
3-hydroxyaspartic acid
3-hydroxyaspartic acid: RN given refers to cpd without isomeric designation. 3-hydroxyaspartic acid : A hydroxy-amino acid that is aspartic acid in which one of the methylene hydrogens has been replaced by a hydroxy group.		4.07150amino dicarboxylic acid;
aspartic acid derivative;
C4-dicarboxylic acid;
hydroxy-amino acid
urethane
[no description available]		2.7130carbamate esterfungal metabolite;
mutagen
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.		2.3920pilocarpineantiglaucoma drug
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.		2.0610alanine 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.		2.0110L-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
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.		6.01430aspartate 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.		3.4170amino 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
apomorphine
Apomorphine: A derivative of morphine that is a dopamine D2 agonist. It is a powerful emetic and has been used for that effect in acute poisoning. It has also been used in the diagnosis and treatment of parkinsonism, but its adverse effects limit its use.		2.0110aporphine alkaloidalpha-adrenergic drug;
antidyskinesia agent;
antiparkinson drug;
dopamine agonist;
emetic;
serotonergic drug
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.		2.0110antibiotic 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.		2.420diether;
tertiary amino compound;
tetracarboxylic acid		chelator
asparagine
Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). asparagine : An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group.		2.3920amino acid zwitterion;
asparagine;
aspartate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid		Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite
valine
Valine: A branched-chain essential amino acid that has stimulant activity. It promotes muscle growth and tissue repair. It is a precursor in the penicillin biosynthetic pathway.. valine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.. L-valine : The L-enantiomer of valine.		2.6930L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
pyruvate family amino acid;
valine		algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite
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.		1.9910arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid		biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical
trifluoroacetic acid
Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.. trifluoroacetic acid : A monocarboxylic acid that is the trifluoro derivative of acetic acid.		3.1110fluoroalkanoic acidhuman xenobiotic metabolite;
NMR chemical shift reference compound;
reagent
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4.		3.87120mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene
xanthenes
Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring.		2.0210xanthene
pyrrolidonecarboxylic acid
Pyrrolidonecarboxylic Acid: A cyclized derivative of L-GLUTAMIC ACID. Elevated blood levels may be associated with problems of GLUTAMINE or GLUTATHIONE metabolism.. 5-oxo-L-proline : An optically active form of 5-oxoproline having L-configuration.		2.05105-oxoproline;
L-proline derivative;
non-proteinogenic L-alpha-amino acid		algal metabolite
2-chloroadenosine
5-chloroformycin A: structure given in first source		2.0110purine nucleoside
isoxazoles
Isoxazoles: Azoles with an OXYGEN and a NITROGEN next to each other at the 1,2 positions, in contrast to OXAZOLES that have nitrogens at the 1,3 positions.. isoxazole : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing three carbon atoms and an oxygen and nitrogen atom adjacent to each other. It is the parent of the class of isoxazoles.. isoxazoles : Oxazoles in which the N and O atoms are adjacent.		2.0610isoxazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene
thiazoles
[no description available]		2101,3-thiazoles;
mancude organic heteromonocyclic parent;
monocyclic heteroarene
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.		2.420benzylisoquinoline alkaloid;
isoquinoline alkaloid;
isoquinolines		agrochemical;
central nervous system stimulant;
GABA-gated chloride channel antagonist;
GABAA receptor antagonist;
neurotoxin
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.		4.48230dicarboxylic acid;
L-proline derivative;
non-proteinogenic L-alpha-amino acid;
pyrrolidinecarboxylic acid		antinematodal drug;
excitatory amino acid agonist
methamphetamine
Methamphetamine: A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed.. methamphetamine : A member of the class of amphetamines in which the amino group of (S)-amphetamine carries a methyl substituent.		2.0110amphetamines;
secondary amine		central nervous system stimulant;
environmental contaminant;
neurotoxin;
psychotropic drug;
xenobiotic
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.		2.4120dialdehydebiomarker
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine.		2.4520acetylcysteine;
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
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.		210alpha-tocopherolalgal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite
azetidyl-2-carboxylic acid
azetidyl-2-carboxylic acid: a proline analog (with 4-membered ring in place of 5); a toxic non-protein amino acid that is misincorporated into protein in place of proline; induces nonfunctional heat-shock proteins; inhibits acquired thermotolerance; RN given refers to (L)-isomer; found in beets and Liliaceae. (S)-azetidine-2-carboxylic acid : The (S)-enantiomer of azetidine-2-carboxylic acid.. azetidinecarboxylic acid : A member of the class of azetidines that is azetidine substituted by at least one carboxy group at unspecified position.		210azetidine-2-carboxylic acid
limonene
Limonene: A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).. limonene : A monoterpene that is cyclohex-1-ene substituted by a methyl group at position 1 and a prop-1-en-2-yl group at position 4 respectively.		2.0210cycloalkene;
p-menthadiene		human metabolite
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.		3.95130amino dicarboxylic acid;
D-alpha-amino acid;
D-aspartic acid derivative;
secondary amino compound		neurotransmitter agent
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.		2.3920cadmium molecular entity;
zinc group element atom
helium
Helium: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics.		210monoatomic helium;
noble gas atom;
s-block element atom		food packaging gas
xenon
Xenon: A noble gas with the atomic symbol Xe, atomic number 54, and atomic weight 131.30. It is found in the earth's atmosphere and has been used as an anesthetic.		2.5420monoatomic xenon;
noble gas atom;
p-block element atom
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.		3.1110benzenes;
phenyl acetates
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.		13.331480glutamic acid;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid		Escherichia coli metabolite;
ferroptosis inducer;
micronutrient;
mouse metabolite;
neurotransmitter;
nutraceutical
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).		210inorganic sodium saltantibacterial agent;
explosive;
mitochondrial respiratory-chain inhibitor;
mutagen
phorbol 12,13-dibutyrate
Phorbol 12,13-Dibutyrate: A phorbol ester found in CROTON OIL which, in addition to being a potent skin tumor promoter, is also an effective activator of calcium-activated, phospholipid-dependent protein kinase (protein kinase C). Due to its activation of this enzyme, phorbol 12,13-dibutyrate profoundly affects many different biological systems.		2.0610butyrate ester;
phorbol ester;
tertiary alpha-hydroxy ketone
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.		1.9910pyridinium ionapoptosis inducer;
herbicide;
human xenobiotic metabolite;
neurotoxin
6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
[no description available]		2.1510chromanol;
monocarboxylic acid;
phenols		antioxidant;
ferroptosis inhibitor;
neuroprotective agent;
radical scavenger;
Wnt signalling inhibitor
fura-2
Fura-2: A fluorescent calcium chelating agent which is used to study intracellular calcium in tissues.		1.9910
quinelorane
quinelorane: LY 175887 is dextrorotary isomer; LY 137157 is a racemic mixture		210quinazolines
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit		210adenosines;
purines D-ribonucleoside		analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent
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.		210organic bromide saltcolorimetric reagent;
dye
n-acetylaspartic acid
N-acetyl-L-aspartic acid : An N-acyl-L-aspartic acid in which the acyl group is specified as acetyl.		210N-acetyl-L-amino acid;
N-acyl-L-aspartic acid		antioxidant;
human metabolite;
mouse metabolite;
nutraceutical;
rat metabolite
aspartate-beta-hydroxamate
beta-aspartylhydroxamic acid: RN given refers to (DL)-isomer		2.3920
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.		2.44201,2,3-triazole
d-aspartic acid
[no description available]		2.4120aspartic acid;
D-alpha-amino acid		mouse metabolite
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum.		2.42203-(1-methylpyrrolidin-2-yl)pyridineanxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic
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.		2.3920amino acid zwitterion;
homocysteine;
serine family amino acid		fundamental metabolite;
mouse metabolite
n-(4,4-diphenyl-3-butenyl)nipecotic acid
N-(4,4-diphenyl-3-butenyl)nipecotic acid: structure given in first source		2.6830diarylmethane
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.		2.4120cobalt group element atom;
metal allergen		micronutrient
1-amino-1,3-dicarboxycyclopentane
1-amino-1,3-dicarboxycyclopentane: RN given refers to (cis)-isomer		3.3770
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.		2.4120heterodetic cyclic peptidedelta-opioid receptor agonist
bicuculline methiodide
[no description available]		2.420
epibatidine
epibatidine: a powerful, though toxic, pain killer produced by the poison arrow frog, Epipedobates tricolor; structure given in first source; more potent than morphine but acts at nicotine rather than opiate receptors		2.0210
u 69593
U 69593: selective ligand for opioid K-receptor. U69593 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of phenylacetic acid and the secodary amino group of (5R,7S,8S)-N-methyl-7-(pyrrolidin-1-yl)-1-oxaspiro[4.5]decan-8-amine.		2.4320monocarboxylic acid amide;
N-alkylpyrrolidine;
organic heterobicyclic compound;
oxaspiro compound		anti-inflammatory agent;
diuretic;
kappa-opioid receptor agonist
dihydrokainate
[no description available]		4.25180dicarboxylic acid
3,5-dihydroxyphenylglycine
3,5-dihydroxyphenylglycine: a potent agonst of metabotropic glutamate receptors		210alpha-amino acid
sodium-binding benzofuran isophthalate
sodium-binding benzofuran isophthalate: structure given on p.19451 of first source. sodium-binding benzofuran isophthalate : A crown compound that is 1,4,10-trioxa-7,13-diazacyclopentadecane in which the hydrogens of the amino groups at position 7 and 13 are replaced by 2-(2,4-dicarboxyphenyl)-5-methoxy-1-benzofuran-6-yl groups. It is a cell-impermeant fluorescent sodium indicator.		2101-benzofurans;
aromatic ether;
crown compound;
tetracarboxylic acid		fluorochrome
n(omega)-hydroxyarginine
N(omega)-hydroxyarginine: can cause vasorelaxation of bovine intrapulmonary artery; structure given in first source. N(5)-[(Z)-amino(hydroxyimino)methyl]-L-ornithine : An N(5)-[amino(hydroxyimino)methyl]-L-ornithine in which the double bond has Z-configuration.		1.9910amino acid zwitterion;
N(5)-[(E)-amino(hydroxyimino)methyl]ornithine;
N(5)-[(hydroxyamino)(imino)methyl]ornithine;
N(5)-[(Z)-amino(hydroxyimino)methyl]ornithine;
N(5)-[amino(hydroxyimino)methyl]-L-ornithine;
N(5)-[amino(hydroxyimino)methyl]ornithine;
N(omega)-hydroxy-L-arginine
azetidine-2,4-dicarboxylic acid
azetidine-2,4-dicarboxylic acid: activates neuronal metabotropic receptors; RN given refers to (trans-isomer); RN for cpd without isomeric designation not avail 10/93		210
gyki 53655
GYKI 53655: an AMPA (alpha-amino-3-hydroxy-5-methylisoxazole-4-propionate) receptor antagonist		2.0110
ly 293558
tezampanel: structure given in first source; an AMPA receptor antagonist		1.9910
3-(4-chlorophenyl)glutamic acid
[no description available]		1.9810
proline
Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2.		1.9810amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid		algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite
zm 241385
ZM 241385: a high affinity radioligand selective for the A2a adenosine receptor		2.4420diamino-1,3,5-triazine
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.		7.3920homocysteic acidNMDA receptor agonist
3-methylglutamic acid
[no description available]		2.0110
benzofurans
Benzofurans: Compounds that contain a BENZENE ring fused to a furan ring.		210
acivicin
[no description available]		2.0610isoxazoles;
non-proteinogenic L-alpha-amino acid;
organochlorine compound		antileishmanial agent;
antimetabolite;
antimicrobial agent;
antineoplastic agent;
EC 2.3.2.2 (gamma-glutamyltransferase) inhibitor;
glutamine antagonist;
metabolite
anatoxin a
anatoxin a: found in Anabaena; was indexed to cyanobacterial toxin (MARINE TOXINS) 1978-2006; also see anatoxin-a(s)		2.0210tropane alkaloid
theanine
theanine: RN given refers to (L)-isomer; precursor of ethylamine; found in green tea. N(5)-ethyl-L-glutamine : A N(5)-alkylglutamine where the alkyl group is ethyl. It has been isolated from green tea.		2.9410amino acid zwitterion;
N(5)-alkyl-L-glutamine		geroprotector;
neuroprotective agent;
plant 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.		21011alpha-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
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.		2.0110icosa-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
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca.		2.4220benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid		adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic
alpha-methyl-4-carboxyphenylglycine
alpha-methyl-4-carboxyphenylglycine: glutamate receptor antagonist. (S)-alpha-methyl-4-carboxyphenylglycine : A non-proteinogenic alpha-amino acid that is alanine in which the alpha-hydrogen is replaced by a 4-carboxyphenyl group (the S-enantiomer). It is a non-selective group I/group II metabotropic glutamate receptor (mGluR) antagonist.		2.940non-proteinogenic alpha-amino acidmetabotropic glutamate receptor antagonist
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.		210pentapeptide;
peptide zwitterion		analgesic;
delta-opioid receptor agonist;
human metabolite;
mu-opioid receptor agonist;
neurotransmitter;
rat metabolite
ammonium acetate
ammonium acetate : An ammonium salt obtained by reaction of ammonia with acetic acid. A deliquescent white crystalline solid, it has a relatively low melting point (114degreeC) for a salt. Used as a food acidity regulator, although no longer approved for this purpose in the EU.		3.1110acetate salt;
ammonium salt		buffer;
food acidity regulator
phenyl-n-tert-butylnitrone
phenyl-N-tert-butylnitrone: a spin-trapping agent		210
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.		210one-carbon compound;
thioureas;
ureas		antioxidant;
chromophore
n-methyl-n-(tert-butyldimethylsilyl)trifluoroacetamide
N-(tert-butyldimethylsilyl)-N-methyltrifluoroacetamide : An N-silyl compound that is N-methyltrifluoroacetamide in which the amide nitrogen is replaced by a tert-butyldimethylsilyl group.		3.1110monocarboxylic acid amide;
N-silyl compound;
trifluoroacetamide		chromatographic reagent
tamoxifen
[no description available]		1.9810stilbenoid;
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
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.		2.0110cobalt salt;
inorganic chloride		allergen;
calcium channel blocker;
sensitiser;
two-colour indicator
cystine
[no description available]		2.0210
2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline
2,3-dioxo-6-nitro-7-sulfamoylbenzo(f)quinoxaline: structure given in first source; neuroprotectant for cerebral ischemia; AMPA receptor antagonist		3.6190naphthalenes;
sulfonic acid derivative
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.		3.3870quinoxaline derivative
fg 9041
FG 9041: structure given in first source		2.420quinoxaline derivative
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.		210ethyl ester;
maleate ester		glutathione depleting agent
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.		2.0110morphinane alkaloid;
organic heteropentacyclic compound;
tertiary amino compound		anaesthetic;
drug allergen;
environmental contaminant;
geroprotector;
mu-opioid receptor agonist;
opioid analgesic;
plant metabolite;
vasodilator agent;
xenobiotic
4-aminocrotonic acid
[no description available]		2.0510
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.		1.9810alkaline earth metal atom;
elemental barium
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.		2.7130cyclopropanes;
morphinane-like compound;
organic heteropentacyclic compound		antidote to opioid poisoning;
central nervous system depressant;
environmental contaminant;
mu-opioid receptor antagonist;
xenobiotic
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.		2.6930cysteiniumfundamental metabolite
norbinaltorphimine
norbinaltorphimine: kappa opiate receptor antagonist; structure given in first source		2.7130isoquinolines
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.		2.0410
cgp 37849
2-amino-4-methyl-5-phosphono-3-pentenoic acid: N-methyl-D-aspartate receptor antagonist; structure given in first source; RN given refers to cpd without isomeric designation; CGP-40116 is the (R)-enantiomer of CGP-37849; CGP-40017 is the L-isomer		210
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.		8.690azatetracycloalkane;
oxatetracycloalkane;
quinazoline alkaloid		animal metabolite;
bacterial metabolite;
marine metabolite;
neurotoxin;
voltage-gated sodium channel blocker
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.		4.14160maleate salt;
tetracyclic antidepressant		anaesthetic;
anticonvulsant;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist
bafilomycin a1
bafilomycin A1: from Streptomyces griseus; structure given in first source. bafilomycin A1 : The most used of the bafilomycins, a family of toxic macrolide antibiotics derived from Streptomyces griseus.		210cyclic hemiketal;
macrolide antibiotic;
oxanes		apoptosis inducer;
autophagy inhibitor;
bacterial metabolite;
EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor;
EC 3.6.3.14 (H(+)-transporting two-sector ATPase) inhibitor;
ferroptosis inhibitor;
fungicide;
potassium ionophore;
toxin
cgp 39653
CGP 39653: NMDA receptor antagonist; structure given in first source		1.9810
ro 25-6981
Ro 25-6981: blocks NMDA receptors containg NR2B subunit; structure in first source. Ro 25-6981 : A member of the class of piperidines that is 4-benzylpiperidine substituted by a 3-hydroxy-3-(4-hydroxyphenyl)-2-methylpropyl group at position 1 (the 1R,2S-stereoisomer). It is a potent antagonist of the GluN2B subunit of the N-methyl-D-aspartate (NMDA) receptor.		2.0210benzenes;
phenols;
piperidines;
secondary alcohol;
tertiary amino compound		anticonvulsant;
antidepressant;
neuroprotective agent;
NMDA receptor antagonist
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.		2.0210L-cysteine derivative;
nitrosothio compound		hematologic agent;
platelet aggregation inhibitor;
vasodilator agent
dehydroevodiamine
dehydroevodiamine: RN given refers to hydroxide, inner salt; structure in first source.		2.0210
kb r7943
2-(2-(4-(4-nitrobenzyloxy)phenyl)ethyl)isothiourea methanesulfonate: inhibits the reverse mode of Na+/Ca++ exchange in cells expressing NCX1; structure in first source		210
cgp 55845a
CGP 55845A: GABA-B receptor antagonist; RN refers to cpd with no isomeric designation; CGP 55845 is the (1S,2S)-isomer		1.9810
alpha-synuclein
alpha-Synuclein: A synuclein that is a major component of LEWY BODIES and plays a role in SYNUCLEINOPATHIES, neurodegeneration and neuroprotection.		2.0410
ly 341495
LY 341495: structure in first source		2.0210
veratridine
Veratridine: A benzoate-cevane found in VERATRUM and Schoenocaulon. It activates SODIUM CHANNELS to stay open longer than normal.		210
dextrothyroxine
[no description available]		2.0410
scopolamine hydrobromide
[no description available]		1.9910
serofendic acid
serofendic acid: structure in first source		2.0210
5-(alpha-methyl-4-bromobenzylamino)phosphonomethyl-1,4-dihydroquinoxaline-2,3-dione
5-(alpha-methyl-4-bromobenzylamino)phosphonomethyl-1,4-dihydroquinoxaline-2,3-dione: an excitatory amino acid antagonist; structure in first source		2.0210
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.		2.0610peptide hormone
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.		2.42203',5'-cyclic purine nucleotide
picrotoxin
Picrotoxin: A noncompetitive antagonist at GABA-A receptors and thus a convulsant. Picrotoxin blocks the GAMMA-AMINOBUTYRIC ACID-activated chloride ionophore. Although it is most often used as a research tool, it has been used as a CNS stimulant and an antidote in poisoning by CNS depressants, especially the barbiturates.. picrotoxin : A mixture consisting of equimolar amounts of picrotoxinin and picrotin found in the climbing plant Anamirta cocculus.		3.1150
piperidines
Piperidines: A family of hexahydropyridines.		2.0210
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.		2.940ascorbic acid;
vitamin C		coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent
omega-agatoxin iva
omega-Agatoxin IVA: A neuropeptide toxin from the venom of the funnel web spider, Agelenopsis aperta. It inhibits CALCIUM CHANNELS, P-TYPE by altering the voltage-dependent gating so that very large depolarizations are needed for channel opening. It also inhibits CALCIUM CHANNELS, Q-TYPE.		2.0310
gastrin-releasing peptide
Gastrin-Releasing Peptide: Neuropeptide and gut hormone that helps regulate GASTRIC ACID secretion and motor function. Once released from nerves in the antrum of the STOMACH, the neuropeptide stimulates release of GASTRIN from the GASTRIN-SECRETING CELLS.		2.0310
glutaminase
[no description available]		2.0210
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.		2.41203',5'-cyclic purine nucleotide;
guanyl ribonucleotide		Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite
zaprinast
zaprinast: anaphylaxis inhibitor; structure		2.0110triazolopyrimidines
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.		1.99103',5'-cyclic purine nucleotide;
organobromine compound		muscle relaxant;
protein kinase G agonist
ConditionIndicatedRelationship StrengthStudiesTrials
Plasmodium falciparum Malaria
[description not available]		02.110
Malaria, Falciparum
Malaria caused by PLASMODIUM FALCIPARUM. This is the severest form of malaria and is associated with the highest levels of parasites in the blood. This disease is characterized by irregularly recurring febrile paroxysms that in extreme cases occur with acute cerebral, renal, or gastrointestinal manifestations.		02.110
Ataxia
Impairment of the ability to perform smoothly coordinated voluntary movements. This condition may affect the limbs, trunk, eyes, pharynx, larynx, and other structures. Ataxia may result from impaired sensory or motor function. Sensory ataxia may result from posterior column injury or PERIPHERAL NERVE DISEASES. Motor ataxia may be associated with CEREBELLAR DISEASES; CEREBRAL CORTEX diseases; THALAMIC DISEASES; BASAL GANGLIA DISEASES; injury to the RED NUCLEUS; and other conditions.		02.0810
Fra(X) Syndrome
[description not available]		02.0810
Action Tremor
[description not available]		02.0810
Fragile X Syndrome
A condition characterized genotypically by mutation of the distal end of the long arm of the X chromosome (at gene loci FRAXA or FRAXE) and phenotypically by cognitive impairment, hyperactivity, SEIZURES, language delay, and enlargement of the ears, head, and testes. INTELLECTUAL DISABILITY occurs in nearly all males and roughly 50% of females with the full mutation of FRAXA. (From Menkes, Textbook of Child Neurology, 5th ed, p226)		02.0810
Tremor
Cyclical movement of a body part that can represent either a physiologic process or a manifestation of disease. Intention or action tremor, a common manifestation of CEREBELLAR DISEASES, is aggravated by movement. In contrast, resting tremor is maximal when there is no attempt at voluntary movement, and occurs as a relatively frequent manifestation of PARKINSON DISEASE.		02.0810
Autosomal Dominant Juvenile Parkinson Disease
[description not available]		02.110
Disease Models, Animal
Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases.		03.1350
Parkinsonian Disorders
A group of disorders which feature impaired motor control characterized by bradykinesia, MUSCLE RIGIDITY; TREMOR; and postural instability. Parkinsonian diseases are generally divided into primary parkinsonism (see PARKINSON DISEASE), secondary parkinsonism (see PARKINSON DISEASE, SECONDARY) and inherited forms. These conditions are associated with dysfunction of dopaminergic or closely related motor integration neuronal pathways in the BASAL GANGLIA.		02.110
Body Weight
The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.		02.4420
Nerve Pain
[description not available]		02.1310
Neuralgia
Intense or aching pain that occurs along the course or distribution of a peripheral or cranial nerve.		02.1310
Acute Confusional Senile Dementia
[description not available]		02.1310
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)		02.1310
Pregnancy
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.		02.9340
Aura
[description not available]		02.730
Deficiency, Magnesium
[description not available]		02.0510
Aging
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.		03.3970
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)		02.730
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)		02.0510
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.		02.9340
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.		02.0810
Ache
[description not available]		02.0110
Pain
An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS.		02.0110
Cerebral Ischemia
[description not available]		03.150
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.		03.150
Anxiety
Feelings or emotions of dread, apprehension, and impending disaster but not disabling as with ANXIETY DISORDERS.		02.0110
Anoxemia
[description not available]		02.9240
Hypoxia
Sub-optimal OXYGEN levels in the ambient air of living organisms.		02.9240
ALS - Amyotrophic Lateral Sclerosis
[description not available]		02.7130
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)		02.7130
Allodynia
[description not available]		02.4420
Polyarthritis
[description not available]		02.0310
Temporomandibular Disorders
[description not available]		02.0310
Arthritis
Acute or chronic inflammation of JOINTS.		02.0310
Temporomandibular Joint Disorders
A variety of conditions affecting the anatomic and functional characteristics of the temporomandibular joint. Factors contributing to the complexity of temporomandibular diseases are its relation to dentition and mastication and the symptomatic effects in other areas which account for referred pain to the joint and the difficulties in applying traditional diagnostic procedures to temporomandibular joint pathology where tissue is rarely obtained and x-rays are often inadequate or nonspecific. Common diseases are developmental abnormalities, trauma, subluxation, luxation, arthritis, and neoplasia. (From Thoma's Oral Pathology, 6th ed, pp577-600)		02.0310
Brain Inflammation
[description not available]		02.0310
Astrocytosis
[description not available]		02.0310
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.		03.3870
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.		02.0310
Affective Disorders
[description not available]		02.0310
Mood Disorders
Those disorders that have a disturbance in mood as their predominant feature.		02.0310
Apnea
A transient absence of spontaneous respiration.		01.9810
Absence Seizure
[description not available]		01.9910
Seizures
Clinical or subclinical disturbances of cortical function due to a sudden, abnormal, excessive, and disorganized discharge of brain cells. Clinical manifestations include abnormal motor, sensory and psychic phenomena. Recurrent seizures are usually referred to as EPILEPSY or seizure disorder.		01.9910
MPTP Neurotoxicity Syndrome
[description not available]		01.9910
Myoclonic Jerk
[description not available]		0210
Cerebral Infarction, Middle Cerebral Artery
[description not available]		0210
Infarction, Middle Cerebral Artery
NECROSIS occurring in the MIDDLE CEREBRAL ARTERY distribution system which brings blood to the entire lateral aspects of each CEREBRAL HEMISPHERE. Clinical signs include impaired cognition; APHASIA; AGRAPHIA; weak and numbness in the face and arms, contralaterally or bilaterally depending on the infarction.		0210
Amnesia-Memory Loss
[description not available]		0210
Amnesia
Pathologic partial or complete loss of the ability to recall past experiences (AMNESIA, RETROGRADE) or to form new memories (AMNESIA, ANTEROGRADE). This condition may be of organic or psychologic origin. Organic forms of amnesia are usually associated with dysfunction of the DIENCEPHALON or HIPPOCAMPUS. (From Adams et al., Principles of Neurology, 6th ed, pp426-7)		0210
Anterior Horn Cell Disease
[description not available]		0210
Motor Neuron Disease
Diseases characterized by a selective degeneration of the motor neurons of the spinal cord, brainstem, or motor cortex. Clinical subtypes are distinguished by the major site of degeneration. In AMYOTROPHIC LATERAL SCLEROSIS there is involvement of upper, lower, and brainstem motor neurons. In progressive muscular atrophy and related syndromes (see MUSCULAR ATROPHY, SPINAL) the motor neurons in the spinal cord are primarily affected. With progressive bulbar palsy (BULBAR PALSY, PROGRESSIVE), the initial degeneration occurs in the brainstem. In primary lateral sclerosis, the cortical neurons are affected in isolation. (Adams et al., Principles of Neurology, 6th ed, p1089)		0210
Adjuvant Arthritis
[description not available]		0210