| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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. | 1.97 | 1 | 0 | carbon oxoanion | cofactor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
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) | 2.02 | 1 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human 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. | 1.97 | 1 | 0 | non-proteinogenic alpha-amino acid | NMDA receptor antagonist |
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. | 2 | 1 | 0 | aromatic ether;
nitrile;
polyether;
tertiary amino compound | |
ether
Ether: A mobile, very volatile, highly flammable liquid used as an inhalation anesthetic and as a solvent for waxes, fats, oils, perfumes, alkaloids, and gums. It is mildly irritating to skin and mucous membranes.. ether : An organooxygen compound with formula ROR, where R is not hydrogen.. diethyl ether : An ether in which the oxygen atom is linked to two ethyl groups. | 1.96 | 1 | 0 | ether;
volatile organic compound | inhalation anaesthetic;
non-polar solvent;
refrigerant |
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. | 1.95 | 1 | 0 | catechols;
secondary alcohol;
secondary amino compound | beta-adrenergic agonist;
bronchodilator agent;
cardiotonic drug;
sympathomimetic agent |
losartan
Losartan: An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.. losartan : A biphenylyltetrazole where a 1,1'-biphenyl group is attached at the 5-position and has an additional trisubstituted imidazol-1-ylmethyl group at the 4'-position | 1.99 | 1 | 0 | biphenylyltetrazole;
imidazoles | angiotensin receptor antagonist;
anti-arrhythmia drug;
antihypertensive agent;
endothelin receptor antagonist |
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. | 1.96 | 1 | 0 | naphthalenes;
propanolamine;
secondary amine | anti-arrhythmia drug;
antihypertensive agent;
anxiolytic drug;
beta-adrenergic antagonist;
environmental contaminant;
human blood serum metabolite;
vasodilator agent;
xenobiotic |
corticosterone
[no description available] | 2.37 | 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. | 2.37 | 2 | 0 | imidazoles;
phenols;
substituted aniline;
tertiary amino compound | alpha-adrenergic antagonist;
vasodilator agent |
thymidine
[no description available] | 1.98 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse metabolite |
bretylium tosylate
Bretylium Tosylate: An agent that blocks the release of adrenergic transmitters and may have other actions. It was formerly used as an antihypertensive agent, but is now proposed as an anti-arrhythmic.. bretylium tosylate : The tosylate salt of bretylium. It blocks noradrenaline release from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular tachycardia and ventricular fibrillation. | 2.38 | 2 | 0 | organosulfonate salt;
quaternary ammonium salt | adrenergic antagonist;
anti-arrhythmia drug;
antihypertensive agent |
desoxycorticosterone
Desoxycorticosterone: A steroid metabolite that is the 11-deoxy derivative of CORTICOSTERONE and the 21-hydroxy derivative of PROGESTERONE | 1.96 | 1 | 0 | 20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
mineralocorticoid;
primary alpha-hydroxy ketone | human metabolite;
mouse metabolite |
chlorisondamine
Chlorisondamine: A nicotinic antagonist used primarily as a ganglionic blocker in animal research. It has been used as an antihypertensive agent but has been supplanted by more specific drugs in most clinical applications. | 2.88 | 4 | 0 | isoindoles | |
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. | 2 | 1 | 0 | arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid | biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical |
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 |
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. | 2.38 | 2 | 0 | alkanethiol;
L-proline derivative;
N-acylpyrrolidine;
pyrrolidinemonocarboxylic acid | antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor |
relcovaptan
relcovaptan: a nonpeptide vasopressin V1 receptor antagonist; structure given in first source | 2.4 | 2 | 0 | proline derivative | |
bicuculline methiodide
[no description available] | 2.02 | 1 | 0 | | |
1h-indene-2-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-3-(2- (carboxymethoxy)-4-methoxyphenyl)-2,3-dihydro-5-propoxy-, (1s,2r,3s)-
1H-Indene-2-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-3-(2- (carboxymethoxy)-4-methoxyphenyl)-2,3-dihydro-5-propoxy-, (1S,2R,3S)-: an ET(A) and ET(B) endothelin receptor antagonist; structure in first source | 1.99 | 1 | 0 | | |
mozavaptan
mozavaptan: aquaretic agent; vasopressin V2 receptor antagonist; structure given in first source | 2.4 | 2 | 0 | benzamides | aquaretic |
1-((beta-mercapto-beta)beta cyclopentamethylenepropionic acid)-2-(o-ethyl-tyr)-4-val-9-des-gly-arginine vasopressin
1-((beta-mercapto-beta)beta cyclopentamethylenepropionic acid)-2-(O-ethyl-Tyr)-4-Val-9-des-Gly-arginine vasopressin: vasopressin receptor antagonist; RN given refers to (D-Tyr)-isomer; RN for cpd without isomeric designation not available 8/89 | 2.4 | 2 | 0 | | |
conivaptan
conivaptan : The amide resulting from the formal condensation of 4-[(biphenyl-2-ylcarbonyl)amino]benzoic acid with the benzazepine nitrogen of 2-methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine. It is an antagonist for two of the three types of arginine vasopressin (AVP) receptors, V1a and V2. It is used as its hydrochloride salt for the treatment of hyponatraemia (low blood sodium levels) caused by syndrome of inappropriate antidiuretic hormone (SIADH). | 1.99 | 1 | 0 | benzazepine | aquaretic;
vasopressin receptor antagonist |
satavaptan
satavaptan: a vasopressin V2 receptor antagonist; structure given in first source | 2.4 | 2 | 0 | | |
argipressin,beta-mercapto-beta,beta-cyclopentamethylenepropionic acid(1)-val(4)-
argipressin,beta-mercapto-beta,beta-cyclopentamethylenepropionic acid(1)-Val(4)-: potent, selective inhibitor of vasopressor response to arginine vasopressin | 1.96 | 1 | 0 | | |
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). | 2.37 | 2 | 0 | amino acid zwitterion;
angiotensin II | human metabolite |
lixivaptan
[no description available] | 2 | 1 | 0 | | |
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. | 2.66 | 3 | 0 | heterodetic cyclic peptide;
peptide hormone | oxytocic;
vasodilator agent |
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 | |
teprotide
Teprotide: A synthetic nonapeptide (Pyr-Trp-Pro-Arg-Pro-Gln-Ile-Pro-Pro) which is identical to the peptide from the venom of the snake, Bothrops jararaca. It inhibits kininase II and ANGIOTENSIN I and has been proposed as an antihypertensive agent. | 1.96 | 1 | 0 | peptide | |
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. | 1.97 | 1 | 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 |
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. | 2 | 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. | 5.21 | 50 | 0 | vasopressin | cardiovascular drug;
hematologic agent;
mitogen |
methylatropine
methylatropine: RN given refers to endo-(+-)-isomer; structure in Negwer, 5th ed, #3766 | 1.96 | 1 | 0 | | |
u-50488
3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer: A non-peptide, kappa-opioid receptor agonist which has also been found to stimulate the release of adrenocorticotropin (ADRENOCORTICOTROPIC HORMONE) via the release of hypothalamic arginine vasopressin (ARGININE VASOPRESSIN) and CORTICOTROPIN-RELEASING HORMONE. (From J Pharmacol Exp Ther 1997;280(1):416-21). U50488 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of 3,4-dichlorophenylacetic acid and the secondary amino group of (1R,2R)-N-methyl-2-(pyrrolidin-1-yl)cyclohexanamine | 2.4 | 2 | 0 | dichlorobenzene;
monocarboxylic acid amide;
N-alkylpyrrolidine | analgesic;
antitussive;
calcium channel blocker;
diuretic;
kappa-opioid receptor agonist |
oxytocin, thr(4)-gly(7)-
oxytocin, Thr(4)-Gly(7)-: RN given refers to parent cpd | 1.99 | 1 | 0 | | |
argipressin, beta-mercapto(beta,beta)-cyclopentamethylenepropionic acid(1)-ile(2,4)-
argipressin, beta-mercapto(beta,beta)-cyclopentamethylenepropionic acid(1)-Ile(2,4)-: RN refers to (L-Ile-D-Ile-L-Arg)-isomer; vasopressin and vasopressin (2) receptor antagonist | 2 | 1 | 0 | | |
argipressin, deaminopenicillamine(1)-val(4)-
argipressin, deaminopenicillamine(1)-Val(4)-: antagonist of vasopressor effect of vasopressin | 1.97 | 1 | 0 | | |
argipressin (4-8)
argipressin (4-8): corticotropin-releasing hormone antagonist | 1.97 | 1 | 0 | | |
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. | 1.98 | 1 | 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. | 1.98 | 1 | 0 | monocarboxylic acid;
prostaglandins Falpha | human metabolite;
mouse metabolite |
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. | 2.66 | 3 | 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. | 2.4 | 2 | 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 |
deamino arginine vasopressin
Deamino Arginine Vasopressin: A synthetic analog of the pituitary hormone, ARGININE VASOPRESSIN. Its action is mediated by the VASOPRESSIN receptor V2. It has prolonged antidiuretic activity, but little pressor effects. It also modulates levels of circulating FACTOR VIII and VON WILLEBRAND FACTOR. | 2.65 | 3 | 0 | heterodetic cyclic peptide | diagnostic agent;
renal agent;
vasopressin receptor agonist |
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. | 2.4 | 2 | 0 | maleate salt;
tetracyclic antidepressant | anaesthetic;
anticonvulsant;
neuroprotective agent;
nicotinic antagonist;
NMDA receptor antagonist |
vasopressin, 1-(1-mercaptocyclohexaneacetic acid)-2-(o- methyl-l-tyrosine)-8-l-arginine-
vasopressin, 1-(1-mercaptocyclohexaneacetic acid)-2-(O- methyl-L-tyrosine)-8-L-arginine-: highly potent antagonist of vasopressor response to arginine-vasopressin; structure in first source | 2.88 | 4 | 0 | | |
pentagastrin
Pentagastrin: A synthetic pentapeptide that has effects like gastrin when given parenterally. It stimulates the secretion of gastric acid, pepsin, and intrinsic factor, and has been used as a diagnostic aid. | 2.37 | 2 | 0 | organic molecular entity | |
pituitrin
Pituitrin: A substance or extract from the neurohypophysis (PITUITARY GLAND, POSTERIOR). | 4.53 | 25 | 0 | | |
gastrins
Gastrins: A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. | 1.96 | 1 | 0 | | |
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). | 1.95 | 1 | 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) | 2 | 1 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 2 | 1 | 0 | | |