| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
histamine
[no description available] | 2 | 1 | 0 | aralkylamino compound;
imidazoles | human metabolite;
mouse metabolite;
neurotransmitter |
theophylline
[no description available] | 2 | 1 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
aspirin
Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 3.35 | 1 | 1 | benzoic acids;
phenyl acetates;
salicylates | anticoagulant;
antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
EC 1.1.1.188 (prostaglandin-F synthase) inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
plant activator;
platelet aggregation inhibitor;
prostaglandin antagonist;
teratogenic agent |
1-(5-isoquinolinesulfonyl)-2-methylpiperazine
1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine: A specific protein kinase C inhibitor, which inhibits superoxide release from human neutrophils (PMN) stimulated with phorbol myristate acetate or synthetic diacylglycerol.. 1-(5-isoquinolinesulfonyl)-2-methylpiperazine : A member of the class of N-sulfonylpiperazines that is 2-methylpiperazine substituted at position 1 by a 5-isoquinolinesulfonyl group. | 1.97 | 1 | 0 | isoquinolines;
N-sulfonylpiperazine | EC 2.7.11.13 (protein kinase C) inhibitor |
1-methyl-3-isobutylxanthine
1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES. 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively. | 2.68 | 3 | 0 | 3-isobutyl-1-methylxanthine | |
milrinone
[no description available] | 2.38 | 2 | 0 | bipyridines;
nitrile;
pyridone | cardiotonic drug;
EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor;
platelet aggregation inhibitor;
vasodilator agent |
papaverine
Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.. papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. | 1.96 | 1 | 0 | benzylisoquinoline alkaloid;
dimethoxybenzene;
isoquinolines | antispasmodic drug;
vasodilator agent |
rolipram
[no description available] | 3.38 | 7 | 0 | pyrrolidin-2-ones | antidepressant;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
zardaverine
zardaverine: structure given in first source. zardaverine : A pyridazinone derivative in which pyridazin-3(2H)-one is substituted at C-6 with a 4-(difluoromethoxy)-3-methoxyphenyl group. It is a phosphodiesterase inhibitor, selective for PDE3 and 4. | 2.9 | 4 | 0 | organofluorine compound;
pyridazinone | anti-asthmatic drug;
bronchodilator agent;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
peripheral nervous system drug |
carbachol
Carbachol: A slowly hydrolyzed CHOLINERGIC AGONIST that acts at both MUSCARINIC RECEPTORS and NICOTINIC RECEPTORS. | 1.98 | 1 | 0 | ammonium salt;
carbamate ester | cardiotonic drug;
miotic;
muscarinic agonist;
nicotinic acetylcholine receptor agonist;
non-narcotic analgesic |
alpha-aminopyridine
alpha-aminopyridine: RN given refers to parent cpd; structure in Merck Index, 9th ed, #485. aminopyridine : Compounds containing a pyridine skeleton substituted by one or more amine groups. | 2 | 1 | 0 | | |
amiloride
Amiloride: A pyrazine compound inhibiting SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. This inhibition creates a negative potential in the luminal membranes of principal cells, located in the distal convoluted tubule and collecting duct. Negative potential reduces secretion of potassium and hydrogen ions. Amiloride is used in conjunction with DIURETICS to spare POTASSIUM loss. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p705). amiloride : A member of the class of pyrazines resulting from the formal monoacylation of guanidine with the carboxy group of 3,5-diamino-6-chloropyrazine-2-carboxylic acid. | 1.97 | 1 | 0 | aromatic amine;
guanidines;
organochlorine compound;
pyrazines | diuretic;
sodium channel blocker |
8-bromo cyclic adenosine monophosphate
8-Bromo Cyclic Adenosine Monophosphate: A long-acting derivative of cyclic AMP. It is an activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase.. 8-Br-cAMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP bearing an additional bromo substituent at position 8 on the adenine ring. An activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase. | 1.98 | 1 | 0 | 3',5'-cyclic purine nucleotide;
adenyl ribonucleotide;
organobromine compound | antidepressant;
protein kinase agonist |
colforsin
Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 2.38 | 2 | 0 | acetate ester;
cyclic ketone;
labdane diterpenoid;
organic heterotricyclic compound;
tertiary alpha-hydroxy ketone;
triol | adenylate cyclase agonist;
anti-HIV agent;
antihypertensive agent;
plant metabolite;
platelet aggregation inhibitor;
protein kinase A agonist |
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 1.96 | 1 | 0 | adenosines;
purines D-ribonucleoside | analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent |
tolafentrine
tolafentrine: a mixed-type phosphodiesterase (PDE) III/IV inhibitor | 2.4 | 2 | 0 | | |
rp 73401
piclamilast: an antiasthmatic agent and phosphodiesterase 4 inhibitor; structure in first source. piclamilast : A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of 3-(cyclopentyloxy)-4-methoxybenzoic acid with the primary amino group of 3,5-dichloropyridin-4-amine. | 2.43 | 2 | 0 | aromatic ether;
benzamides;
chloropyridine;
monocarboxylic acid amide | anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
phosphodiesterase IV inhibitor |
roflumilast
[no description available] | 2 | 1 | 0 | aromatic ether;
benzamides;
chloropyridine;
cyclopropanes;
organofluorine compound | anti-asthmatic drug;
phosphodiesterase IV inhibitor |
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. | 2.05 | 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 |
leukotriene c4
Leukotriene C4: The conjugation product of LEUKOTRIENE A4 and glutathione. It is the major arachidonic acid metabolite in macrophages and human mast cells as well as in antigen-sensitized lung tissue. It stimulates mucus secretion in the lung, and produces contractions of nonvascular and some VASCULAR SMOOTH MUSCLE. (From Dictionary of Prostaglandins and Related Compounds, 1990). leukotriene C4 : A leukotriene that is (5S,7E,9E,11Z,14Z)-5-hydroxyicosa-7,9,11,14-tetraenoic acid in which a glutathionyl group is attached at position 6 via a sulfide linkage. | 2 | 1 | 0 | leukotriene | bronchoconstrictor agent;
human metabolite;
mouse metabolite |
alprostadil
[no description available] | 1.97 | 1 | 0 | prostaglandins E | anticoagulant;
human metabolite;
platelet aggregation inhibitor;
vasodilator agent |
pulmicort
Budesonide: A glucocorticoid used in the management of ASTHMA, the treatment of various skin disorders, and allergic RHINITIS.. budesonide : A glucocorticoid steroid having a highly oxygenated pregna-1,4-diene structure. It is used mainly in the treatment of asthma and non-infectious rhinitis and for treatment and prevention of nasal polyposis. | 2.06 | 1 | 0 | 11beta-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(1),Delta(4)-steroid;
cyclic acetal;
glucocorticoid;
primary alpha-hydroxy ketone | anti-inflammatory drug;
bronchodilator agent;
drug allergen |
thromboxane b2
Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 1.99 | 1 | 0 | thromboxanes B | human metabolite;
mouse metabolite |
taprostene
[no description available] | 1.98 | 1 | 0 | benzoic acids | |
15-hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic acid
15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid: A stable prostaglandin endoperoxide analog which serves as a thromboxane mimetic. Its actions include mimicking the hydro-osmotic effect of VASOPRESSIN and activation of TYPE C PHOSPHOLIPASES. (From J Pharmacol Exp Ther 1983;224(1): 108-117; Biochem J 1984;222(1):103-110) | 2.4 | 2 | 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) | 1.99 | 1 | 0 | | |
cardiovascular agents
Cardiovascular Agents: Agents that affect the rate or intensity of cardiac contraction, blood vessel diameter, or blood volume. | 4.05 | 3 | 1 | | |
interleukin-8
Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells. | 2.06 | 1 | 0 | | |
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. | 2.02 | 1 | 0 | 3',5'-cyclic purine nucleotide;
guanyl ribonucleotide | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
zaprinast
zaprinast: anaphylaxis inhibitor; structure | 2.69 | 3 | 0 | triazolopyrimidines | |
sildenafil citrate
Sildenafil Citrate: A PHOSPHODIESTERASE TYPE-5 INHIBITOR; VASODILATOR AGENT and UROLOGICAL AGENT that is used in the treatment of ERECTILE DYSFUNCTION and PRIMARY PULMONARY HYPERTENSION.. sildenafil citrate : The citrate salt of sildenafil. | 2.02 | 1 | 0 | citrate salt | EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor;
vasodilator agent |