Page last updated: 2024-10-24
negative regulation of vasculogenesis
Definition
Target type: biologicalprocess
Any process that stops, prevents or reduces the frequency, rate or extent of vasculogenesis. [GOC:obol]
Negative regulation of vasculogenesis is a crucial process that inhibits the formation of new blood vessels from pre-existing vascular progenitors called angioblasts. This intricate process is tightly regulated by a complex interplay of signaling molecules, transcription factors, and extracellular matrix components.
**Key Players in Negative Regulation of Vasculogenesis:**
* **Anti-angiogenic factors:** These molecules, such as thrombospondin-1, endostatin, and angiostatin, directly inhibit the proliferation, migration, and differentiation of angioblasts, thereby suppressing vasculogenesis.
* **Inhibitors of vascular growth factors:** Factors like VEGF inhibitors (e.g., soluble VEGF receptors) block the signaling pathways of pro-angiogenic factors, preventing their stimulatory effects on vasculogenesis.
* **Transcription factors:** Specific transcription factors, such as GATA2 and KLF4, can repress the expression of genes involved in angiogenesis, contributing to the inhibition of vasculogenesis.
* **Extracellular matrix components:** Components of the extracellular matrix, like collagen and laminin, can modulate cell adhesion and migration, potentially inhibiting angioblast movement and vessel formation.
**Molecular Mechanisms of Negative Regulation:**
* **Signal transduction inhibition:** Anti-angiogenic factors and inhibitors of vascular growth factors interfere with signaling pathways, preventing the activation of downstream targets that promote vasculogenesis.
* **Transcriptional repression:** Transcription factors can bind to specific DNA sequences in the promoters of pro-angiogenic genes, blocking their expression and thereby inhibiting vasculogenesis.
* **Cell cycle regulation:** Some anti-angiogenic factors can induce cell cycle arrest, preventing the proliferation of angioblasts and inhibiting vessel formation.
**Biological Significance of Negative Regulation of Vasculogenesis:**
* **Tissue homeostasis:** Tight regulation of vasculogenesis is essential to maintain tissue homeostasis and prevent uncontrolled vessel growth, which can lead to pathologies like tumor angiogenesis.
* **Wound healing:** While vasculogenesis is crucial for wound healing, excessive vessel formation can impede tissue repair. Negative regulation ensures balanced angiogenesis during wound healing.
* **Development:** During embryonic development, negative regulation of vasculogenesis helps ensure proper vessel formation and prevent malformations.
**Clinical Implications:**
* **Cancer therapy:** Anti-angiogenic therapies target the negative regulators of vasculogenesis to suppress tumor growth and metastasis by inhibiting tumor blood supply.
* **Disease prevention:** Understanding the mechanisms of negative regulation of vasculogenesis can lead to the development of novel therapeutic strategies to prevent and treat diseases associated with abnormal vessel formation.'
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Proteins (1)
| Protein | Definition | Taxonomy |
|---|---|---|
| Xanthine dehydrogenase/oxidase | A xanthine dehydrogenase/oxidase that is encoded in the genome of human. [PRO:DNx, UniProtKB:P47989] | Homo sapiens (human) |
Compounds (81)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| adenine | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite | |
| taxifolin | 3'-hydroxyflavanones; 4'-hydroxyflavanones; dihydroflavonols; pentahydroxyflavanone; secondary alpha-hydroxy ketone | ||
| 5,6-dimethylbenzimidazole | 5,6-dimethylbenzimidazole : A dimethylbenzimidazole carrying methyl substituents at positions 5 and 6. 5,6-dimethylbenzimidazole: RN given refers to parent cpd | dimethylbenzimidazole | Escherichia coli metabolite; human metabolite |
| niacin | Niacin: A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has PELLAGRA-curative, vasodilating, and antilipemic properties. nicotinic acid : A pyridinemonocarboxylic acid that is pyridine in which the hydrogen at position 3 is replaced by a carboxy group. vitamin B3 : Any member of a group of vitamers that belong to the chemical structural class called pyridines that exhibit biological activity against vitamin B3 deficiency. Vitamin B3 deficiency causes a condition known as pellagra whose symptoms include depression, dermatitis and diarrhea. The vitamers include nicotinic acid and nicotinamide (and their ionized and salt forms). | pyridine alkaloid; pyridinemonocarboxylic acid; vitamin B3 | antidote; antilipemic drug; EC 3.5.1.19 (nicotinamidase) inhibitor; Escherichia coli metabolite; human urinary metabolite; metabolite; mouse metabolite; plant metabolite; vasodilator agent |
| propyl gallate | Propyl Gallate: Antioxidant for foods, fats, oils, ethers, emulsions, waxes, and transformer oils. | trihydroxybenzoic acid | |
| methyl gallate | methyl 3,4,5-trihydroxybenzoate : A gallate ester obtained by the formal condensation of gallic acid with methanol. It exhibits anti-oxidant, anti-tumor, anti-microbial and anti-inflammatory properties. methyl gallate: has both immunosuppressive and phytogenic antineoplastic activities; isolated from Acer saccharinum | gallate ester | anti-inflammatory agent; antioxidant; plant metabolite |
| methylparaben | methylparaben : A 4-hydroxybenzoate ester resulting from the formal condensation of the carboxy group of 4-hydroxybenzoic acid with methanol. It is the most frequently used antimicrobial preservative in cosmetics. It occurs naturally in several fruits, particularly in blueberries. methylparaben: used as a preservative in cosmetics but potentiates UV-induced damage of skin; RN given refers to parent cpd | paraben | antifungal agent; antimicrobial food preservative; neuroprotective agent; plant metabolite |
| catechin | (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives. Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin | catechin | antioxidant; plant metabolite |
| 2-aminopurine | 2-aminopurine : The parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. 2-Aminopurine: A purine that is an isomer of ADENINE (6-aminopurine). aminopurine : Any purine having at least one amino substituent. | 2-aminopurines; nucleobase analogue | antimetabolite |
| 3-hydroxyflavone | 3-hydroxyflavone: structure given in first source flavonol : A monohydroxyflavone that is the 3-hydroxy derivative of flavone. | flavonols; monohydroxyflavone | |
| 5-methylbenzimidazole | 5-methyl-1H-benzimidazole : A member of the class of imidazoles that is 1H-benzimidazole in which the hydrogen at position 5 is substituted by a methyl group. 5-methylbenzimidazole: structure in first source | imidazoles | |
| isovanillin | isovanillin : A member of the class of benzaldehydes that is 4-methoxybenzaldehyde substituted by a hydroxy group at position 3. It is an inhibitor of aldehyde oxidase. isovanillin: inhibits aldehyde oxidase | benzaldehydes; monomethoxybenzene; phenols | animal metabolite; antidiarrhoeal drug; antifungal agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; HIV protease inhibitor; plant metabolite |
| 3-hydroxy-1-benzopyran-2-one | 3-hydroxycoumarin: Photoprotective from sea urchin gametes and embryonic cells; structure in first source hydroxycoumarin : Any coumarin carrying at least one hydroxy substituent. | hydroxycoumarin | |
| butylated hydroxyanisole | |||
| 2,6-diaminopurine | 9H-purine-2,6-diamine : A member of the class of 2,6-diaminopurines that is 9H-purine in which the hydrogens at positions 2 and 6 are replaced by amino groups. | 2,6-diaminopurines; primary amino compound | antineoplastic agent |
| 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid | chromanol; monocarboxylic acid; phenols | antioxidant; ferroptosis inhibitor; neuroprotective agent; radical scavenger; Wnt signalling inhibitor | |
| o-(6)-methylguanine | 6-O-methylguanine : A methylguanine in which the methyl group is positioned on the oxygen at position 6. Formed in DNA by alkylation of the oxygen atom of guanine, most often by N-nitroso compounds and sometimes due to methylation by other compounds such as endogenous S-adenosylmethionine, it base-pairs to thymine rather than cytidine, causing a G:C to A:T transition in DNA. methylguanine : A 2-aminopurine that is guanine bearing a single methyl substituent. O-(6)-methylguanine: structure | methylguanine | mutagen |
| secoisolariciresinol | (-)-secoisolariciresinol : An enantiomer of secoisolariciresinol having (-)-(2R,3R)-configuration. secoisolariciresinol : A lignan that is butane-1,4-diol in which the 2 and 3 positions are substituted by 4-hydroxy-3-methoxybenzyl groups secoisolariciresinol: RN given refers to ((R-(R*,R*))-isomer); RN for cpd without isomeric designation not available 8/89; precursor of lignans found in human urine; structure given in first source | secoisolariciresinol | antidepressant; phytoestrogen; plant metabolite |
| tangeretin | pentamethoxyflavone : A methoxyflavone that is flavone substituted by a five methoxy groups. tangeretin : A pentamethoxyflavone flavone with methoxy groups at positions 4', 5, 6 , 7 and 8. tangeretin: structure given in first source; from citrus plants; inhibits invasion of MO4 mouse cells into embryonic chick heart in vitro | pentamethoxyflavone | antineoplastic agent; plant metabolite |
| isoscopoletin | isoscopoletin : A hydroxycoumarin that is esculetin in which the hydroxy group at position 7 is replaced by a methoxy group. It is the major primary metabolite of scoparone. | aromatic ether; hydroxycoumarin | plant metabolite |
| 2-hydroxychavicol | 2-hydroxychavicol: antimutagen from betel leaf; structure given in first source | ||
| epicatechin | (-)-epicatechin : A catechin with (2R,3R)-configuration. | catechin; polyphenol | antioxidant |
| gallocatechol | (-)-epigallocatechin : A flavan-3,3',4',5,5',7-hexol having (2R,3R)-configuration. | catechin; flavan-3,3',4',5,5',7-hexol | antioxidant; food component; plant metabolite |
| nobiletin | nobiletin : A methoxyflavone that is flavone substituted by methoxy groups at positions 5, 6, 7, 8, 3' and 4' respectively. | methoxyflavone | antineoplastic agent; plant metabolite |
| 4-aminopyrazolo(3,4-d)pyrimidine | 4-aminopyrazolo(3,4-d)pyrimidine: adenine analog which suppresses growth of E coli & Bacillus cereus; inhibits cell growth & purine biosynthesis in rat hepatoma | ||
| 1-methylxanthine | 1-methyl-7H-xanthine : A 1-methylxanthine tautomer where the imidazole proton is located at the 7-position. 1-methylxanthine : A monomethylxanthine having the methyl group located at the 1-position. It is a metabolite of caffeine in humans. 1-methylxanthine: urinary metabolite of caffeine | 1-methylxanthine | mouse metabolite |
| monocerin | monocerin: structure in first source | hydroxybenzoic acid | metabolite |
| febuxostat | febuxostat : A 1,3-thiazolemonocarboxylic acid that is 4-methyl-1,3-thiazole-5-carboxylic acid which is substituted by a 3-cyano-4-(2-methylpropoxy)phenyl group at position 2. It is an orally-active, potent, and selective xanthine oxidase inhibitor used for the treatment of chronic hyperuricaemia in patients with gout. Febuxostat: A thiazole derivative and inhibitor of XANTHINE OXIDASE that is used for the treatment of HYPERURICEMIA in patients with chronic GOUT. | 1,3-thiazolemonocarboxylic acid; aromatic ether; nitrile | EC 1.17.3.2 (xanthine oxidase) inhibitor |
| cirsimarin | cirsimarin: a flavone glycoside from Microtea debilis; structure given in first source | flavonoids; glycoside | |
| 4'-hydroxyflavanone | 4'-hydroxyflavanone: structure in first source 4'-hydroxyflavanones : Any hydroxyflavanone having a hydroxy substituent located at position 4'. | 4'-hydroxyflavanones; monohydroxyflavanone | |
| rubrofusarin B | rubrofusarin B : A benzochromenone that is rubrofusarin in which the hydroxy group at position 6 has been converted to the corresponding methyl ether. | aromatic ether; benzochromenone; naphtho-gamma-pyrone; phenols; polyketide | Aspergillus metabolite |
| yemuoside ym(10) | yemuoside YM(10): from Stauntonia chinensis Decne; structure given in first source | ||
| methyl 3,4-dihydroxybenzoate | catechols; methyl ester | antioxidant; neuroprotective agent; plant metabolite | |
| naringenin | (S)-naringenin : The (S)-enantiomer of naringenin. | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
| y-700 | |||
| thioguanine anhydrous | Thioguanine: An antineoplastic compound which also has antimetabolite action. The drug is used in the therapy of acute leukemia. tioguanine : A 2-aminopurine that is the 6-thiono derivative of 2-amino-1,9-dihydro-6H-purine. Incorporates into DNA and inhibits synthesis. Used in the treatment of leukaemia. | 2-aminopurines | anticoronaviral agent; antimetabolite; antineoplastic agent |
| merbarone | merbarone: structure given in first source | ||
| quercetin | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger | |
| apigenin | Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | trihydroxyflavone | antineoplastic agent; metabolite |
| luteolin | 3'-hydroxyflavonoid; tetrahydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antineoplastic agent; apoptosis inducer; c-Jun N-terminal kinase inhibitor; EC 2.3.1.85 (fatty acid synthase) inhibitor; immunomodulator; nephroprotective agent; plant metabolite; radical scavenger; vascular endothelial growth factor receptor antagonist | |
| quercitrin | alpha-L-rhamnoside; monosaccharide derivative; quercetin O-glycoside; tetrahydroxyflavone | antileishmanial agent; antioxidant; EC 1.1.1.184 [carbonyl reductase (NADPH)] inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.14.18.1 (tyrosinase) inhibitor; plant metabolite | |
| coniferaldehyde | coniferaldehyde: from aqueous extract of Senra incana coniferyl aldehyde : A member of the class of cinnamaldehydes that is cinnamaldehyde substituted by a hydroxy group at position 4 and a methoxy group at position 3. | cinnamaldehydes; guaiacols; phenylpropanoid | antifungal agent; plant metabolite |
| daphnetin | hydroxycoumarin | ||
| quercetin 3-o-glucopyranoside | quercetin 3-O-beta-D-glucopyranoside : A quercetin O-glucoside that is quercetin with a beta-D-glucosyl residue attached at position 3. Isolated from Lepisorus contortus, it exhibits antineoplastic activityand has been found to decrease the rate of polymerization and sickling of red blood cells quercetin 3-O-glucopyranoside: structure in first source | beta-D-glucoside; monosaccharide derivative; quercetin O-glucoside; tetrahydroxyflavone | antineoplastic agent; antioxidant; antipruritic drug; bone density conservation agent; geroprotector; histamine antagonist; osteogenesis regulator; plant metabolite |
| rutin | Hydroxyethylrutoside: Monohydroxyethyl derivative of rutin. Peripheral circulation stimulant used in treatment of venous disorders. | disaccharide derivative; quercetin O-glucoside; rutinoside; tetrahydroxyflavone | antioxidant; metabolite |
| kaempferol | 7-hydroxyflavonol; flavonols; tetrahydroxyflavone | antibacterial agent; geroprotector; human blood serum metabolite; human urinary metabolite; human xenobiotic metabolite; plant metabolite | |
| genistein | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor | |
| esculetin | esculetin : A hydroxycoumarin that is umbelliferone in which the hydrogen at position 6 is substituted by a hydroxy group. It is used in filters for absorption of ultraviolet light. esculetin: used in filters for absorption of ultraviolet light; structure | hydroxycoumarin | antioxidant; plant metabolite; ultraviolet filter |
| 7-hydroxycoumarin | 7-oxycoumarin: derivatives have anti-oxidant properties umbelliferone : A hydroxycoumarin that is coumarin substituted by a hydroxy group ay position 7. | hydroxycoumarin | fluorescent probe; food component; plant metabolite |
| axillarin | axillarin : A dimethoxyflavone that is the 3,6-dimethyl ether derivative of quercetagetin. axillarin: isolated from Pulicaria crispa or Filifdium sibiricum; structure given in first source | dimethoxyflavone; tetrahydroxyflavone | plant metabolite |
| baicalein | trihydroxyflavone | angiogenesis inhibitor; anti-inflammatory agent; antibacterial agent; anticoronaviral agent; antifungal agent; antineoplastic agent; antioxidant; apoptosis inducer; EC 1.13.11.31 (arachidonate 12-lipoxygenase) inhibitor; EC 1.13.11.33 (arachidonate 15-lipoxygenase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; EC 3.4.22.69 (SARS coronavirus main proteinase) inhibitor; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; ferroptosis inhibitor; geroprotector; hormone antagonist; plant metabolite; prostaglandin antagonist; radical scavenger | |
| chrysin | chrysin : A dihydroxyflavone in which the two hydroxy groups are located at positions 5 and 7. | 7-hydroxyflavonol; dihydroxyflavone | anti-inflammatory agent; antineoplastic agent; antioxidant; EC 2.7.11.18 (myosin-light-chain kinase) inhibitor; hepatoprotective agent; plant metabolite |
| fisetin | 3'-hydroxyflavonoid; 7-hydroxyflavonol; tetrahydroxyflavone | anti-inflammatory agent; antioxidant; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; metabolite; plant metabolite | |
| galangin | 5,7-dihydroxyflavonol: antimicrobial from the twigs of Populus nigra x Populus deltoides; structure in first source galangin : A 7-hydroxyflavonol with additional hydroxy groups at positions 3 and 5 respectively; a growth inhibitor of breast tumor cells. | 7-hydroxyflavonol; trihydroxyflavone | antimicrobial agent; EC 3.1.1.3 (triacylglycerol lipase) inhibitor; plant metabolite |
| 3-methylquercetin | isorhamnetin : A monomethoxyflavone that is quercetin in which the hydroxy group at position 3' is replaced by a methoxy group. | 7-hydroxyflavonol; monomethoxyflavone; tetrahydroxyflavone | anticoagulant; EC 1.14.18.1 (tyrosinase) inhibitor; metabolite |
| morin | morin : A pentahydroxyflavone that is 7-hydroxyflavonol bearing three additional hydroxy substituents at positions 2' 4' and 5. morin: a light yellowish pigment found in the wood of old fustic (Chlorophora tinctoria) | 7-hydroxyflavonol; pentahydroxyflavone | angiogenesis modulating agent; anti-inflammatory agent; antibacterial agent; antihypertensive agent; antineoplastic agent; antioxidant; EC 5.99.1.2 (DNA topoisomerase) inhibitor; hepatoprotective agent; metabolite; neuroprotective agent |
| myricetin | 7-hydroxyflavonol; hexahydroxyflavone | antineoplastic agent; antioxidant; cyclooxygenase 1 inhibitor; food component; geroprotector; hypoglycemic agent; plant metabolite | |
| santin | santin : A trimethoxyflavone that is flavone substituted by methoxy groups at positions 3, 6 and 4' and hydroxy groups at positions 5 and 7 respectively. santin: from Tanacetum microphyllum; structure given in first source | dihydroxyflavone; trimethoxyflavone | plant metabolite |
| daidzein | 7-hydroxyisoflavones | antineoplastic agent; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; phytoestrogen; plant metabolite | |
| 7-hydroxyflavone | 7-hydroxyflavone : A hydroxyflavonoid in which the flavone nucleus is substituted at position 7 by a hydroxy group. | hydroxyflavonoid | |
| veronicastroside | luteolin 7-O-neohesperidoside : A disaccharide derivative that is luteolin substituted by a 2-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. veronicastroside: a flavonoid; second source Yak. Zas. shows same melting point, absorption, Rf and color tests for lonicerin (luteolin-7-rhamnoglucoside from Lonicera) and veronicastroside (luteolin-7-neohesperidoside from Trachelospermum); | disaccharide derivative; glycosyloxyflavone; neohesperidoside; trihydroxyflavone | antibacterial agent; metabolite |
| 3',4',7-trihydroxyisoflavone | 3',4',7-trihydroxyisoflavone : A 7-hydroxyisoflavone that is daidzein substituted by a hydroxy group at position 3'. 3',4',7-trihydroxyisoflavone: from Streptomyces sp OH-1049; structure given in first source | 7-hydroxyisoflavones | antineoplastic agent; EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor; metabolite |
| 6,7,4'-trihydroxyisoflavone | 4',6,7-trihydroxyisoflavone : A hydroxyisoflavone that is daidzein bearing an additional hydroxy substituent at position 6. 6,7,4'-trihydroxyisoflavone: structure in first source | 7-hydroxyisoflavones | anti-inflammatory agent; antimutagen; EC 1.14.18.1 (tyrosinase) inhibitor; metabolite; PPARalpha agonist; PPARgamma agonist |
| topiroxostat | FYX-051: xanthine oxidoreductase inhibitor | ||
| cycloolivil | cycloolivil: a free radical scavenger with platelet aggregation inhibitory activity; isolated from the olive tree | lignan | |
| glycitein | glycitein : A methoxyisoflavone that is isoflavone substituted by a methoxy group at position 6 and hydroxy groups at positions 7 and 4'. It has been isolated from the mycelia of the fungus Cordyceps sinensis. | 7-hydroxyisoflavone; methoxyisoflavone | fungal metabolite; phytoestrogen; plant metabolite |
| hypolaetin-8-glucoside | hypolaetin-8-glucoside: isolated from Sideritis mugronensis; structure given in first source | ||
| kaempferol-3-o-rutinoside | kaempferol-3-O-rutinoside: isolated from the methanolic extract of the whole plants of Diodia teres through repeated silica gel and Sephadex LH-20 column chromatography; structure in first source kaempferol-3-rutinoside : A kaempferol O-glucoside that is kaempferol attached to a rutinosyl [6-deoxy-alpha-L-mannosyl-(1->6)-beta-D-glucosyl] residue at position 3 via a glycosidic linkage. It has been isolated from the leaves of Solanum campaniforme. | disaccharide derivative; kaempferol O-glucoside; rutinoside; trihydroxyflavone | metabolite; plant metabolite; radical scavenger |
| 4-methylesculetin | 4-methylesculetin: has antiinflammatory activity 6,7-dihydroxy-4-methylcoumarin : A hydroxycoumarin that is 4-methylcuomarin which is substituted by hydroxy groups at positions 3 and 4. A hyaluronan synthesis inhibitor. It has also been used as a fluorescent sensor to monitor the consumption of a boronic acid in Suzuki coupling reactions; fluorescence is readily detectable by the naked eye using a standard 365 nm UV lamp. | hydroxycoumarin | anti-inflammatory agent; antioxidant; hyaluronan synthesis inhibitor |
| ombuine | ombuin : A dimethoxyflavone that is quercetin in which the hydroxy groups at positions 7 and 4' are replaced by methoxy groups. Isolated from Cyperus teneriffae, it exhibits anti-inflammatory activity. ombuine: from rhizome of Alpinia tonkinensis | dimethoxyflavone; flavonols; trihydroxyflavone | anti-inflammatory agent; plant metabolite |
| tiliroside | tiliroside: isolated from seeds of Eremocarpus setigerus | cinnamate ester; glycosyloxyflavone; monosaccharide derivative; trihydroxyflavone | plant metabolite |
| 2-amino-6-chloropurine | 6-chloroguanine : An organochlorine compound that is 7H-purin-2-amine substituted by a chloro group at position 6. 6-chloroguanine: an antimalarial that inhibits hypoxanthine-guanine-xanthine phosphoribosyltransferase; structure in first source | 2-aminopurines; organochlorine compound | |
| 4',7,8-trihydroxyisoflavone | 4',7,8-trihydroxyisoflavone: from Streptomyces sp OH-1049; structure given in first source | isoflavones | |
| broussochalcone a | broussochalcone A: RN given for (E)-isomer; inhibits neutrophil respiratory burst; structure in first source | ||
| fonsecinone a | fonsecinone A : A dimeric naphthopyran with formula C32H26O10, originally isolated from Aspergillus niger. fonsecinone A: isolated from Aspergillus aculeatus; structure in first source | aromatic ether; aromatic ketone; biaryl; cyclic ketone; naphtho-gamma-pyrone; polyphenol | antibacterial agent; Aspergillus metabolite |
| salvianolic acid c | salvianolic acid C: mTOR inhibitor from Salvia miltiorrhiza | benzofurans | |
| 4-hydroxycoumarin | 2-hydroxychromone: structure | hydroxycoumarin | |
| oxypurinol | alloxanthine : A pyrazolopyrimidine that is 4,5,6,7-tetrahydro-H-pyrazolo[3,4-d]pyrimidine substituted by oxo groups at positions 4 and 6. Oxypurinol: A xanthine oxidase inhibitor. | pyrazolopyrimidine | drug metabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor |
| allopurinol | allopurinol : A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. Allopurinol: A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. | nucleobase analogue; organic heterobicyclic compound | antimetabolite; EC 1.17.3.2 (xanthine oxidase) inhibitor; gout suppressant; radical scavenger |
| bropirimine | pyrimidines | ||
| 9-phenylguanine |