| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
formic acid
formic acid: RN given refers to parent cpd. formic acid : The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed. Induces severe metabolic acidosis and ocular injury in human subjects. | 2.11 | 1 | 0 | monocarboxylic acid | antibacterial agent;
astringent;
metabolite;
protic solvent;
solvent |
fluorouracil
Fluorouracil: A pyrimidine analog that is an antineoplastic antimetabolite. It interferes with DNA synthesis by blocking the THYMIDYLATE SYNTHETASE conversion of deoxyuridylic acid to thymidylic acid.. 5-fluorouracil : A nucleobase analogue that is uracil in which the hydrogen at position 5 is replaced by fluorine. It is an antineoplastic agent which acts as an antimetabolite - following conversion to the active deoxynucleotide, it inhibits DNA synthesis (by blocking the conversion of deoxyuridylic acid to thymidylic acid by the cellular enzyme thymidylate synthetase) and so slows tumour growth. | 2.01 | 1 | 0 | nucleobase analogue;
organofluorine compound | antimetabolite;
antineoplastic agent;
environmental contaminant;
immunosuppressive agent;
radiosensitizing agent;
xenobiotic |
thyroxine
Thyroxine: The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.. thyroxine : An iodothyronine compound having iodo substituents at the 3-, 3'-, 5- and 5'-positions. | 2.06 | 1 | 0 | 2-halophenol;
iodophenol;
L-phenylalanine derivative;
non-proteinogenic L-alpha-amino acid;
thyroxine zwitterion;
thyroxine | antithyroid drug;
human metabolite;
mouse metabolite;
thyroid hormone |
strophanthidin
Strophanthidin: 3 beta,5,14-Trihydroxy-19-oxo-5 beta-card-20(22)-enolide. The aglycone cardioactive agent isolated from Strophanthus Kombe, S. gratus and other species; it is a very toxic material formerly used as digitalis. Synonyms: Apocymarin; Corchorin; Cynotoxin; Corchorgenin. | 7.36 | 2 | 0 | 14beta-hydroxy steroid;
19-oxo steroid;
3beta-hydroxy steroid;
5beta-hydroxy steroid;
cardenolides;
steroid aldehyde | |
acetonitrile
acetonitrile: RN given refers to unlabeled cpd. acetonitrile : A nitrile that is hydrogen cyanide in which the hydrogen has been replaced by a methyl group. | 2.11 | 1 | 0 | aliphatic nitrile;
volatile organic compound | EC 3.5.1.4 (amidase) inhibitor;
NMR chemical shift reference compound;
polar aprotic solvent |
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. | 2.51 | 2 | 0 | alpha-tocopherol | algal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite |
digoxigenin
Digoxigenin: 3 beta,12 beta,14-Trihydroxy-5 beta-card-20(22)-enolide. A cardenolide which is the aglycon of digoxin. Can be obtained by hydrolysis of digoxin or from Digitalis orientalis L. and Digitalis lanata Ehrh.. digoxigenin : A hydroxy steroid that consists of 5beta-cardanolide having a double bond at the 20(22)-position as well as hydroxy groups at the 3beta-, 12beta- and 14beta-positions. It has been isolated from the plant species of the genus Digitalis. | 6.92 | 1 | 0 | 12beta-hydroxy steroid;
14beta-hydroxy steroid;
3beta-hydroxy steroid;
3beta-sterol | hapten;
plant metabolite |
tetradecanoylphorbol acetate
Tetradecanoylphorbol Acetate: A phorbol ester found in CROTON OIL with very effective tumor promoting activity. It stimulates the synthesis of both DNA and RNA.. phorbol ester : Esters of phorbol, originally found in croton oil (from Croton tiglium, of the family Euphorbiaceae). A number of phorbol esters possess activity as tumour promoters and activate the mechanisms associated with cell growth. Some of these are used in experiments as activators of protein kinase C.. phorbol 13-acetate 12-myristate : A phorbol ester that is phorbol in which the hydroxy groups at the cyclopropane ring juction (position 13) and the adjacent carbon (position 12) have been converted into the corresponding acetate and myristate esters. It is a major active constituent of the seed oil of Croton tiglium. It has been used as a tumour promoting agent for skin carcinogenesis in rodents and is associated with increased cell proliferation of malignant cells. However its function is controversial since a decrease in cell proliferation has also been observed in several cancer cell types. | 2.13 | 1 | 0 | acetate ester;
diester;
phorbol ester;
tertiary alpha-hydroxy ketone;
tetradecanoate ester | antineoplastic agent;
apoptosis inducer;
carcinogenic agent;
mitogen;
plant metabolite;
protein kinase C agonist;
reactive oxygen species generator |
imiquimod
Imiquimod: A topically-applied aminoquinoline immune modulator that induces interferon production. It is used in the treatment of external genital and perianal warts, superficial CARCINOMA, BASAL CELL; and ACTINIC KERATOSIS.. imiquimod : An imidazoquinoline fused [4,5-c] carrying isobutyl and amino substituents at N-1 and C-4 respectively. A prescription medication, it acts as an immune response modifier and is used to treat genital warts, superficial basal cell carcinoma, and actinic keratosis. | 2.13 | 1 | 0 | imidazoquinoline | antineoplastic agent;
interferon inducer |
glucose, (beta-d)-isomer
beta-D-glucose : D-Glucopyranose with beta configuration at the anomeric centre.. (1->4)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->4) linkages.. (1->3)-beta-D-glucan : A beta-D-glucan in which the glucose units are connected by (1->3) linkages. | 1.92 | 1 | 0 | D-glucopyranose | epitope;
mouse metabolite |
procyanidin
Proanthocyanidins: Dimers and oligomers of flavan-3-ol units (CATECHIN analogs) linked mainly through C4 to C8 bonds to leucoanthocyanidins. They are structurally similar to ANTHOCYANINS but are the result of a different fork in biosynthetic pathways. | 2.05 | 1 | 0 | proanthocyanidin | |
convalloside
convalloside: neoconvalloside is the stereoisomer of convalloside; RN refers to (3beta,5beta)-isomer; structure given in first source | 1.98 | 1 | 0 | cardenolide glycoside | |
taraxasterol
taraxasterol: from Cirsium segetum. taraxasterol : A pentacyclic triterpenoid that is taraxastane with a beta-hydroxy group at position 3. | 2.05 | 1 | 0 | pentacyclic triterpenoid;
secondary alcohol | anti-inflammatory agent;
metabolite |
proanthocyanidin a2
procyanidin A2: structure in first source. proanthocyanidin A2 : A proanthocyanidin obtained by the condensation of (-)-epicatechin units. | 2.05 | 1 | 0 | hydroxyflavan;
proanthocyanidin | angiogenesis modulating agent;
anti-HIV agent;
antioxidant;
metabolite |
oleanolic acid 3-acetate
oleanolic acid 3-acetate: from Gardenia jasminoides; RN given for (3beta)-isomer | 2.05 | 1 | 0 | | |
hellebrigenin
hellebrigenin: structure | 2.01 | 1 | 0 | | |
cinobufotalin
cinobufotalin: RN given refers to (3beta,5beta,15beta,16beta)-isomer; RN for cpd without isomeric designation not avail 4/90 | 2.01 | 1 | 0 | | |
Gamabufogenin
gamabufotalin: antiangiogenic, main active compound isolated from Chinese medicine Chansu; structure in first source | 2.01 | 1 | 0 | steroid lactone | |
telocinobufagin
telocinobufagin: structure | 2.01 | 1 | 0 | steroid lactone | |
oleic acid
Oleic Acid: An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed). oleic acid : An octadec-9-enoic acid in which the double bond at C-9 has Z (cis) stereochemistry. | 2.13 | 1 | 0 | octadec-9-enoic acid | antioxidant;
Daphnia galeata metabolite;
EC 3.1.1.1 (carboxylesterase) inhibitor;
Escherichia coli metabolite;
mouse metabolite;
plant metabolite;
solvent |
glycosides
[no description available] | 1.98 | 1 | 0 | | |
caffeic acid
trans-caffeic acid : The trans-isomer of caffeic acid. | 2.05 | 1 | 0 | caffeic acid | geroprotector;
mouse metabolite |
digitoxigenin
Digitoxigenin: 3 beta,14-Dihydroxy-5 beta-card-20(22)enolide. A cardenolide which is the aglycon of digitoxin. Synonyms: Cerberigenin; Echujetin; Evonogenin; Thevetigenin.. digitoxigenin : A 5beta-cardenolide that is 5beta-cardanolide with hydroxy substituents at the 3beta- and 14beta-positions and double bond unsaturation at C(20)-C(22). | 9.45 | 22 | 0 | 14beta-hydroxy steroid;
3beta-hydroxy steroid | |
linoleic acid
Linoleic Acid: A doubly unsaturated fatty acid, occurring widely in plant glycosides. It is an essential fatty acid in mammalian nutrition and is used in the biosynthesis of prostaglandins and cell membranes. (From Stedman, 26th ed). linoleic acid : An octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. | 2.13 | 1 | 0 | octadecadienoic acid;
omega-6 fatty acid | algal metabolite;
Daphnia galeata metabolite;
plant metabolite |
beta-escin
[no description available] | 3.1 | 4 | 0 | | |
bufogenin
bufogenin: respiratory stimulant; from toad; structure. bufogenin : A steroid lactone of Chan su (toad venom), a Chinese medicine obtained from the skin venom gland of toads. A specific Na/K-ATPase protein inhibitor, it is used as a cardiotonic and central nervous system (CNS) respiratory agent, an analgesic and anesthetic, and as a remedy for ulcers. | 2.01 | 1 | 0 | epoxy steroid;
steroid lactone | EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor |
bufalin
bufalin: cardiotonic; powerful anesthetic & one of the active constituents of the Chinese drug ch'an su(senso); in Japan prepared from skin of Bufo bufo garfarizans; RN given refers to (3beta,5beta)-isomer. bufalin : A 14beta-hydroxy steroid that is bufan-20,22-dienolide having hydroxy substituents at the 5beta- and 14beta-positions. It has been isolated from the skin of the toad Bufo bufo. | 2.01 | 1 | 0 | 14beta-hydroxy steroid;
3beta-hydroxy steroid | animal metabolite;
anti-inflammatory agent;
antineoplastic agent;
cardiotonic drug |
desacetylcinobufagin
desacetylcinobufagin: structure in first source | 2.01 | 1 | 0 | | |
cinobufagin
cinobufagin: isolated from Chinese medicinal preparation ch'an su; derived from toad venom | 2.01 | 1 | 0 | steroid lactone | |
bufotalin
bufotalin: from toads; structure | 2.01 | 1 | 0 | steroid lactone | |
phytosterols
Phytosterols: A class of organic compounds known as sterols or STEROIDS derived from plants.. phytosterols : Sterols similar to cholesterol which occur in plants and vary only in carbon side chains and/or presence or absence of a double bond. | 2.13 | 1 | 0 | | |
periplocin
periplocin: isolated from Periploca calophylla | 3.1 | 4 | 0 | | |
periplocymarin
periplocymarin: has antineoplastic activity; isolated from both Periploca sepium and Periploca graeca | 3.1 | 4 | 0 | | |