| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
catechol
[no description available] | 2.38 | 2 | 0 | catechols | allelochemical;
genotoxin;
plant metabolite |
formaldehyde
paraform: polymerized formaldehyde; RN given refers to parent cpd; used in root canal therapy | 1.97 | 1 | 0 | aldehyde;
one-carbon compound | allergen;
carcinogenic agent;
disinfectant;
EC 3.5.1.4 (amidase) inhibitor;
environmental contaminant;
Escherichia coli metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
croton oil
[no description available] | 1.96 | 1 | 0 | N-acyl-hexosamine | |
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) | 2.4 | 2 | 0 | monovalent inorganic anion;
nitrogen oxoanion;
reactive nitrogen species | human metabolite |
selenious acid
Selenious Acid: A selenium compound with the molecular formula H2SO3. It used as a source of SELENIUM, especially for patients that develop selenium deficiency following prolonged PARENTERAL NUTRITION. | 1.97 | 1 | 0 | selenium oxoacid | |
3-methylcholanthrene
Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position. | 2.38 | 2 | 0 | ortho- and peri-fused polycyclic arene | aryl hydrocarbon receptor agonist;
carcinogenic agent |
disulfiram
[no description available] | 1.97 | 1 | 0 | organic disulfide;
organosulfur acaricide | angiogenesis inhibitor;
antineoplastic agent;
apoptosis inducer;
EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor;
EC 3.1.1.1 (carboxylesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 5.99.1.2 (DNA topoisomerase) inhibitor;
ferroptosis inducer;
fungicide;
NF-kappaB inhibitor |
isoniazid
Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC). | 1.97 | 1 | 0 | carbohydrazide | antitubercular agent;
drug allergen |
nicardipine
Nicardipine: A potent calcium channel blockader with marked vasodilator action. It has antihypertensive properties and is effective in the treatment of angina and coronary spasms without showing cardiodepressant effects. It has also been used in the treatment of asthma and enhances the action of specific antineoplastic agents.. nicardipine : A racemate comprising equimolar amounts of (R)- and (S)-nicardipine. It is a calcium channel blocker which is used to treat hypertension.. 2-[benzyl(methyl)amino]ethyl methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate : A dihydropyridine that is 1,4-dihydropyridine substituted by a methyl, {2-[benzyl(methyl)amino]ethoxy}carbonyl, 3-nitrophenyl, methoxycarbonyl and methyl groups at positions 2, 3, 4, 5 and 6, respectively. | 6.99 | 1 | 0 | benzenes;
C-nitro compound;
diester;
dihydropyridine;
methyl ester;
tertiary amino compound | |
phenobarbital
Phenobarbital: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.. phenobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and phenyl groups. | 2.38 | 2 | 0 | barbiturates | anticonvulsant;
drug allergen;
excitatory amino acid antagonist;
sedative |
resorcinol
resorcinol: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7951. resorcinol : A benzenediol that is benzene dihydroxylated at positions 1 and 3. | 1.97 | 1 | 0 | benzenediol;
phenolic donor;
resorcinols | erythropoietin inhibitor;
sensitiser |
tegafur
[no description available] | 1.96 | 1 | 0 | organohalogen compound;
pyrimidines | |
thymidine
[no description available] | 1.96 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite;
human metabolite;
metabolite;
mouse metabolite |
diethylnitrosamine
Diethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties.. N-nitrosodiethylamine : A nitrosamine that is N-ethylethanamine substituted by a nitroso group at the N-atom. | 2.37 | 2 | 0 | nitrosamine | carcinogenic agent;
hepatotoxic agent;
mutagen |
bromodeoxyuridine
Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. | 1.99 | 1 | 0 | pyrimidine 2'-deoxyribonucleoside | antimetabolite;
antineoplastic agent |
n-nitrosomorpholine
N-nitrosomorpholine : A nitrosamine that is morpholine in which the hydrogen attached to the nitrogen is replaced by a nitroso group. A carcinogen and mutagen, it is found in snuff tobacco. | 1.96 | 1 | 0 | nitrosamine | carcinogenic agent;
mutagen |
dimethylnitrosamine
Dimethylnitrosamine: A nitrosamine derivative with alkylating, carcinogenic, and mutagenic properties. It causes serious liver damage and is a hepatocarcinogen in rodents. | 2.66 | 3 | 0 | nitrosamine | geroprotector;
mutagen |
n-nitrosodiphenylamine
N-nitrosodiphenylamine: RN given refers to parent cpd; structure in first source | 1.96 | 1 | 0 | phenylhydrazines | |
n-nitrosopiperidine
N-nitrosopiperidine: structure. N-nitrosopiperidine : A nitrosamine that is piperidine in which the hydrogen attached to the nitrogen is replaced by a nitroso group. One of the many carcinogens detected in cigarette smoke, it is found in meat, cheese and spices that have been treated with the preservative sodium nitrite. | 1.96 | 1 | 0 | nitrosamine;
piperidine | apoptosis inducer;
carcinogenic agent;
environmental contaminant;
mutagen |
pentanal
pentanal : A saturated fatty aldehyde composed from five carbons in a straight chain. | 1.97 | 1 | 0 | saturated fatty aldehyde | plant metabolite |
n,n'-dinitrosopiperazine
N,N'-dinitrosopiperazine: RN given refers to unlabeled cpd | 1.96 | 1 | 0 | | |
hesperidin
Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. | 1.99 | 1 | 0 | 3'-hydroxyflavanones;
4'-methoxyflavanones;
dihydroxyflavanone;
disaccharide derivative;
flavanone glycoside;
monomethoxyflavanone;
rutinoside | mutagen |
allyl sulfide
allyl sulfide: essence of garlic; inhibits CYP2E1 | 2 | 1 | 0 | organic sulfide | |
diisopropylnitrosamine
[no description available] | 1.96 | 1 | 0 | | |
n-methyl-n-nitrosoaniline
N-methyl-N-nitrosoaniline: structure | 1.96 | 1 | 0 | | |
n-nitroso(di-n-propyl)amine
[no description available] | 1.96 | 1 | 0 | nitroso compound | |
dibutylnitrosamine
dibutylnitrosamine: structure | 1.96 | 1 | 0 | nitroso compound | |
n-nitrosopyrrolidine
N-Nitrosopyrrolidine: Carcinogenic nitrosamine that may be formed from preservatives in meats during their preparation or in the liver during metabolism. | 1.96 | 1 | 0 | pyrrolidines | |
n-nitrosoperhydroazepine
[no description available] | 1.96 | 1 | 0 | | |
nitrosobenzylmethylamine
nitrosobenzylmethylamine: structure | 2.66 | 3 | 0 | | |
n-nitrosodiethanolamine
[no description available] | 1.96 | 1 | 0 | nitroso compound | |
n-nitroso-2,6-dimethylmorpholine
N-nitroso-2,6-dimethylmorpholine: RN given refers to parent cpd without isomeric designation | 3.29 | 2 | 0 | | |
phenethyl isothiocyanate
phenethyl isothiocyanate: a dietary liver aldehyde dehydrogenase inhibitor; promotes urinary bladder carcinoma. phenethyl isothiocyanate : An isothiocyanate having a phenethyl group attached to the nitrogen. It is a naturally occurring compound found in some cruciferous vegetables (e.g. watercress) and is known to possess anticancer properties. | 2.39 | 2 | 0 | isothiocyanate | antineoplastic agent;
EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor;
metabolite |
butylhydroxybutylnitrosamine
Butylhydroxybutylnitrosamine: A substituted carcinogenic nitrosamine.. N-butyl-N-(4-hydroxybutyl)nitrosamine : A nitrosamine that has butyl and 4-hydroxybutyl substituents. In mice, it causes high-grade, invasive cancers in the urinary bladder, but not in any other tissues. | 1.96 | 1 | 0 | nitrosamine;
primary alcohol | carcinogenic agent |
n-nitroso-n-methylvinylamine
N-nitroso-N-methylvinylamine: structure given in first source | 1.96 | 1 | 0 | nitroso compound | |
n-nitrosodibenzylamine
N-nitrosodibenzylamine: structure | 1.96 | 1 | 0 | | |
n-nitroso-n-methylcyclohexylamine
[no description available] | 1.96 | 1 | 0 | | |
1-nitrosopiperazine
[no description available] | 1.96 | 1 | 0 | phytanoyl-CoAs | |
nitrosomethyl-n-butylamine
nitrosomethyl-N-butylamine: RN given refers to parent cpd | 2.37 | 2 | 0 | | |
meladrazine
nitrosoproline: RN given refers to 1-nitroso-L-proline | 1.96 | 1 | 0 | | |
methylethylnitrosamine
[no description available] | 1.96 | 1 | 0 | nitroso compound | |
n-ethyl-n-hydroxyethylnitrosamine
N-ethyl-N-(2-hydroxyethyl)nitrosamine : A nitrosamine that is N-nitrosodiethylamine in which one of the ethyl froups has been replaced by a 2-hydroxyethyl group. It is used to induce renal and liver tumours in rodents. | 1.96 | 1 | 0 | nitrosamine;
primary alcohol | carcinogenic agent |
vinylethylnitrosamine
[no description available] | 1.96 | 1 | 0 | | |
n-nitrososarcosine
N-nitrososarcosine : A nitrosamine that is sarcosine in which the hydrogen attached to the nitrogen has been replaced by a nitroso group. | 1.96 | 1 | 0 | nitrosamine;
non-proteinogenic amino acid derivative | carcinogenic agent |
trinitrosotrimethylenetriamine
[no description available] | 1.96 | 1 | 0 | 1,3,5-triazinanes;
nitrosamine | |
diallylnitrosamine
[no description available] | 1.96 | 1 | 0 | | |
n-nitroso-n'-methylpiperazine
[no description available] | 1.96 | 1 | 0 | | |
n'-nitrosonornicotine
N'-nitrosonornicotine: structure; a potent carcinogen in laboratory animals | 1.96 | 1 | 0 | pyridines;
pyrrolidines | |
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. | 2.39 | 2 | 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 |
n-nitrosoephedrine
[no description available] | 1.96 | 1 | 0 | | |
n-nitrosoheptamethyleneimine
[no description available] | 1.96 | 1 | 0 | nitrosamine | |
diisopropanolnitrosamine
diisopropanolnitrosamine: experimental carcinogen. N,N-bis(2-hydroxypropyl)nitrosamine : A nitrosamine that is dipropylamine in which the hydrogen attached to the nitrogen has been replaced by a nitroso group. It is a genotoxic carcinogen, targeting the lung, liver, thyroid, and kidney. | 1.96 | 1 | 0 | diol;
nitrosamine;
secondary alcohol | carcinogenic agent |
n-nitrosomethyldodecylamine
N-nitrosomethyldodecylamine: product of reaction of dimethyl-n-dodecylamine with nitrous acid | 1.96 | 1 | 0 | | |
n,n-dinitrosohomopiperazine
[no description available] | 1.96 | 1 | 0 | | |
methyl(acetoxymethyl)nitrosamine
methyl(acetoxymethyl)nitrosamine: RN given refers to parent cpd; structure in seventh source | 1.96 | 1 | 0 | | |
nitrosobis(2-oxopropyl)amine
nitrosobis(2-oxopropyl)amine: structure. nitrosobis(2-oxopropyl)amine : A nitrosamine that is iminodiacetone that is substituted by a nitroso group at the N-atom. It induces pancreatic ductal adenocarcinomas in Syrian golden hamsters (other rodents are not susceptible). | 1.96 | 1 | 0 | ketone;
nitrosamine | carcinogenic agent |
n-nitrosoguvacoline
N-nitrosoguvacoline: formed by nitrosation of arecoline | 1.96 | 1 | 0 | citraconoyl group | |
o-(6)-methylguanine
O-(6)-methylguanine: structure. 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. | 1.98 | 1 | 0 | methylguanine | mutagen |
o(6)-methyl-2'-deoxyguanosine
O(6)-methyl-2'-deoxyguanosine: RN given refers to (beta)-isomer. O(6)-methyl-2'-deoxyguanosine : A purine 2'-deoxyribonucleoside having O(6)-methylguanine as the nucleobase. | 2.38 | 2 | 0 | purine 2'-deoxyribonucleoside | |
n-nitrososarcosine ethyl ester
[no description available] | 1.96 | 1 | 0 | | |
2-hydroxypropyl-n-propylnitrosamine
[no description available] | 1.96 | 1 | 0 | | |
2-oxopropyl-n-propylnitrosamine
[no description available] | 1.96 | 1 | 0 | | |
6-phenylhexyl isothiocyanate
[no description available] | 1.98 | 1 | 0 | | |
3-nitrosomethylaminopyridine
3-nitrosomethylaminopyridine: structure | 1.96 | 1 | 0 | | |
2-nitrosomethylaminopyridine
2-nitrosomethylaminopyridine: structure | 1.96 | 1 | 0 | | |
4-nitrosomethylaminopyridine
4-nitrosomethylaminopyridine: structure | 1.96 | 1 | 0 | | |
phorbols
Phorbols: The parent alcohol of the tumor promoting compounds from CROTON OIL (Croton tiglium). | 1.96 | 1 | 0 | diterpene;
terpenoid fundamental parent | |
n,n-diamylnitrosamine
[no description available] | 1.96 | 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. | 1.96 | 1 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
diosmin
[no description available] | 1.99 | 1 | 0 | dihydroxyflavanone;
disaccharide derivative;
glycosyloxyflavone;
monomethoxyflavone;
rutinoside | anti-inflammatory agent;
antioxidant |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 1.97 | 1 | 0 | chalcogen;
nonmetal atom | micronutrient |
cytochrome c-t
Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV. | 2.03 | 1 | 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. | 1.99 | 1 | 0 | | |
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. | 1.96 | 1 | 0 | ascorbic acid;
vitamin C | coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent |
deoxyguanosine
[no description available] | 2.38 | 2 | 0 | purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
guanine
[no description available] | 1.98 | 1 | 0 | 2-aminopurines;
oxopurine;
purine nucleobase | algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
guanosine
ribonucleoside : Any nucleoside where the sugar component is D-ribose. | 2.44 | 2 | 0 | guanosines;
purines D-ribonucleoside | fundamental metabolite |
7-methylguanine
7-methylguanine: RN given refers to unlabeled cpd; structure. 7-methylguanine : A methylguanine that is guanine substituted by a methyl group at position 7. It is a metabolite obtained during the methylation of DNA.. 2-imino-7-methyl-1,2,3,7-tetrahydro-6H-purin-6-one : A 7-methylguanine that is 1,2,3,7-tetrahydro-6H-purin-6-one substituted by an imino group at position 2 and a methyl group at position 7.. 2-amino-7-methyl-7H-purin-6-ol : A 7-methylguanine that is 7H-purine substituted by an amino group at position 2, a methyl group at position 7 and a hydroxy group at position 6.. 2-amino-7-methyl-1,7-dihydro-6H-purin-6-one : A 7-methylguanine that is 1,7-dihydro-6H-purin-6-one substituted by an amino group at position 2 and a methyl group at position 7. | 1.98 | 1 | 0 | 7-methylguanine | |
8-hydroxyguanosine
8-hydroxyguanosine: immunostimulant for B lymphocytes; structure given in first source | 2.44 | 2 | 0 | purine nucleoside | |