1,N(6)-ethenoadenine, also known as εA, is a **DNA adduct**, meaning it's a molecule that binds to DNA. This particular adduct is formed when **adenine**, one of the four DNA bases, reacts with **vinyl chloride**, a common industrial chemical.
Here's why it's important for research:
* **Cancer Research:** 1,N(6)-ethenoadenine is a **mutagenic** adduct, meaning it can cause changes in the DNA sequence. This can lead to the development of cancer. Research on εA helps us understand how vinyl chloride causes cancer and how to prevent or treat it.
* **Environmental Toxicology:** Vinyl chloride is a known environmental contaminant, and εA is a biomarker for exposure to this chemical. Studying this adduct helps us assess the risks of vinyl chloride exposure and develop strategies to minimize its harmful effects.
* **DNA Repair Mechanisms:** The presence of εA in DNA can trigger specific DNA repair pathways. Research on this adduct can help us understand how cells repair DNA damage and how to enhance these repair mechanisms to prevent disease.
* **Biomarker Development:** εA can be used as a biomarker to monitor exposure to vinyl chloride and assess the effectiveness of interventions aimed at reducing exposure.
* **Chemical Carcinogenesis:** εA serves as a model for studying how chemical carcinogens interact with DNA, leading to mutations and potentially cancer.
**In summary:** 1,N(6)-ethenoadenine is a crucial tool for research in cancer, environmental toxicology, DNA repair mechanisms, and biomarker development. Its presence in DNA highlights the dangers of vinyl chloride exposure and provides insights into the mechanisms of carcinogenesis.
1,N(6)-ethenoadenine: biologically active fluorescent derivatives of this cpd potentially valuable in studies concerning interactions between adenine cpds & various enzymes for which they serve as substrates or co-factors; structure [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]
| ID Source | ID |
|---|---|
| PubMed CID | 104994 |
| CHEBI ID | 29146 |
| CHEBI ID | 42173 |
| SCHEMBL ID | 4997669 |
| SCHEMBL ID | 8127207 |
| MeSH ID | M0046231 |
| Synonym |
|---|
| BIDD:GT0038 |
| ethenoadenine |
| 1,n(6)-ethenoadenine |
| 1h-imidazo[2,1-i]purine |
| 13875-63-3 |
| CHEBI:29146 |
| 3h-imidazo[2,1-i]purine |
| 1,n6-ethenoadenine |
| CHEBI:42173 |
| DB01952 |
| 1-n6-ethenoadenine |
| FT-0691075 |
| 1h-imidazo[2,1-f]purine |
| AKOS006273818 |
| unii-sin7411hg7 |
| sin7411hg7 , |
| epsilona nucleobase |
| 1h-imidazo(2,1-i)purine |
| SCHEMBL4997669 |
| SCHEMBL8127207 |
| DTXSID90160768 |
| imidazo[2,1-i]purine |
| 3h-imidazo[1,2-i]purine |
| Q27459874 |
| .epsilon.-adenine |
| 3h-imidazo(2,1-i)purine |
| 1,n6-ethyleneadenine |
| PD060208 |
| Role | Description |
|---|---|
| mutagen | An agent that increases the frequency of mutations above the normal background level, usually by interacting directly with DNA and causing it damage, including base substitution. |
| [role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Class | Description |
|---|---|
| imidazo[2,1-i]purine | |
| imidazo[2,1-i]purine | |
| [compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res] | |
| Pathway | Proteins | Compounds |
|---|---|---|
| DNA Repair | 255 | 47 |
| Base Excision Repair | 35 | 23 |
| Base-Excision Repair, AP Site Formation | 17 | 16 |
| Depurination | 10 | 7 |
| Cleavage of the damaged purine | 4 | 7 |
| Timeframe | Studies, This Drug (%) | All Drugs % |
|---|---|---|
| pre-1990 | 12 (13.48) | 18.7374 |
| 1990's | 30 (33.71) | 18.2507 |
| 2000's | 23 (25.84) | 29.6817 |
| 2010's | 21 (23.60) | 24.3611 |
| 2020's | 3 (3.37) | 2.80 |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be weak demand-to-supply ratio for research on this compound.
| This Compound (10.22) All Compounds (24.57) |
| Publication Type | This drug (%) | All Drugs (%) |
|---|---|---|
| Trials | 1 (1.12%) | 5.53% |
| Reviews | 6 (6.74%) | 6.00% |
| Case Studies | 1 (1.12%) | 4.05% |
| Observational | 1 (1.12%) | 0.25% |
| Other | 80 (89.89%) | 84.16% |
| [information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023] | ||
| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|---|---|---|---|---|
| chloroacetaldehyde [no description available] | 3.07 | 5 | 0 | organochlorine compound | |
| acetaldehyde Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. | 3.22 | 6 | 0 | aldehyde | carcinogenic agent; EC 3.5.1.4 (amidase) inhibitor; electron acceptor; Escherichia coli metabolite; human metabolite; mouse metabolite; mutagen; oxidising agent; Saccharomyces cerevisiae metabolite; teratogenic agent |
| acetone methyl ketone : A ketone of formula RC(=O)CH3 (R =/= H). | 1.96 | 1 | 0 | ketone body; methyl ketone; propanones; volatile organic compound | EC 3.5.1.4 (amidase) inhibitor; human metabolite; polar aprotic solvent |
| adenine [no description available] | 9.76 | 89 | 1 | 6-aminopurines; purine nucleobase | Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| ammonium hydroxide azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2. | 4.61 | 1 | 1 | azane; gas molecular entity; mononuclear parent hydride | EC 3.5.1.4 (amidase) inhibitor; metabolite; mouse metabolite; neurotoxin; NMR chemical shift reference compound; nucleophilic reagent; refrigerant |
| benzene [no description available] | 2 | 1 | 0 | aromatic annulene; benzenes; volatile organic compound | carcinogenic agent; environmental contaminant; non-polar solvent |
| 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. | 1.96 | 1 | 0 | monocarboxylic acid | antibacterial agent; astringent; metabolite; protic solvent; solvent |
| methane Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC). | 4.61 | 1 | 1 | alkane; gas molecular entity; mononuclear parent hydride; one-carbon compound | bacterial metabolite; fossil fuel; greenhouse gas |
| citric acid, anhydrous Citric Acid: A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.. citric acid : A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. | 4.61 | 1 | 1 | tricarboxylic acid | antimicrobial agent; chelator; food acidity regulator; fundamental metabolite |
| cytosine [no description available] | 6.19 | 25 | 0 | aminopyrimidine; pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| glycerol Moon: The natural satellite of the planet Earth. It includes the lunar cycles or phases, the lunar month, lunar landscapes, geography, and soil. | 4.61 | 1 | 1 | alditol; triol | algal metabolite; detergent; Escherichia coli metabolite; geroprotector; human metabolite; mouse metabolite; osmolyte; Saccharomyces cerevisiae metabolite; solvent |
| histamine [no description available] | 4.61 | 1 | 1 | aralkylamino compound; imidazoles | human metabolite; mouse metabolite; neurotransmitter |
| hydrogen Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 4.61 | 1 | 1 | elemental hydrogen; elemental molecule; gas molecular entity | antioxidant; electron donor; food packaging gas; fuel; human metabolite |
| nitrates Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical. | 4.61 | 1 | 1 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | |
| 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) | 4.61 | 1 | 1 | monovalent inorganic anion; nitrogen oxoanion; reactive nitrogen species | human metabolite |
| propylene glycol Propylene Glycol: A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.. propane-1,2-diol : The simplest member of the class of propane-1,2-diols, consisting of propane in which a hydrogen at position 1 and a hydrogen at position 2 are substituted by hydroxy groups. A colourless, viscous, hygroscopic, low-melting (-59degreeC) and high-boiling (188degreeC) liquid with low toxicity, it is used as a solvent, emulsifying agent, and antifreeze. | 4.61 | 1 | 1 | glycol; propane-1,2-diols | allergen; human xenobiotic metabolite; mouse metabolite; protic solvent |
| sulfur dioxide Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant. | 4.61 | 1 | 1 | sulfur oxide | Escherichia coli metabolite; food bleaching agent; refrigerant |
| thymine [no description available] | 3.53 | 2 | 0 | pyrimidine nucleobase; pyrimidone | Escherichia coli metabolite; human metabolite; mouse metabolite |
| uracil 2,4-dihydroxypyrimidine: a urinary biomarker for bipolar disorder | 2.17 | 1 | 0 | pyrimidine nucleobase; pyrimidone | allergen; Daphnia magna metabolite; Escherichia coli metabolite; human metabolite; mouse metabolite; prodrug; Saccharomyces cerevisiae metabolite |
| isoflurane Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects. | 4.61 | 1 | 1 | organofluorine compound | inhalation anaesthetic |
| ketamine Ketamine: A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors.. ketamine : A member of the class of cyclohexanones in which one of the hydrogens at position 2 is substituted by a 2-chlorophenyl group, while the other is substituted by a methylamino group. | 4.61 | 1 | 1 | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
| memantine [no description available] | 4.61 | 1 | 1 | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist |
| methadone Methadone: A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3). methadone : A racemate comprising equimolar amounts of dextromethadone and levomethadone. It is a opioid analgesic which is used as a painkiller and as a substitute for heroin in the treatment of heroin addiction.. 6-(dimethylamino)-4,4-diphenylheptan-3-one : A ketone that is heptan-3-one substituted by a dimethylamino group at position 6 and two phenyl groups at position 4. | 4.61 | 1 | 1 | benzenes; diarylmethane; ketone; tertiary amino compound | |
| quinone benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.. 1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.. quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included). | 2 | 1 | 0 | 1,4-benzoquinones | cofactor; human xenobiotic metabolite; mouse metabolite |
| safrole Safrole: A member of the BENZODIOXOLES that is a constituent of several VOLATILE OILS, notably SASSAFRAS oil. It is a precursor in the synthesis of the insecticide PIPERONYL BUTOXIDE and the drug N-methyl-3,4-methylenedioxyamphetamine (MDMA).. safrole : A member of the class of benzodioxoles that is 1,3-benzodioxole which is substituted by an allyl group at position 5. It is found in several plants, including black pepper, cinnamon and nutmeg, and is present in several essential oils, notably that of sassafras. It has insecticidal properties and has been used as a topical antiseptic. Although not thought to pose a significant carcinogenic risk to humans, findings of weak carcinogenicity in rats have resulted in the banning of its (previously widespread) use in perfumes and soaps, and as a food additive. | 3.06 | 1 | 0 | benzodioxoles | flavouring agent; insecticide; metabolite; plant metabolite |
| urethane [no description available] | 3.47 | 2 | 0 | carbamate ester | fungal metabolite; mutagen |
| adenosine diphosphate Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 1.97 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
| adenosine monophosphate Adenosine Monophosphate: Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. | 1.97 | 1 | 0 | adenosine 5'-phosphate; purine ribonucleoside 5'-monophosphate | adenosine A1 receptor agonist; cofactor; EC 3.1.3.1 (alkaline phosphatase) inhibitor; EC 3.1.3.11 (fructose-bisphosphatase) inhibitor; fundamental metabolite; micronutrient; nutraceutical |
| cytidine [no description available] | 3.48 | 2 | 0 | cytidines | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| histidine Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3. | 4.61 | 1 | 1 | amino acid zwitterion; histidine; L-alpha-amino acid; polar amino acid zwitterion; proteinogenic amino acid | algal metabolite; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; Saccharomyces cerevisiae metabolite |
| tryptophan Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid; L-alpha-amino acid zwitterion; L-alpha-amino acid; proteinogenic amino acid; tryptophan zwitterion; tryptophan | antidepressant; Escherichia coli metabolite; human metabolite; micronutrient; mouse metabolite; nutraceutical; plant metabolite; Saccharomyces cerevisiae metabolite |
| ethylene Plastipore: high density polyethylene sponge biocompatible material; used as posts in dental bridges | 4.61 | 1 | 1 | alkene; gas molecular entity | plant hormone; refrigerant |
| vinyl chloride Vinyl Chloride: A gas that has been used as an aerosol propellant and is the starting material for polyvinyl resins. Toxicity studies have shown various adverse effects, particularly the occurrence of liver neoplasms.. chloroethene : A monohaloethene that is ethene in which one of the hydrogens has been replaced by a chloro group. | 3.37 | 7 | 0 | chloroethenes; gas molecular entity; monohaloethene | carcinogenic agent |
| ethylene oxide Ethylene Oxide: A colorless and flammable gas at room temperature and pressure. Ethylene oxide is a bactericidal, fungicidal, and sporicidal disinfectant. It is effective against most micro-organisms, including viruses. It is used as a fumigant for foodstuffs and textiles and as an agent for the gaseous sterilization of heat-labile pharmaceutical and surgical materials. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p794). oxirane : A saturated organic heteromonocyclic parent that is a three-membered heterocycle of two carbon atoms and one oxygen atom. | 3.77 | 3 | 0 | gas molecular entity; oxacycle; saturated organic heteromonocyclic parent | allergen; mouse metabolite; mutagen |
| tromethamine Tromethamine: An organic amine proton acceptor. It is used in the synthesis of surface-active agents and pharmaceuticals; as an emulsifying agent for cosmetic creams and lotions, mineral oil and paraffin wax emulsions, as a biological buffer, and used as an alkalizer. (From Merck, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p1424) | 1.96 | 1 | 0 | primary amino compound; triol | buffer |
| cumene hydroperoxide cumene hydroperoxide: RN given refers to parent cpd. cumene hydroperoxide : A peroxol that is cumene in which the alpha-hydrogen is replaced by a hydroperoxy group. | 1.98 | 1 | 0 | peroxol | environmental contaminant; Mycoplasma genitalium metabolite; oxidising agent |
| quinoxalines quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 4.61 | 1 | 1 | mancude organic heterobicyclic parent; naphthyridine; ortho-fused heteroarene | |
| caprolactam Caprolactam: Cyclic amide of caproic acid used in manufacture of synthetic fibers of the polyamide type. Can cause local irritation.. epsilon-caprolactam : A member of the class of caprolactams that is azepane substituted by an oxo group at position 2. | 4.61 | 1 | 1 | caprolactams | human blood serum metabolite |
| furan furan : A monocyclic heteroarene with a structure consisting of a 5-membered ring containing four carbons and one oxygen, with formula C4H4O. It is a toxic, flammable, low-boiling (31degreeC) colourless liquid. | 7.05 | 1 | 0 | furans; mancude organic heteromonocyclic parent; monocyclic heteroarene | carcinogenic agent; hepatotoxic agent; Maillard reaction product |
| thiophenes Thiophenes: A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur.. thiophenes : Compounds containing at least one thiophene ring. | 4.61 | 1 | 1 | mancude organic heteromonocyclic parent; monocyclic heteroarene; thiophenes; volatile organic compound | non-polar solvent |
| isopropyl myristate isopropyl myristate: used for microemulsions; structure | 4.61 | 1 | 1 | fatty acid ester | |
| estragole estragole : A phenylpropanoid that is chavicol in which the hydroxy group is replaced by a methoxy group. | 3.06 | 1 | 0 | alkenylbenzene; monomethoxybenzene; phenylpropanoid | carcinogenic agent; flavouring agent; genotoxin; insect attractant; plant metabolite |
| pentoxyl Pentoxyl: 5-Hydroxymethyl-6-methyl- 2,4-(1H,3H)-pyrimidinedione. Uracil derivative used in combination with toxic antibiotics to lessen their toxicity; also to stimulate leukopoiesis and immunity. Synonyms: pentoksil; hydroxymethylmethyluracil. | 2.02 | 1 | 0 | pyrimidone | |
| benzoxazoles 1,3-benzoxazole : A benzoxazole in which the benzene ring is fused to a 1,3-oxazole ring across positions 4 and 5.. benzoxazole : Compounds based on a fused 1,2- or 1,3-oxazole and benzene bicyclic ring skeleton. | 4.61 | 1 | 1 | 1,3-benzoxazoles; mancude organic heterobicyclic parent | |
| thiazoles [no description available] | 4.61 | 1 | 1 | 1,3-thiazoles; mancude organic heteromonocyclic parent; monocyclic heteroarene | |
| 2-aminopurine 2-Aminopurine: A purine that is an isomer of ADENINE (6-aminopurine).. aminopurine : Any purine having at least one amino substituent.. 2-aminopurine : The parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. | 2.41 | 2 | 0 | 2-aminopurines; nucleobase analogue | antimetabolite |
| fluorobenzenes Fluorobenzenes: Derivatives of BENZENE that contain FLUORINE.. monofluorobenzene : The simplest member of the class of monofluorobenzenes that is benzene carrying a single fluoro substituent.. fluorobenzenes : Any fluoroarene that is a benzene or a substituted benzene carrying at least one fluoro group. | 2.02 | 1 | 0 | monofluorobenzenes | NMR chemical shift reference compound |
| 1,3-dichloroacetone 1,3-dichloroacetone : A ketone that is propan-2-one in which a hydrogen at positions 1 and 3 have been replaced by chloro groups. It is used in the synthesis of citric acid. Also used as a solvent and as an intermediate in organic synthesis. | 1.96 | 1 | 0 | ketone; organochlorine compound | |
| muscone muscone: structure in first source | 4.61 | 1 | 1 | ||
| malondialdehyde Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form. | 1.98 | 1 | 0 | dialdehyde | biomarker |
| deoxycytidine [no description available] | 4.61 | 1 | 1 | pyrimidine 2'-deoxyribonucleoside | Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| 1,2-epoxyhexane [no description available] | 4.61 | 1 | 1 | ||
| 2'-deoxyadenosine triphosphate 2'-deoxyadenosine triphosphate: RN given refers to unlabeled parent cpd | 1.96 | 1 | 0 | 2'-deoxyadenosine 5'-phosphate; purine 2'-deoxyribonucleoside 5'-triphosphate | Escherichia coli metabolite; mouse metabolite |
| thymine glycol thymine glycol: forms photodimers (thymine dimers) under UV; RN given refers to cpd without isomeric designation | 3.53 | 2 | 0 | hydroxypyrimidine | |
| silver Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA. | 10.33 | 3 | 1 | copper group element atom; elemental silver | Escherichia coli metabolite |
| thulium Thulium: An element of the rare earth family of metals. It has the atomic symbol Tm, atomic number 69, and atomic weight 168.93. | 4.61 | 1 | 1 | f-block element atom; lanthanoid atom | |
| titanium Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures. | 4.61 | 1 | 1 | titanium group element atom | |
| uranium Uranium: A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors. | 4.61 | 1 | 1 | actinoid atom; f-block element atom; monoatomic uranium | |
| camptothecin NSC 100880: carboxylate (opened lactone) form of camptothecin; RN refers to (S)-isomer; structure given in first source | 1.99 | 1 | 0 | delta-lactone; pyranoindolizinoquinoline; quinoline alkaloid; tertiary alcohol | antineoplastic agent; EC 5.99.1.2 (DNA topoisomerase) inhibitor; genotoxin; plant metabolite |
| chloroethylene oxide chloroethylene oxide: postulated metabolite of vinyl chloride; structure | 2.38 | 2 | 0 | organochlorine compound | |
| galactose aldohexose : A hexose with a (potential) aldehyde group at one end. | 4.61 | 1 | 1 | ||
| ozone Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs. | 4.61 | 1 | 1 | elemental molecule; gas molecular entity; reactive oxygen species; triatomic oxygen | antiseptic drug; disinfectant; electrophilic reagent; greenhouse gas; mutagen; oxidising agent; tracer |
| paclitaxel Taxus: Genus of coniferous yew trees or shrubs, several species of which have medicinal uses. Notable is the Pacific yew, Taxus brevifolia, which is used to make the anti-neoplastic drug taxol (PACLITAXEL). | 4.61 | 1 | 1 | taxane diterpenoid; tetracyclic diterpenoid | antineoplastic agent; human metabolite; metabolite; microtubule-stabilising agent |
| adefovir adefovir: inhibitor of African swine fever virus. adefovir(1-) : A organophosphonate oxoanion obtained by removal of a proton from the phosphonate group of adefovir, a nucleoside reverse transcriptase inhibitor. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).. adefovir : A member of the class of phosphonic acids that is methylphosphonic acid in which one of the methyl hydrogens has been replaced by a 2-(6-amino-9H-purin-9-yl)ethoxy group. An inhibitor of HIV-1 reverse transcriptase, the bis(t-butoxycarbonyloxymethyl) ester (dipivoxil ester) prodrug is used to treat chronic hepatitis B viral infection. | 1.98 | 1 | 0 | 6-aminopurines; ether; phosphonic acids | antiviral drug; DNA synthesis inhibitor; drug metabolite; HIV-1 reverse transcriptase inhibitor; nephrotoxic agent |
| gemcitabine gemcitabine : A 2'-deoxycytidine having geminal fluoro substituents in the 2'-position. An inhibitor of ribonucleotide reductase, gemcitabine is used in the treatment of various carcinomas, particularly non-small cell lung cancer, pancreatic cancer, bladder cancer and breast cancer. | 4.61 | 1 | 1 | organofluorine compound; pyrimidine 2'-deoxyribonucleoside | antimetabolite; antineoplastic agent; antiviral drug; DNA synthesis inhibitor; EC 1.17.4.1 (ribonucleoside-diphosphate reductase) inhibitor; environmental contaminant; immunosuppressive agent; photosensitizing agent; prodrug; radiosensitizing agent; xenobiotic |
| adenosine quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 2.89 | 4 | 0 | adenosines; purines D-ribonucleoside | analgesic; anti-arrhythmia drug; fundamental metabolite; human metabolite; vasodilator agent |
| baicalin [no description available] | 4.61 | 1 | 1 | dihydroxyflavone; glucosiduronic acid; glycosyloxyflavone; monosaccharide derivative | antiatherosclerotic agent; antibacterial agent; anticoronaviral agent; antineoplastic agent; antioxidant; cardioprotective agent; EC 2.7.7.48 (RNA-directed RNA polymerase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; ferroptosis inhibitor; neuroprotective agent; non-steroidal anti-inflammatory drug; plant metabolite; prodrug |
| phosphoramidic acid phosphoramidic acid: urease inhibitor; RN given refers to parent cpd; structure; do not confuse with phosphoramidites, which are organophosphorus compounds | 2 | 1 | 0 | phosphoric acid derivative | |
| 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. | 2.44 | 2 | 0 | methylguanine | mutagen |
| 1-methylguanine [no description available] | 2.05 | 1 | 0 | methylguanine | |
| dapoxetine [no description available] | 4.61 | 1 | 1 | naphthalenes | |
| voriconazole Voriconazole: A triazole antifungal agent that specifically inhibits STEROL 14-ALPHA-DEMETHYLASE and CYTOCHROME P-450 CYP3A.. voriconazole : A triazole-based antifungal agent used for the treatment of esophageal candidiasis, invasive pulmonary aspergillosis, and serious fungal infections caused by Scedosporium apiospermum and Fusarium spp. It is an inhibitor of cytochrome P450 2C9 (CYP2C9) and CYP3A4. | 4.61 | 1 | 1 | conazole antifungal drug; difluorobenzene; pyrimidines; tertiary alcohol; triazole antifungal drug | P450 inhibitor |
| pentafluorobenzyl bromide pentafluorobenzyl bromide : A member of the class benzyl bromides that is benzyl bromide in which the hydrogens at positions 2, 3, 4, 5 and 6 of the phenyl ring are replaced by fluoro groups. It is a versatile derivatization agent in chromatography and mass spectrometry. | 2.02 | 1 | 0 | benzyl bromides; fluorobenzenes | |
| 5-hydroxymethyluracil [no description available] | 2.02 | 1 | 0 | primary alcohol; pyrimidone | human metabolite |
| nicotine (S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum. | 4.61 | 1 | 1 | 3-(1-methylpyrrolidin-2-yl)pyridine | anxiolytic drug; biomarker; immunomodulator; mitogen; neurotoxin; nicotinic acetylcholine receptor agonist; peripheral nervous system drug; phytogenic insecticide; plant metabolite; psychotropic drug; teratogenic agent; xenobiotic |
| lopinavir [no description available] | 4.61 | 1 | 1 | amphetamines; dicarboxylic acid diamide | anticoronaviral agent; antiviral drug; HIV protease inhibitor |
| 1,n(6)-ethenodeoxyadenosine [no description available] | 1.98 | 1 | 0 | purines | |
| bromoacetaldehyde bromoacetaldehyde: RN given refers to unlabeled cpd | 1.96 | 1 | 0 | organobromine compound | |
| thiamethoxam Thiamethoxam: A nitro-oxazine and thiazole derivative that is used as a broad spectrum neonicotinoid insecticide.. thiamethoxam : An oxadiazane that is tetrahydro-N-nitro-4H-1,3,5-oxadiazin-4-imine bearing (2-chloro-1,3-thiazol-5-yl)methyl and methyl substituents at positions 3 and 5 respectively. | 4.61 | 1 | 1 | 1,3-thiazoles; 2-nitroguanidine derivative; organochlorine compound; oxadiazane | antifeedant; carcinogenic agent; environmental contaminant; neonicotinoid insectide; xenobiotic |
| 1,n(6)-ethenoadenosine 1,N(6)-ethenoadenosine: fluorescent probe; structure | 2.67 | 3 | 0 | ||
| 9-(3-fluoro-2-phosphonylmethoxypropyl)adenine 9-(3-fluoro-2-phosphonylmethoxypropyl)adenine: highly selective antiretroviral agent in vivo & vitro; structure given in first source | 1.98 | 1 | 0 | ||
| peroxynitrous acid Peroxynitrous Acid: A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES). | 4.61 | 1 | 1 | nitrogen oxoacid | |
| imatinib mesylate imatinib methanesulfonate : A methanesulfonate (mesylate) salt that is the monomesylate salt of imatinib. Used for treatment of chronic myelogenous leukemia and gastrointestinal stromal tumours. | 4.61 | 1 | 1 | methanesulfonate salt | anticoronaviral agent; antineoplastic agent; apoptosis inducer; tyrosine kinase inhibitor |
| gefitinib [no description available] | 4.61 | 1 | 1 | aromatic ether; monochlorobenzenes; monofluorobenzenes; morpholines; quinazolines; secondary amino compound; tertiary amino compound | antineoplastic agent; epidermal growth factor receptor antagonist |
| 1,n(6)-ethenoadenosine diphosphate 1,N(6)-ethenoadenosine diphosphate: polarized fluorescence reagents | 1.97 | 1 | 0 | ||
| 1,(n2)-ethenoguanine 1,(N2)-ethenoguanine: formed from 2-halooxiranes; structure given in first source. 1,N(2)-ethenoguanine : A nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine. | 2.99 | 4 | 0 | imidazopurine; nucleobase analogue | |
| 1,n(2)-ethenoguanosine 1,N(2)-ethenoguanosine: structure given in first source | 3.08 | 1 | 0 | ||
| calcium borate calcium borate: RN given refers to cpd with MF CaB4O7 | 4.61 | 1 | 1 | ||
| 2,3-epoxy-4-hydroxynonanal 2,3-epoxy-4-hydroxynonanal: forms in vitro nucleic acid adducts; structure given in first source; RN given is for (2alpha,3beta,(3S*))-(+-) isomer | 1.99 | 1 | 0 | ||
| docetaxel anhydrous Docetaxel: A semisynthetic analog of PACLITAXEL used in the treatment of locally advanced or metastatic BREAST NEOPLASMS and NON-SMALL CELL LUNG CANCER.. docetaxel anhydrous : A tetracyclic diterpenoid that is paclitaxel with the N-benzyloxycarbonyl group replaced by N-tert-butoxycarbonyl, and the acetoxy group at position 10 replaced by a hydroxy group. | 4.61 | 1 | 1 | secondary alpha-hydroxy ketone; tetracyclic diterpenoid | antimalarial; antineoplastic agent; photosensitizing agent |
| etheno-amp [no description available] | 1.97 | 1 | 0 | ||
| n(2),3-ethenoguanine N(2),3-ethenoguanine: formed from 2-halooxiranes. N(2),3-ethenoguanine : A nucleobase analogue obtained by addition of an etheno group across positions N2 and 3 of guanine. | 4.7 | 5 | 0 | imidazopurine; nucleobase analogue | |
| organophosphonates hydrogenphosphite : A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid. | 1.98 | 1 | 0 | divalent inorganic anion; phosphite ion | |
| 5-formyluracil 5-formyluracil: structure. 5-formyluracil : A pyrimidone resulting from the formal oxidation of the alcoholic hydroxy group of 5-hydroxymethyluracil to the corresponding aldehyde. It is a major one-electron photooxidation product of thymine in oligodeoxynucleotides. | 2.17 | 1 | 0 | aldehyde; nucleobase analogue; pyrimidone | human metabolite; mutagen |
| ritonavir Ritonavir: An HIV protease inhibitor that works by interfering with the reproductive cycle of HIV. It also inhibits CYTOCHROME P-450 CYP3A.. ritonavir : An L-valine derivative that is L-valinamide in which alpha-amino group has been acylated by a [(2-isopropyl-1,3-thiazol-4-yl)methyl]methylcarbamoyl group and in which a hydrogen of the carboxamide amino group has been replaced by a (2R,4S,5S)-4-hydroxy-1,6-diphenyl-5-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}hexan-2-yl group. A CYP3A inhibitor and antiretroviral drug from the protease inhibitor class used to treat HIV infection and AIDS, it is often used as a fixed-dose combination with another protease inhibitor, lopinavir. Also used in combination with dasabuvir sodium hydrate, ombitasvir and paritaprevir (under the trade name Viekira Pak) for treatment of chronic hepatitis C virus genotype 1 infection as well as cirrhosis of the liver. | 4.61 | 1 | 1 | 1,3-thiazoles; carbamate ester; carboxamide; L-valine derivative; ureas | antiviral drug; environmental contaminant; HIV protease inhibitor; xenobiotic |
| permanganate [no description available] | 4.61 | 1 | 1 | manganese oxoacid | |
| carboplatin [no description available] | 4.61 | 1 | 1 | ||
| tretinoin Tretinoin: An important regulator of GENE EXPRESSION during growth and development, and in NEOPLASMS. Tretinoin, also known as retinoic acid and derived from maternal VITAMIN A, is essential for normal GROWTH; and EMBRYONIC DEVELOPMENT. An excess of tretinoin can be teratogenic. It is used in the treatment of PSORIASIS; ACNE VULGARIS; and several other SKIN DISEASES. It has also been approved for use in promyelocytic leukemia (LEUKEMIA, PROMYELOCYTIC, ACUTE).. retinoic acid : A retinoid consisting of 3,7-dimethylnona-2,4,6,8-tetraenoic acid substituted at position 9 by a 2,6,6-trimethylcyclohex-1-en-1-yl group (geometry of the four exocyclic double bonds is not specified).. all-trans-retinoic acid : A retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry. | 4.61 | 1 | 1 | retinoic acid; vitamin A | anti-inflammatory agent; antineoplastic agent; antioxidant; AP-1 antagonist; human metabolite; keratolytic drug; retinoic acid receptor agonist; retinoid X receptor agonist; signalling molecule |
| 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. | 1.98 | 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 |
| 2,3-bis(bromomethyl)quinoxaline-1,4-dioxide conoidin A: inhibits the peroxiredoxin TgPrx11; structure in first source | 4.61 | 1 | 1 | ||
| glycosides [no description available] | 2.45 | 2 | 0 | ||
| nitrogen dioxide Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface. | 4.61 | 1 | 1 | nitrogen oxide | |
| cholecalciferol Cholecalciferol: Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.. calciol : A hydroxy seco-steroid that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. | 4.61 | 1 | 1 | D3 vitamins; hydroxy seco-steroid; seco-cholestane; secondary alcohol; steroid hormone | geroprotector; human metabolite |
| baicalein [no description available] | 4.61 | 1 | 1 | 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 |
| 4-hydroxy-2-nonenal 4-hydroxy-2-nonenal: cytotoxic product from peroxidation of liver microsomal lipids; RN given refers to cpd without isomeric designation. 4-hydroxynon-2-enal : An enal consisting of non-2-ene having an oxo group at the 1-position and a hydroxy group at the 4-position.. 4-hydroxynonenal : A monounsaturated fatty aldehyde that is nonanal that has undergone dehydrogenation to introduce a double bond at any position in the aliphatic chain and in which a hydrogen at position 4 has been replaced by a hydroxy group. | 2.1 | 1 | 0 | 4-hydroxynon-2-enal; 4-hydroxynonenal | |
| menaquinone 6 menaquinone 6: RN given refers to (all-E)-isomer | 4.61 | 1 | 1 | ||
| sirolimus Sirolimus: A macrolide compound obtained from Streptomyces hygroscopicus that acts by selectively blocking the transcriptional activation of cytokines thereby inhibiting cytokine production. It is bioactive only when bound to IMMUNOPHILINS. Sirolimus is a potent immunosuppressant and possesses both antifungal and antineoplastic properties.. sirolimus : A macrolide lactam isolated from Streptomyces hygroscopicus consisting of a 29-membered ring containing 4 trans double bonds, three of which are conjugated. It is an antibiotic, immunosupressive and antineoplastic agent. | 4.61 | 1 | 1 | antibiotic antifungal drug; cyclic acetal; cyclic ketone; ether; macrolide lactam; organic heterotricyclic compound; secondary alcohol | antibacterial drug; anticoronaviral agent; antineoplastic agent; bacterial metabolite; geroprotector; immunosuppressive agent; mTOR inhibitor |
| menaquinone 7 menaquinone-7 : A menaquinone whose side-chain contains seven isoprene units in an all-trans-configutation. | 4.61 | 1 | 1 | menaquinone | bone density conservation agent; cofactor; Escherichia coli metabolite; human blood serum metabolite; Mycoplasma genitalium metabolite |
| lead Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. | 4.61 | 1 | 1 | carbon group element atom; elemental lead; metal atom | neurotoxin |
| arsenic Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed) | 4.61 | 1 | 1 | metalloid atom; pnictogen | micronutrient |
| phosphorus Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions. | 4.61 | 1 | 1 | monoatomic phosphorus; nonmetal atom; pnictogen | macronutrient |
| axitinib [no description available] | 4.61 | 1 | 1 | aryl sulfide; benzamides; indazoles; pyridines | antineoplastic agent; tyrosine kinase inhibitor; vascular endothelial growth factor receptor antagonist |
| sorbitan monooleate [no description available] | 4.61 | 1 | 1 | fatty acid ester | |
| pitolisant pitolisant: functions as both inverse agonist and antagonist of histamine H3 receptors; structure in first source | 4.61 | 1 | 1 | organochlorine compound | |
| phosphoramidite phosphoramidite: structure in first source. phosphoramidite : A compound with the general formula (RO)2PNR2. Phosphoramidites can be regarded as phosphites that have an NR2 instead of an OH group, or as amides of phosphorous acid. | 2.08 | 1 | 0 | ||
| glucagon Glucagon: A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511). glucagon : A 29-amino acid peptide hormone consisting of His, Ser, Gln, Gly, Thr, Phe, Thr, Ser, Asp, Tyr, Ser, Lys, Tyr, Leu, Asp, Ser, Arg, Arg, Ala, Gln, Asp, Phe, Val, Gln, Trp, Leu, Met, Asn and Thr residues joined in sequence. | 4.61 | 1 | 1 | peptide hormone | |
| oligonucleotides [no description available] | 8.62 | 9 | 0 | ||
| cellulose DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications. | 4.61 | 1 | 1 | glycoside | |
| chitosan [no description available] | 4.61 | 1 | 1 | ||
| glycolipids [no description available] | 4.61 | 1 | 1 | ||
| piperidines Piperidines: A family of hexahydropyridines. | 4.61 | 1 | 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. | 4.61 | 1 | 1 | ||
| 5-(4-amino-1-propan-2-yl-3-pyrazolo[3,4-d]pyrimidinyl)-1,3-benzoxazol-2-amine sapanisertib: an mTOR inhibitor | 4.61 | 1 | 1 | benzoxazole | |
| heme Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron. | 4.61 | 1 | 1 | ||
| catalpol catalpol: component of dihuang; RN given refers to (1aS-(1aalpha,1bbeta,2beta,5abeta,6beta,6aalpha))-isomer; RN for cpd without isomeric designation not avail 12/92 | 4.61 | 1 | 1 | ||
| guanine [no description available] | 6.31 | 20 | 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. | 4 | 4 | 0 | guanosines; purines D-ribonucleoside | fundamental metabolite |
| hypoxanthine [no description available] | 9.72 | 9 | 0 | nucleobase analogue; oxopurine; purine nucleobase | fundamental metabolite |
| 3-methyladenine N3-methyladenine: structure in first source | 4.01 | 4 | 0 | ||
| 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. | 2.42 | 2 | 0 | 7-methylguanine | |
| 8-hydroxyguanosine 8-hydroxyguanosine: immunostimulant for B lymphocytes; structure given in first source | 2.41 | 2 | 0 | purine nucleoside | |
| 8-hydroxyguanine 7,8-dihydro-8-oxoguanine: was substituted for guanine at G(8), G(9), G(14), or G(15) in the human telomeric oligonucleotide 5'-d[AGGGTTAG(8)G(9)GTT AG(14)G(15)GTTAGGGTGT]-3'. 7,8-dihydro-8-oxoguanine : An oxopurine that is guanine in which the hydrogen at position 8 is replaced by an oxo group and in which the nitrogens at positions 7 and 9 each bear a hydrogen. | 4.38 | 6 | 0 | oxopurine | |
| methylnitronitrosoguanidine Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position | 1.99 | 1 | 0 | nitroso compound | alkylating agent |
| 3,n(4)-ethanocytosine [no description available] | 6.14 | 24 | 0 | organic heterobicyclic compound | mutagen |
| acetylcellulose acetylcellulose: coating compound. cellulose acetate : A glucan derivative obtained through the esterification of cellulose by acetic anhydride or acetic acid, resulting in the substitution of some of the hydroxy groups of cellulose by acetyl groups. It is used in a variety of applications including base material for photographic film, clothing, membrane filters, coatings, food packaging, and as a frame material for eyeglasses. | 4.61 | 1 | 1 | ||
| phosphorus radioisotopes Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 1.98 | 1 | 0 |
| Condition | Indicated | Relationship Strength | Studies | Trials |
|---|---|---|---|---|
| Disease Exacerbation [description not available] | 0 | 14.65 | 49 | 49 |
| Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. | 0 | 4.43 | 1 | 1 |
| Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. | 0 | 4.43 | 1 | 1 |
| Recrudescence [description not available] | 0 | 4.43 | 1 | 1 |
| Diffuse Parenchymal Lung Disease [description not available] | 0 | 4.43 | 1 | 1 |
| Hibernation, Myocardial [description not available] | 0 | 4.43 | 1 | 1 |
| Tuberculosis, Drug-Resistant [description not available] | 0 | 4.43 | 1 | 1 |
| Infections, Coronavirus [description not available] | 0 | 9.74 | 9 | 9 |
| Chronic Hepatitis B [description not available] | 0 | 4.43 | 1 | 1 |
| Anterior Cerebral Circulation Infarction [description not available] | 0 | 4.43 | 1 | 1 |
| Apoplexy [description not available] | 0 | 4.43 | 1 | 1 |
| Diffuse Lymphocytic Lymphoma, Poorly-Differentiated [description not available] | 0 | 4.43 | 1 | 1 |
| Airflow Obstruction, Chronic [description not available] | 0 | 4.43 | 1 | 1 |
| Ductal Carcinoma [description not available] | 0 | 4.43 | 1 | 1 |
| Gastrointestinal Stromal Neoplasm [description not available] | 0 | 4.43 | 1 | 1 |
| Complications of Diabetes Mellitus [description not available] | 0 | 4.43 | 1 | 1 |
| Overweight A status with BODY WEIGHT that is above certain standards. In the scale of BODY MASS INDEX, overweight is defined as having a BMI of 25.0-29.9 kg/m2. Overweight may or may not be due to increases in body fat (ADIPOSE TISSUE), hence overweight does not equal over fat. | 0 | 4.43 | 1 | 1 |
| Atherogenesis [description not available] | 0 | 7.55 | 4 | 4 |
| Bone Fractures [description not available] | 0 | 4.43 | 1 | 1 |
| Chronic Kidney Diseases [description not available] | 0 | 7.55 | 4 | 4 |
| Primary Graft Dysfunction A form of ischemia-reperfusion injury occurring in the early period following transplantation. Significant pathophysiological changes in MITOCHONDRIA are the main cause of the dysfunction. It is most often seen in the transplanted lung, liver, or kidney and can lead to GRAFT REJECTION. | 0 | 4.43 | 1 | 1 |
| Lung Injury, Acute [description not available] | 0 | 4.43 | 1 | 1 |
| Airway Remodeling The structural changes in the number, mass, size and/or composition of the airway tissues. | 0 | 4.43 | 1 | 1 |
| Atheroma [description not available] | 0 | 4.43 | 1 | 1 |
| Lower Urinary Tract Symptom [description not available] | 0 | 4.43 | 1 | 1 |
| Carcinogenesis The origin, production or development of cancer through genotypic and phenotypic changes which upset the normal balance between cell proliferation and cell death. Carcinogenesis generally requires a constellation of steps, which may occur quickly or over a period of many years. | 0 | 9.74 | 9 | 9 |
| Adolescent Obesity [description not available] | 0 | 4.43 | 1 | 1 |
| Allergic Rhinitis [description not available] | 0 | 4.43 | 1 | 1 |
| Thyroid Cancer, Anaplastic [description not available] | 0 | 4.43 | 1 | 1 |
| Encephalopathy, Traumatic [description not available] | 0 | 4.43 | 1 | 1 |
| Familial Nonmedullary Thyroid Cancer [description not available] | 0 | 4.43 | 1 | 1 |
| Esophageal Squamous Cell Carcinoma A carcinoma that originates usually from cells on the surface of the middle and lower third of the ESOPHAGUS. Tumor cells exhibit typical squamous morphology and form large polypoid lesions. Mutations in RNF6, LZTS1, TGFBR2, DEC1, and WWOX1 genes are associated with this cancer. | 0 | 4.43 | 1 | 1 |
| 2019 Novel Coronavirus Disease [description not available] | 0 | 9.74 | 9 | 9 |
| Adenocarcinoma, Basal Cell [description not available] | 0 | 4.76 | 2 | 1 |
| Acute Confusional Senile Dementia [description not available] | 0 | 7.55 | 4 | 4 |
| Anoxemia [description not available] | 0 | 4.43 | 1 | 1 |
| Rheumatoid Arthritis [description not available] | 0 | 4.43 | 1 | 1 |
| Asthma, Bronchial [description not available] | 0 | 4.43 | 1 | 1 |
| Amaurosis [description not available] | 0 | 4.43 | 1 | 1 |
| Bone Loss, Osteoclastic [description not available] | 0 | 4.43 | 1 | 1 |
| Benign Neoplasms, Brain [description not available] | 0 | 4.43 | 1 | 1 |
| Breast Cancer [description not available] | 0 | 9.81 | 10 | 9 |
| Carcinoma, Ehrlich Tumor A transplantable, poorly differentiated malignant tumor which appeared originally as a spontaneous breast carcinoma in a mouse. It grows in both solid and ascitic forms. | 0 | 4.43 | 1 | 1 |
| Carcinoma, Non-Small Cell Lung [description not available] | 0 | 4.43 | 1 | 1 |
| Adenocarcinoma Of Kidney [description not available] | 0 | 7.55 | 4 | 4 |
| Cell Transformation, Neoplastic Cell changes manifested by escape from control mechanisms, increased growth potential, alterations in the cell surface, karyotypic abnormalities, morphological and biochemical deviations from the norm, and other attributes conferring the ability to invade, metastasize, and kill. | 0 | 4.43 | 1 | 1 |
| Clostridioides difficile Infection [description not available] | 0 | 4.43 | 1 | 1 |
| Alloxan Diabetes [description not available] | 0 | 4.43 | 1 | 1 |
| Autoimmune Diabetes [description not available] | 0 | 4.43 | 1 | 1 |
| Diabetes Mellitus, Adult-Onset [description not available] | 0 | 4.43 | 1 | 1 |
| Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. | 0 | 16.15 | 81 | 81 |
| Anasarca [description not available] | 0 | 4.43 | 1 | 1 |
| Cutis Elastica [description not available] | 0 | 4.43 | 1 | 1 |
| E coli Infections [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of Esophagus [description not available] | 0 | 4.43 | 1 | 1 |
| Exanthem [description not available] | 0 | 4.43 | 1 | 1 |
| Glial Cell Tumors [description not available] | 0 | 4.43 | 1 | 1 |
| Cardiac Failure [description not available] | 0 | 11.38 | 16 | 16 |
| Extravascular Hemolysis [description not available] | 0 | 4.43 | 1 | 1 |
| Bleeding [description not available] | 0 | 4.43 | 1 | 1 |
| Hepatitis B Virus Infection [description not available] | 0 | 7.55 | 4 | 4 |
| Hepatocellular Carcinoma [description not available] | 0 | 7.55 | 4 | 4 |
| Fasting Hypoglycemia HYPOGLYCEMIA expressed in the postabsorptive state, after prolonged FASTING, or an overnight fast. | 0 | 4.43 | 1 | 1 |
| Innate Inflammatory Response [description not available] | 0 | 11.44 | 17 | 16 |
| Chronic Insomnia [description not available] | 0 | 4.43 | 1 | 1 |
| Hypermobility, Joint [description not available] | 0 | 4.43 | 1 | 1 |
| Chronic Kidney Failure [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of Kidney [description not available] | 0 | 7.55 | 4 | 4 |
| Cirrhosis, Liver [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of Liver [description not available] | 0 | 7.85 | 5 | 4 |
| Cancer of Lung [description not available] | 0 | 4.76 | 2 | 1 |
| B16 Melanoma [description not available] | 0 | 4.43 | 1 | 1 |
| Muscle Disorders [description not available] | 0 | 4.43 | 1 | 1 |
| Metastase [description not available] | 0 | 7.55 | 4 | 4 |
| Benign Neoplasms [description not available] | 0 | 7.71 | 5 | 4 |
| Morbid Obesity [description not available] | 0 | 4.43 | 1 | 1 |
| Age-Related Osteoporosis [description not available] | 0 | 7.55 | 4 | 4 |
| Cancer of Ovary [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of Pancreas [description not available] | 0 | 9.74 | 9 | 9 |
| Experimental Lung Inflammation Inflammation of any part, segment or lobe, of the lung parenchyma. | 0 | 4.43 | 1 | 1 |
| Prediabetes [description not available] | 0 | 4.43 | 1 | 1 |
| Acute Respiratory Distress Syndrome [description not available] | 0 | 4.43 | 1 | 1 |
| Acute Hypercapnic Respiratory Failure [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of Salivary Gland [description not available] | 0 | 4.43 | 1 | 1 |
| Hemorrhagic Shock [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of Skin [description not available] | 0 | 4.43 | 1 | 1 |
| Blood Clot [description not available] | 0 | 4.43 | 1 | 1 |
| Cancer of the Thyroid [description not available] | 0 | 4.43 | 1 | 1 |
| Pulmonary Consumption [description not available] | 0 | 4.43 | 1 | 1 |
| Deficiency, Vitamin D [description not available] | 0 | 4.43 | 1 | 1 |
| Injuries Used with anatomic headings, animals, and sports for wounds and injuries. Excludes cell damage, for which pathology is used. | 0 | 4.43 | 1 | 1 |
| Injury, Ischemia-Reperfusion [description not available] | 0 | 4.43 | 1 | 1 |
| HIV Coinfection [description not available] | 0 | 4.43 | 1 | 1 |
| Bone Loss, Perimenopausal [description not available] | 0 | 4.43 | 1 | 1 |
| Bacterial Infections, Gram-Negative [description not available] | 0 | 7.55 | 4 | 4 |
| Carcinoma, Ductal, Pancreatic [description not available] | 0 | 4.43 | 1 | 1 |
| Hangman Fracture [description not available] | 0 | 4.43 | 1 | 1 |
| Idiopathic Interstitial Pneumonia [description not available] | 0 | 4.43 | 1 | 1 |
| Eye Infections, Fungal Infection by a variety of fungi, usually through four possible mechanisms: superficial infection producing conjunctivitis, keratitis, or lacrimal obstruction; extension of infection from neighboring structures - skin, paranasal sinuses, nasopharynx; direct introduction during surgery or accidental penetrating trauma; or via the blood or lymphatic routes in patients with underlying mycoses. | 0 | 4.43 | 1 | 1 |
| Local Neoplasm Recurrence [description not available] | 0 | 9.74 | 9 | 9 |
| Invasiveness, Neoplasm [description not available] | 0 | 4.43 | 1 | 1 |
| Cell Transformation, Viral An inheritable change in cells manifested by changes in cell division and growth and alterations in cell surface properties. It is induced by infection with a transforming virus. | 0 | 4.43 | 1 | 1 |
| Delayed Effects, Prenatal Exposure [description not available] | 0 | 4.43 | 1 | 1 |
| Brain Injuries, Traumatic A form of acquired brain injury which occurs when a sudden trauma causes damage to the brain. | 0 | 4.43 | 1 | 1 |
| Adenocarcinoma A malignant epithelial tumor with a glandular organization. | 0 | 9.76 | 2 | 1 |
| Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. | 0 | 5.49 | 3 | 1 |
| Albuminuria The presence of albumin in the urine, an indicator of KIDNEY DISEASES. | 0 | 4.43 | 1 | 1 |
| Alzheimer Disease A degenerative disease of the BRAIN characterized by the insidious onset of DEMENTIA. Impairment of MEMORY, judgment, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57) | 0 | 7.55 | 4 | 4 |
| Hypoxia Sub-optimal OXYGEN levels in the ambient air of living organisms. | 0 | 4.43 | 1 | 1 |
| Arthritis, Rheumatoid A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. | 0 | 4.43 | 1 | 1 |
| Asthma A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and intermittent AIRWAY OBSTRUCTION. It is characterized by spasmodic contraction of airway smooth muscle, WHEEZING, and dyspnea (DYSPNEA, PAROXYSMAL). | 0 | 4.43 | 1 | 1 |
| Blindness The inability to see or the loss or absence of perception of visual stimuli. This condition may be the result of EYE DISEASES; OPTIC NERVE DISEASES; OPTIC CHIASM diseases; or BRAIN DISEASES affecting the VISUAL PATHWAYS or OCCIPITAL LOBE. | 0 | 4.43 | 1 | 1 |
| Brain Neoplasms Neoplasms of the intracranial components of the central nervous system, including the cerebral hemispheres, basal ganglia, hypothalamus, thalamus, brain stem, and cerebellum. Brain neoplasms are subdivided into primary (originating from brain tissue) and secondary (i.e., metastatic) forms. Primary neoplasms are subdivided into benign and malignant forms. In general, brain tumors may also be classified by age of onset, histologic type, or presenting location in the brain. | 0 | 4.43 | 1 | 1 |
| Breast Neoplasms Tumors or cancer of the human BREAST. | 0 | 9.81 | 10 | 9 |
| Carcinoma, Non-Small-Cell Lung A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy. | 0 | 4.43 | 1 | 1 |
| Carcinoma, Renal Cell A heterogeneous group of sporadic or hereditary carcinoma derived from cells of the KIDNEYS. There are several subtypes including the clear cells, the papillary, the chromophobe, the collecting duct, the spindle cells (sarcomatoid), or mixed cell-type carcinoma. | 0 | 7.55 | 4 | 4 |
| Cardiovascular Diseases Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM. | 0 | 7.55 | 4 | 4 |
| Clostridium Infections Infections with bacteria of the genus CLOSTRIDIUM and closely related CLOSTRIDIOIDES species. | 0 | 4.43 | 1 | 1 |
| Colitis Inflammation of the COLON section of the large intestine (INTESTINE, LARGE), usually with symptoms such as DIARRHEA (often with blood and mucus), ABDOMINAL PAIN, and FEVER. | 0 | 4.43 | 1 | 1 |
| Connective Tissue Diseases A heterogeneous group of disorders, some hereditary, others acquired, characterized by abnormal structure or function of one or more of the elements of connective tissue, i.e., collagen, elastin, or the mucopolysaccharides. | 0 | 4.43 | 1 | 1 |
| Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE. | 0 | 4.43 | 1 | 1 |
| Diabetes Mellitus, Type 1 A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence. | 0 | 4.43 | 1 | 1 |
| Diabetes Mellitus, Type 2 A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY. | 0 | 4.43 | 1 | 1 |
| Edema Abnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE. | 0 | 4.43 | 1 | 1 |
| Ehlers-Danlos Syndrome A heterogeneous group of autosomally inherited COLLAGEN DISEASES caused by defects in the synthesis or structure of FIBRILLAR COLLAGEN. There are numerous subtypes: classical, hypermobility, vascular, and others. Common clinical features include hyperextensible skin and joints, skin fragility and reduced wound healing capability. | 0 | 4.43 | 1 | 1 |
| Escherichia coli Infections Infections with bacteria of the species ESCHERICHIA COLI. | 0 | 4.43 | 1 | 1 |
| Esophageal Neoplasms Tumors or cancer of the ESOPHAGUS. | 0 | 4.43 | 1 | 1 |
| Exanthema Diseases in which skin eruptions or rashes are a prominent manifestation. Classically, six such diseases were described with similar rashes; they were numbered in the order in which they were reported. Only the fourth (Duke's disease), fifth (ERYTHEMA INFECTIOSUM), and sixth (EXANTHEMA SUBITUM) numeric designations survive as occasional synonyms in current terminology. | 0 | 4.43 | 1 | 1 |
| Glioma Benign and malignant central nervous system neoplasms derived from glial cells (i.e., astrocytes, oligodendrocytes, and ependymocytes). Astrocytes may give rise to astrocytomas (ASTROCYTOMA) or glioblastoma multiforme (see GLIOBLASTOMA). Oligodendrocytes give rise to oligodendrogliomas (OLIGODENDROGLIOMA) and ependymocytes may undergo transformation to become EPENDYMOMA; CHOROID PLEXUS NEOPLASMS; or colloid cysts of the third ventricle. (From Escourolle et al., Manual of Basic Neuropathology, 2nd ed, p21) | 0 | 4.43 | 1 | 1 |
| Heart Failure A heterogeneous condition in which the heart is unable to pump out sufficient blood to meet the metabolic need of the body. Heart failure can be caused by structural defects, functional abnormalities (VENTRICULAR DYSFUNCTION), or a sudden overload beyond its capacity. Chronic heart failure is more common than acute heart failure which results from sudden insult to cardiac function, such as MYOCARDIAL INFARCTION. | 0 | 11.38 | 16 | 16 |
| Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. | 0 | 4.43 | 1 | 1 |
| Hemorrhage Bleeding or escape of blood from a vessel. | 0 | 4.43 | 1 | 1 |
| Hepatitis B INFLAMMATION of the LIVER in humans caused by a member of the ORTHOHEPADNAVIRUS genus, HEPATITIS B VIRUS. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact. | 0 | 7.55 | 4 | 4 |
| Carcinoma, Hepatocellular A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested. | 0 | 7.55 | 4 | 4 |
| Hypoglycemia A syndrome of abnormally low BLOOD GLUCOSE level. Clinical hypoglycemia has diverse etiologies. Severe hypoglycemia eventually lead to glucose deprivation of the CENTRAL NERVOUS SYSTEM resulting in HUNGER; SWEATING; PARESTHESIA; impaired mental function; SEIZURES; COMA; and even DEATH. | 0 | 4.43 | 1 | 1 |
| Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. | 0 | 11.44 | 17 | 16 |
| Sleep Initiation and Maintenance Disorders Disorders characterized by impairment of the ability to initiate or maintain sleep. This may occur as a primary disorder or in association with another medical or psychiatric condition. | 0 | 4.43 | 1 | 1 |
| Kidney Failure, Chronic The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION. | 0 | 4.43 | 1 | 1 |
| Kidney Neoplasms Tumors or cancers of the KIDNEY. | 0 | 7.55 | 4 | 4 |
| Liver Cirrhosis Liver disease in which the normal microcirculation, the gross vascular anatomy, and the hepatic architecture have been variably destroyed and altered with fibrous septa surrounding regenerated or regenerating parenchymal nodules. | 0 | 4.43 | 1 | 1 |
| Liver Neoplasms Tumors or cancer of the LIVER. | 0 | 7.85 | 5 | 4 |
| Lung Neoplasms Tumors or cancer of the LUNG. | 0 | 4.76 | 2 | 1 |
| Muscular Diseases Acquired, familial, and congenital disorders of SKELETAL MUSCLE and SMOOTH MUSCLE. | 0 | 4.43 | 1 | 1 |
| Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply. | 0 | 4.43 | 1 | 1 |
| Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. | 0 | 7.55 | 4 | 4 |
| Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. | 0 | 7.71 | 5 | 4 |
| Neuroblastoma A common neoplasm of early childhood arising from neural crest cells in the sympathetic nervous system, and characterized by diverse clinical behavior, ranging from spontaneous remission to rapid metastatic progression and death. This tumor is the most common intraabdominal malignancy of childhood, but it may also arise from thorax, neck, or rarely occur in the central nervous system. Histologic features include uniform round cells with hyperchromatic nuclei arranged in nests and separated by fibrovascular septa. Neuroblastomas may be associated with the opsoclonus-myoclonus syndrome. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2099-2101; Curr Opin Oncol 1998 Jan;10(1):43-51) | 0 | 4.43 | 1 | 1 |
| Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY). | 0 | 9.74 | 9 | 9 |
| Obesity, Morbid The condition of weighing two, three, or more times the ideal weight, so called because it is associated with many serious and life-threatening disorders. In the BODY MASS INDEX, morbid obesity is defined as having a BMI greater than 40.0 kg/m2. | 0 | 4.43 | 1 | 1 |
| Osteoporosis Reduction of bone mass without alteration in the composition of bone, leading to fractures. Primary osteoporosis can be of two major types: postmenopausal osteoporosis (OSTEOPOROSIS, POSTMENOPAUSAL) and age-related or senile osteoporosis. | 0 | 7.55 | 4 | 4 |
| Ovarian Neoplasms Tumors or cancer of the OVARY. These neoplasms can be benign or malignant. They are classified according to the tissue of origin, such as the surface EPITHELIUM, the stromal endocrine cells, and the totipotent GERM CELLS. | 0 | 4.43 | 1 | 1 |
| Pancreatic Neoplasms Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA). | 0 | 9.74 | 9 | 9 |
| Pneumonia Infection of the lung often accompanied by inflammation. | 0 | 4.43 | 1 | 1 |
| Pneumonia, Viral Inflammation of the lung parenchyma that is caused by a viral infection. | 0 | 9.74 | 9 | 9 |
| Prediabetic State The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2). | 0 | 4.43 | 1 | 1 |
| Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. | 0 | 11.38 | 16 | 16 |
| Respiratory Distress Syndrome A syndrome characterized by progressive life-threatening RESPIRATORY INSUFFICIENCY in the absence of known LUNG DISEASES, usually following a systemic insult such as surgery or major TRAUMA. | 0 | 4.43 | 1 | 1 |
| Respiratory Insufficiency Failure to adequately provide oxygen to cells of the body and to remove excess carbon dioxide from them. (Stedman, 25th ed) | 0 | 4.43 | 1 | 1 |
| Salivary Gland Neoplasms Tumors or cancer of the SALIVARY GLANDS. | 0 | 4.43 | 1 | 1 |
| Skin Neoplasms Tumors or cancer of the SKIN. | 0 | 4.43 | 1 | 1 |
| Thrombosis Formation and development of a thrombus or blood clot in the blood vessel. | 0 | 4.43 | 1 | 1 |
| Thyroid Neoplasms Tumors or cancer of the THYROID GLAND. | 0 | 4.43 | 1 | 1 |
| Tuberculosis, Pulmonary MYCOBACTERIUM infections of the lung. | 0 | 4.43 | 1 | 1 |
| Uveitis Inflammation of part or all of the uvea, the middle (vascular) tunic of the eye, and commonly involving the other tunics (sclera and cornea, and the retina). (Dorland, 27th ed) | 0 | 4.43 | 1 | 1 |
| Vitamin D Deficiency A nutritional condition produced by a deficiency of VITAMIN D in the diet, insufficient production of vitamin D in the skin, inadequate absorption of vitamin D from the diet, or abnormal conversion of vitamin D to its bioactive metabolites. It is manifested clinically as RICKETS in children and OSTEOMALACIA in adults. (From Cecil Textbook of Medicine, 19th ed, p1406) | 0 | 4.43 | 1 | 1 |
| Wounds and Injuries Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity. | 0 | 4.43 | 1 | 1 |
| Reperfusion Injury Adverse functional, metabolic, or structural changes in tissues that result from the restoration of blood flow to the tissue (REPERFUSION) following ISCHEMIA. | 0 | 4.43 | 1 | 1 |
| HIV Infections Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS). | 0 | 4.43 | 1 | 1 |
| Osteoporosis, Postmenopausal Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including estrogen deficiency. | 0 | 4.43 | 1 | 1 |
| Spinal Fractures Broken bones in the vertebral column. | 0 | 4.43 | 1 | 1 |
| Gram-Negative Bacterial Infections Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method. | 0 | 7.55 | 4 | 4 |
| Lung Diseases, Interstitial A diverse group of lung diseases that affect the lung parenchyma. They are characterized by an initial inflammation of PULMONARY ALVEOLI that extends to the interstitium and beyond leading to diffuse PULMONARY FIBROSIS. Interstitial lung diseases are classified by their etiology (known or unknown causes), and radiological-pathological features. | 0 | 4.43 | 1 | 1 |
| Tuberculosis, Multidrug-Resistant Tuberculosis resistant to chemotherapy with two or more ANTITUBERCULAR AGENTS, including at least ISONIAZID and RIFAMPICIN. The problem of resistance is particularly troublesome in tuberculous OPPORTUNISTIC INFECTIONS associated with HIV INFECTIONS. It requires the use of second line drugs which are more toxic than the first line regimens. TB with isolates that have developed further resistance to at least three of the six classes of second line drugs is defined as EXTENSIVELY DRUG-RESISTANT TUBERCULOSIS. | 0 | 4.43 | 1 | 1 |
| Coronavirus Infections Virus diseases caused by the CORONAVIRUS genus. Some specifics include transmissible enteritis of turkeys (ENTERITIS, TRANSMISSIBLE, OF TURKEYS); FELINE INFECTIOUS PERITONITIS; and transmissible gastroenteritis of swine (GASTROENTERITIS, TRANSMISSIBLE, OF SWINE). | 0 | 9.74 | 9 | 9 |
| Hepatitis B, Chronic INFLAMMATION of the LIVER in humans caused by HEPATITIS B VIRUS lasting six months or more. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact. | 0 | 4.43 | 1 | 1 |
| Brain Infarction Tissue NECROSIS in any area of the brain, including the CEREBRAL HEMISPHERES, the CEREBELLUM, and the BRAIN STEM. Brain infarction is the result of a cascade of events initiated by inadequate blood flow through the brain that is followed by HYPOXIA and HYPOGLYCEMIA in brain tissue. Damage may be temporary, permanent, selective or pan-necrosis. | 0 | 4.43 | 1 | 1 |
| Stroke A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to BRAIN ISCHEMIA or INTRACRANIAL HEMORRHAGES. Stroke is classified by the type of tissue NECROSIS, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. non-hemorrhagic nature. (From Adams et al., Principles of Neurology, 6th ed, pp777-810) | 0 | 4.43 | 1 | 1 |
| Lymphoma, Mantle-Cell A form of non-Hodgkin lymphoma having a usually diffuse pattern with both small and medium lymphocytes and small cleaved cells. It accounts for about 5% of adult non-Hodgkin lymphomas in the United States and Europe. The majority of mantle-cell lymphomas are associated with a t(11;14) translocation resulting in overexpression of the CYCLIN D1 gene (GENES, BCL-1). | 0 | 4.43 | 1 | 1 |
| Carcinoma, Pancreatic Ductal Carcinoma that arises from the PANCREATIC DUCTS. It accounts for the majority of cancers derived from the PANCREAS. | 0 | 4.43 | 1 | 1 |
| Pulmonary Disease, Chronic Obstructive A disease of chronic diffuse irreversible airflow obstruction. Subcategories of COPD include CHRONIC BRONCHITIS and PULMONARY EMPHYSEMA. | 0 | 4.43 | 1 | 1 |
| Carcinoma, Ductal Malignant neoplasms involving the ductal systems of any of a number of organs, such as the MAMMARY GLANDS, the PANCREAS, the PROSTATE, or the LACRIMAL GLAND. | 0 | 4.43 | 1 | 1 |
| Gastrointestinal Stromal Tumors All tumors in the GASTROINTESTINAL TRACT arising from mesenchymal cells (MESODERM) except those of smooth muscle cells (LEIOMYOMA) or Schwann cells (SCHWANNOMA). | 0 | 4.43 | 1 | 1 |
| Atherosclerosis A thickening and loss of elasticity of the walls of ARTERIES that occurs with formation of ATHEROSCLEROTIC PLAQUES within the ARTERIAL INTIMA. | 0 | 7.55 | 4 | 4 |
| Fractures, Bone Breaks in bones. | 0 | 4.43 | 1 | 1 |
| Renal Insufficiency, Chronic Conditions in which the KIDNEYS perform below the normal level for more than three months. Chronic kidney insufficiency is classified by five stages according to the decline in GLOMERULAR FILTRATION RATE and the degree of kidney damage (as measured by the level of PROTEINURIA). The most severe form is the end-stage renal disease (CHRONIC KIDNEY FAILURE). (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002) | 0 | 7.55 | 4 | 4 |
| Acute Lung Injury A condition of lung damage that is characterized by bilateral pulmonary infiltrates (PULMONARY EDEMA) rich in NEUTROPHILS, and in the absence of clinical HEART FAILURE. This can represent a spectrum of pulmonary lesions, endothelial and epithelial, due to numerous factors (physical, chemical, or biological). | 0 | 4.43 | 1 | 1 |
| Rhinitis, Allergic An inflammation of the NASAL MUCOSA triggered by ALLERGENS. | 0 | 4.43 | 1 | 1 |
| Thyroid Carcinoma, Anaplastic An aggressive THYROID GLAND malignancy which generally occurs in IODINE-deficient areas in people with previous thyroid pathology such as GOITER. It is associated with CELL DEDIFFERENTIATION of THYROID CARCINOMA (e.g., FOLLICULAR THYROID CARCINOMA; PAPILLARY THYROID CANCER). Typical initial presentation is a rapidly growing neck mass which upon metastasis is associated with DYSPHAGIA; NECK PAIN; bone pain; DYSPNEA; and NEUROLOGIC DEFICITS. | 0 | 4.43 | 1 | 1 |
| Genome Instability [description not available] | 0 | 2.11 | 1 | 0 |
| Cancer of Colon [description not available] | 0 | 2.13 | 1 | 0 |
| Condition, Preneoplastic [description not available] | 0 | 2.13 | 1 | 0 |
| Colonic Neoplasms Tumors or cancer of the COLON. | 0 | 2.13 | 1 | 0 |
| Precancerous Conditions Pathological conditions that tend eventually to become malignant. | 0 | 2.13 | 1 | 0 |
| Kaposi Disease [description not available] | 0 | 2.15 | 1 | 0 |
| Cockayne Syndrome A syndrome characterized by multiple system abnormalities including DWARFISM; PHOTOSENSITIVITY DISORDERS; PREMATURE AGING; and HEARING LOSS. It is caused by mutations of a number of autosomal recessive genes encoding proteins that involve transcriptional-coupled DNA REPAIR processes. Cockayne syndrome is classified by the severity and age of onset. Type I (classical; CSA) is early childhood onset in the second year of life; type II (congenital; CSB) is early onset at birth with severe symptoms; type III (xeroderma pigmentosum; XP) is late childhood onset with mild symptoms. | 0 | 2.15 | 1 | 0 |
| Xeroderma Pigmentosum A rare, pigmentary, and atrophic autosomal recessive disease. It is manifested as an extreme photosensitivity to ULTRAVIOLET RAYS as the result of a deficiency in the enzyme that permits excisional repair of ultraviolet-damaged DNA. | 0 | 2.15 | 1 | 0 |
| Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) | 0 | 2.71 | 3 | 0 |
| Experimental Hepatoma [description not available] | 0 | 3.3 | 2 | 0 |
| Leukemia L 1210 [description not available] | 0 | 1.95 | 1 | 0 |
| Sarcoma 180 An experimental sarcoma of mice. | 0 | 1.95 | 1 | 0 |