Target type: molecularfunction
Enables the transmembrane transfer of a cation by a channel that opens in response to a temperature stimulus (e.g. exposure to a temperature range different than the optimal temperature for that organism). [GOC:ha, GOC:pr, PMID:23027824]
Temperature-gated cation channel activity is a molecular function that describes the ability of a protein to act as a channel through a cell membrane, allowing the passage of positively charged ions (cations) in response to changes in temperature. These channels are highly sensitive to temperature fluctuations, opening or closing in response to specific temperature thresholds. The molecular mechanism underlying this temperature sensitivity varies depending on the specific channel. Some channels may utilize a conformational change in their structure triggered by temperature alterations, while others may rely on the interaction with lipids or other membrane components.
The opening and closing of these channels play a crucial role in various physiological processes, including:
* **Thermoregulation:** Temperature-gated cation channels are involved in sensing temperature changes and triggering physiological responses to maintain body temperature homeostasis.
* **Pain perception:** These channels contribute to the perception of painful stimuli, such as heat and cold.
* **Sensory transduction:** They are involved in detecting temperature changes in the environment, enabling organisms to respond to thermal cues.
* **Neurotransmission:** Temperature-gated cation channels are present in neurons and contribute to the regulation of neuronal activity and signal transmission.
The specific role of these channels can differ depending on the tissue and cell type they are found in. For instance, in the skin, they are involved in detecting temperature changes and generating a sensation of heat or cold. In the brain, they are implicated in regulating neuronal firing and contributing to thermoregulation and pain perception.
Understanding the molecular mechanisms underlying temperature-gated cation channel activity is crucial for elucidating their role in various physiological processes and for developing therapeutic strategies targeting these channels for the treatment of diseases such as pain, epilepsy, and thermoregulation disorders.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Transient receptor potential cation channel subfamily A member 1 | A transient receptor potential cation channel TRPA1 that is encoded in the genome of human. [PRO:HJD, UniProtKB:O75762] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| 4-vinylguaiacol | 2-methoxy-4-vinylphenol : A member of the class of phenols that is guaiacol in which the hydrogen para- to the hydroxy group is replaced by a vinyl group. 2-methoxy-4-vinylphenol: a germination inhibitor; also an odorant in green tea; structure in first source | phenols | flavouring agent; pheromone; plant metabolite |
| 3-methylcatechol | 3-methylbenzene-1,2-diol: structure in first source 3-methylcatechol : A methylcatechol carrying a methyl substituent at position 3. It is a xenobiotic metabolite produced by some bacteria capable of degrading nitroaromatic compounds present in pesticide-contaminated soil samples. dihydroxytoluene : Any hydroxytoluene that has two hydroxy substituents | methylcatechol | bacterial xenobiotic metabolite |
| indole | indole; polycyclic heteroarene | Escherichia coli metabolite | |
| menthol | Menthol: A monoterpene cyclohexanol produced from mint oils. | p-menthane monoterpenoid; secondary alcohol | volatile oil component |
| benzyl isothiocyanate | benzyl isothiocyanate: inhibits carcinogen-induced neoplasia; structure in Negwer, 5th ed, #715; also promotes urinary bladder carcinoma | benzenes; isothiocyanate | antibacterial drug |
| cannabinol | Cannabinol: A physiologically inactive constituent of Cannabis sativa L. | dibenzopyran | |
| diclofenac | diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position. Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt. | amino acid; aromatic amine; dichlorobenzene; monocarboxylic acid; secondary amino compound | antipyretic; drug allergen; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-narcotic analgesic; non-steroidal anti-inflammatory drug; xenobiotic |
| disulfiram | 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 | |
| flufenamic acid | flufenamic acid : An aromatic amino acid consisting of anthranilic acid carrying an N-(trifluoromethyl)phenyl substituent. An analgesic and anti-inflammatory, it is used in rheumatic disorders. Flufenamic Acid: An anthranilic acid derivative with analgesic, anti-inflammatory, and antipyretic properties. It is used in musculoskeletal and joint disorders and administered by mouth and topically. (From Martindale, The Extra Pharmacopoeia, 30th ed, p16) | aromatic amino acid; organofluorine compound | antipyretic; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; non-narcotic analgesic; non-steroidal anti-inflammatory drug |
| iodoacetamide | |||
| juglone | juglone : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogen at position 5 has been replaced by a hydroxy group. A plant-derived 1,4-naphthoquinone with confirmed antibacterial and antitumor activities. juglone: structure | hydroxy-1,4-naphthoquinone | geroprotector; herbicide; reactive oxygen species generator |
| mefenamic acid | mefenamic acid : An aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,3-dimethylphenyl group. Although classed as a non-steroidal anti-inflammatory drug, its anti-inflammatory properties are considered to be minor. It is used to relieve mild to moderate pain, including headaches, dental pain, osteoarthritis and rheumatoid arthritis. Mefenamic Acid: A non-steroidal anti-inflammatory agent with analgesic, anti-inflammatory, and antipyretic properties. It is an inhibitor of cyclooxygenase. | aminobenzoic acid; secondary amino compound | analgesic; antipyretic; antirheumatic drug; EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor; environmental contaminant; non-steroidal anti-inflammatory drug; xenobiotic |
| masoprocol | nordihydroguaretic acid: antioxidant compound found in the creosote bush (Larrea tridentata) | catechols; lignan; tetrol | antioxidant; ferroptosis inhibitor; geroprotector; plant metabolite |
| 5-nitro-2-(3-phenylpropylamino)benzoic acid | 5-nitro-2-(3-phenylpropylamino)benzoic acid: structure given in first source; chloride channel antagonist | nitrobenzoic acid | |
| probenecid | probenecid : A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. Probenecid: The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy. | benzoic acids; sulfonamide | uricosuric drug |
| allyl isothiocyanate | allyl isothiocyanate : An isothiocyanate with the formula CH2=CHCH2N=C=S. A colorless oil with boiling point 152degreeC, it is responsible for the pungent taste of mustard, horseradish, and wasabi. allyl isothiocyanate: used in the manufacture of flavors, war gases; medical use as a counterirritant; structure | alkenyl isothiocyanate; isothiocyanate | antimicrobial agent; antineoplastic agent; apoptosis inducer; lachrymator; metabolite |
| thymol | thymol : A phenol that is a natural monoterpene derivative of cymene. Thymol: A phenol obtained from thyme oil or other volatile oils used as a stabilizer in pharmaceutical preparations, and as an antiseptic (antibacterial or antifungal) agent. | monoterpenoid; phenols | volatile oil component |
| 2-chlorophenol | chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms. | 2-halophenol; monochlorophenol | |
| benzyl bromide | benzyl bromide : A member of the class of benzyl bromides that is toluene substituted on the alpha-carbon with bromine. benzyl bromide: structure given in first source | benzyl bromides | lachrymator |
| ethyl bromoacetate | |||
| acrolein | enal | herbicide; human xenobiotic metabolite; toxin | |
| dibenz(b,f)(1,4)oxazepine | |||
| 4-methylcatechol | methylcatechol | antioxidant; carcinogenic agent; hapten; human metabolite; plant metabolite | |
| plumbagin | plumbagin : A hydroxy-1,4-naphthoquinone that is 1,4-naphthoquinone in which the hydrogens at positions 2 and 5 are substituted by methyl and hydroxy groups, respectively. plumbagin: a superoxide anion generator | hydroxy-1,4-naphthoquinone; phenols | anticoagulant; antineoplastic agent; immunological adjuvant; metabolite |
| carvacrol | carvacrol : A phenol that is a natural monoterpene derivative of cymene. An inhibitor of bacterial growth, it is used as a food additive. Potent activator of the human ion channels transient receptor potential V3 (TRPV3) and A1 (TRPA1). | botanical anti-fungal agent; p-menthane monoterpenoid; phenols | agrochemical; antimicrobial agent; flavouring agent; TRPA1 channel agonist; volatile oil component |
| 2,3-dimethylphenol | |||
| toluene 2,4-diisocyanate | toluene 2,4-diisocyanate : A toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 4 relative to the methyl group on the benzene ring. Toluene 2,4-Diisocyanate: Skin irritant and allergen used in the manufacture of polyurethane foams and other elastomers. | toluene meta-diisocyanate | allergen; hapten |
| allyl sulfide | allyl sulfide: essence of garlic; inhibits CYP2E1 | organic sulfide | |
| bromoacetone | bromoacetone : An alpha-bromoketone that is acetone in which one of the hydrogens is replaced by a bromine atom. A poweful lachrymator, it was formerly used as a chemical weapon. | alpha-bromoketone | lachrymator |
| dronabinol | Delta(9)-tetrahydrocannabinol : A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. The principal psychoactive constituent of the cannabis plant, it is used for treatment of anorexia associated with AIDS as well as nausea and vomiting associated with cancer chemotherapy. Dronabinol: A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer delta-9-tetrahydrocannabinol (THC) is considered the most active form, producing characteristic mood and perceptual changes associated with this compound. | benzochromene; diterpenoid; phytocannabinoid; polyketide | cannabinoid receptor agonist; epitope; hallucinogen; metabolite; non-narcotic analgesic |
| diallyl trisulfide | organic trisulfide | anti-inflammatory agent; antilipemic drug; antineoplastic agent; antioxidant; antiprotozoal drug; apoptosis inducer; estrogen receptor antagonist; insecticide; platelet aggregation inhibitor; vasodilator agent | |
| perillaldehyde | perillaldehyde: from oil of Perillae herba; has neuropharmacological actions; RN given refers to cpd without isomeric designation; structure in Merck Index, 9th ed, #6956 perillyl aldehyde : An aldehyde that is cyclohex-1-ene-1-carbaldehyde substituted by a prop-1-en-2-yl group at position 4. | aldehyde; olefinic compound | human metabolite; mouse metabolite; volatile oil component |
| diallyl disulfide | diallyl disulfide : An organic disulfide where the organic group specified is allyl. It has been isolated from garlic and other species of the genus Allium. diallyl disulfide: major constituent of garlic oil | organic disulfide | antifungal agent; antineoplastic agent; plant metabolite |
| menthol | (-)-menthol : A p-menthan-3-ol which has (1R,2S,5R)-stereochemistry. It is the most common naturally occurring enantiomer. (+-)-menthol : A racemate comprising equimolar amounts of (+)- and (-)-menthol. Both (+-)- and (-)-menthol are used to relieve symptoms of conditions such as bronchitis and sinusitis. When applied to the skin, menthol dilates the blood vessels, giving a sensation of coldness followed by an analgesic effect that relieves itching. It is therefore used in creams and ointments for the relief of pruritis and urticaria. | p-menthan-3-ol | antipruritic drug; antispasmodic drug; antitussive |
| phenethyl isothiocyanate | 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. phenethyl isothiocyanate: a dietary liver aldehyde dehydrogenase inhibitor; promotes urinary bladder carcinoma | isothiocyanate | antineoplastic agent; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; metabolite |
| o-chlorobenzylidenemalonitrile | o-Chlorobenzylidenemalonitrile: A riot control agent which causes temporary irritation of the eyes and the mucosal surface of the respiratory tract. It is a more potent irritant than OMEGA-CHLOROACETOPHENONE, but less incapacitating. | organochlorine compound | |
| chlordantoin | chlordantoin: structure | imidazolidine-2,4-dione | |
| cannabichromene | 1-benzopyran | ||
| isovelleral | isovelleral: structure given in first source | aldehyde | |
| iberverin | |||
| 4-ethylguaiacol | 4-ethylguaiacol: a constituent of wood creosote; suppresses intestinal smooth muscle contraction | methoxybenzenes; phenols | |
| allicin | botanical anti-fungal agent; sulfoxide | antibacterial agent | |
| perilla ketone | perilla ketone: potent lung toxin from Perilla frutescens; structure | aromatic ketone | |
| 4-ethylcatechol | 4-ethylcatechol: structure in first source | catechols | |
| polygodial | aldehyde | ||
| voacamine | alkaloid ester; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; plant metabolite | |
| erucin | isothiocyanate | ||
| 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. | 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 |
| beta-eudesmol | beta-eudesmol : A carbobicyclic compound that is trans-decalin substituted at positions 2, 4a, and 8 by 2-hydroxypropan-2-yl, methyl and methylidene groups, respectively (the 2R,4aR,8aS-diastereoisomer). beta-eudesmol: found in Atractylodes and other plants; RN given refers to (2R-(2alpha,4aalpha,8abeta))-isomer | carbobicyclic compound; eudesmane sesquiterpenoid; tertiary alcohol | volatile oil component |
| (6ar-trans)-isomer of tetrahydrocannabivarin 9 | |||
| camphora | (R)-camphor : The (R)- enantiomer of camphor. camphora: a component of Guanxingao, a kind of traditional Chinese rubber electuary medicine which is able to either cure or guard against coronary heart disease and angina pectoris | camphor | |
| 4-hydroxybenzyl isothiocyanate | 4-hydroxybenzyl isothiocyanate: found in white mustard; structure in first source | phenols | |
| ag 3-5 | icilin: a cooling compound that activates TRPM8 | C-nitro compound | |
| 6-methylthiohexyl isothiocyanate | 1-isothiocyanato-6-(methylsulfanyl)hexane : A isothiocyanate that is hexane in which two of the terminal methyl hydrogens at positions 1 and 6 have been replaced by isothiocyanato and methylsulfanyl groups. 6-methylthiohexyl isothiocyanate: isolated from Wasabia japonica (wasabi) | isothiocyanate; methyl sulfide | antineoplastic agent; Arabidopsis thaliana metabolite; EC 4.1.1.17 (ornithine decarboxylase) inhibitor; neuroprotective agent |
| dihydroresveratrol | dihydroresveratrol : A stilbenol that is 1,1'-ethane-1,2-diyldibenzene with hydroxy groups at positions 1, 3 and 4'. dihydroresveratrol: structure in first source | stilbenol | plant metabolite; xenobiotic metabolite |
| resveratrol | trans-resveratrol : A resveratrol in which the double bond has E configuration. | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
| 2-butenal | crotonaldehyde : An enal consisting of propene having a formyl group at the 1-position. | enal | |
| cinnamaldehyde | (E)-cinnamaldehyde : The E (trans) stereoisomer of cinnamaldehyde, the parent of the class of cinnamaldehydes. 3-phenylprop-2-enal : A member of the class of cinnamaldehydes that is prop-2-enal in which a hydrogen at position 3 has been replaced by a phenyl group. The configuration of the double bond is not specified; the name "cinnamaldehyde" is widely used to refer to the E (trans) isomer. | 3-phenylprop-2-enal; cinnamaldehydes | antifungal agent; EC 4.3.1.24 (phenylalanine ammonia-lyase) inhibitor; flavouring agent; hypoglycemic agent; plant metabolite; sensitiser; vasodilator agent |
| butylidenephthalide | 2-benzofurans; gamma-lactone | EC 3.2.1.20 (alpha-glucosidase) inhibitor; hypoglycemic agent; metabolite | |
| isoeugenol | trans-isoeugenol : The trans-stereoisomer of isoeugenol. | isoeugenol | plant metabolite |
| hc 030031 | 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-N-(4-isopropylphenyl)acetamide: a TRPA1 channel blocker | ||
| urb 597 | cyclohexyl carbamic acid 3'-carbamoylbiphenyl-3-yl ester: a fatty acid amide hydrolase inhibitor; structure in first source | biphenyls | |
| prostaglandin a2 | prostaglandin A2: RN given refers to (5Z,13E,15S)-isomer | prostaglandins A | human metabolite |
| prostaglandin a1 | prostaglandins A | ||
| tranilast | tranilast : An amidobenzoic acid that is anthranilic acid in which one of the anilino hydrogens is replaced by a 3,4-dimethoxycinnamoyl group. tranilast: antiallergic drug; potent inhibitor of homologous passive cutaneous anaphylaxis | amidobenzoic acid; cinnamamides; dimethoxybenzene; secondary carboxamide | anti-allergic agent; anti-asthmatic drug; antineoplastic agent; aryl hydrocarbon receptor agonist; calcium channel blocker; hepatoprotective agent; nephroprotective agent |
| 15-deoxy-delta(12,14)-prostaglandin j2 | 15-deoxy-Delta(12,14)-prostaglandin J2 : A prostaglandin J derivative comprising prostaglandin J2 lacking the 15-hydroxy group and having C=C double bonds at the 12- and 14-positions. 15-deoxy-delta(12,14)-prostaglandin J2: 15-deoxy-PGJ2 is also available; check for double bonds (indicated by delta) at 12 and 14 positions | prostaglandins J | electrophilic reagent; insulin-sensitizing drug; metabolite |
| cannabigerol | cannabigerol : A member of the class of resorcinols that is resorcinol which is substituted by a (2E)-3,7-dimethylocta-2,6-dien-1-yl group at position 2 and by a pentyl group at position 5. It is a natural product found in Cannabis sativa and Helichrysum species. cannabigerol: RN given refers to (E)-isomer; structure given in first source | phytocannabinoid; resorcinols | anti-inflammatory agent; antibacterial agent; antioxidant; appetite enhancer; cannabinoid receptor agonist; neuroprotective agent; plant metabolite |
| ligustilide | ligustilide: found in Umbelliferae plants; RN given refers to cpd without isomeric designation; structure in first source | butenolide | metabolite |
| 4-amylcinnamoylanthranilic acid | 4-amylcinnamoylanthranilic acid: phospholipase A2 inhibitor N-(p-amylcinnamoyl)anthranilic acid : An amidobenzoic acid that is anthranilic acid in which one of the anilino hydrogens is replaced by a 4-pentylcinnamoyl group. It is a transient receptor potential (TRP) channel blocker and phospholipase A2 (PLA2) inhibitor. | amidobenzoic acid; cinnamamides; secondary carboxamide | EC 3.1.1.4 (phospholipase A2) inhibitor; TRP channel blocker |
| farnesylthioacetic acid | farnesylthioacetic acid: a competitive inhibitor of isoprenylated protein methyltransferase; structure in first source | ||
| 2-pentenal | (E)-2-pentenal : A 2-pentenal in which the double bond has (E)-configuration. It is found in cigarette smoke, virgin olive oil, and milk. 2-pentenal : An enal consisting of pent-2-ene having an oxo group at the 1-position 2-pentenal: RN given refers to cpd without isomeric designation | 2-pentenal | plant metabolite |
| catharanthine | alkaloid ester; bridged compound; methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | ||
| s-trans,trans-farnesylthiosalicylic acid | farnesylthiosalicylic acid: structure in first source | sesquiterpenoid | |
| 4-oxo-2-nonenal | (E)-4-oxonon-2-enal : The enal that is (E)-non-2-enal substituted with an oxo group at C-4. 4-oxo-2-nonenal: reacts with 2'-deoxyguanosine; a product of lipid peroxidation; structure in first source | enal; enone | human metabolite |
| borneol | borneol | ||
| 4-(4-chlorophenyl)-3-methylbut-3-en-2-oxime | 4-(4-chlorophenyl)-3-methylbut-3-en-2-oxime: a TRPA1 antagonist | ||
| n-(4-tert-butylphenyl)-4-(3-chloropyridin-2-yl)tetrahydropyrazine-1(2h)-carboxamide | N-(4-tert-butylphenyl)-4-(3-chloropyridin-2-yl)tetrahydropyrazine-1(2H)-carboxamide: a vanilloid receptor 1 antagonist and analgesic; structure in first source | piperazines; pyridines | |
| arachidonoylserotonin | arachidonoylserotonin: an NSAID with antinociceptive activity; fatty acid amide hydrolase inhibitor; structure in first source N-arachidonoylserotonin : An N-acylserotonin obtained by formal condensation of the carboxy group of arachidonic acid with the primary amino group of serotonin. | N-acylserotonin; phenols | anti-inflammatory agent; anticonvulsant; antioxidant; capsaicin receptor antagonist; EC 3.5.1.99 (fatty acid amide hydrolase) inhibitor; human metabolite; signalling molecule |
| methylphenidate | N-phenyl-4-(quinolin-2-ylmethyl)piperazine-1-carboxamide: a fatty acid amide hydrolase inhibitor; structure in first source | ||
| cannabidivarin | cannabidivarin: from Cannabis sativa | monoterpenoid | |
| a-438079 | |||
| 8-iso-prostaglandin a2 | 8-isoprostaglandin A2: a cyclopentenone isoprostane | prostanoid | |
| a 967079 | A 967079: a TRPA1 channel antagonist; structure in first source | ||
| voacristine | voacristine: indole alkaloid from leaves of Ervatamia coronaria; RN given for 20(S)-isomer; structure given in first source | ||
| miogadial | miogadial: responsible for hot taste of myoga, Zingiber mioga; structure in first source |