Accession NumberHMDB02314
Common_Name11,12-DiHETrE
Description11,12-DiHETrE is a Cytochrome P450 (P450) eicosanoid. Arachidonic acid may be oxygenated by cytochrome P450 in several ways. Epoxidation of the double bonds leads to the regio- and enantioselective formation of four epoxyeicosatrienoic acids (EETs), which are hydrolyzed by epoxide hydrolase to vicinal diols (DHETs). 11,12-DiHETrE excretion is increased in healthy pregnant women compared with nonpregnant female volunteers, and increased even further in patients with pregnancy-induced hypertension (PIH). The physiological significance of arachidonic acid epoxides has been debated and it is unknown whether they play a role in pregnancy and parturition. Vasodilative effects, inhibition of cyclooxygenase, or inhibition of platelet aggregation by EETs have been observed only at micromolar concentrations. On the other hand, effects on the stimulus-secretion coupling during hormone release have been found in the nanomolar and picomolar range. (PMID: 9440131, 2198572)
Chemical_IUPAC_Name(5Z,8Z,14Z)-11,12-dihydroxyicosa-5,8,14-trienoic acid
Chemical FormulaC20H34O4
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Predicted 1H NMR SpectrumDownload
Predicted 1H NMR PeaklistDownload
Predicted 13C NMR SpectrumDownload
Predicted 13C NMR PeaklistDownload
Sample ConcentrationNot Available
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