20-HEPE is a metabolite of eicosapentaenoic acid formed by ω-oxidation of EPA by cytochrome P450 (CYP) ω-oxidases, including human CYP4F3B. At 10 μM, it activates peroxisome proliferator-activated receptor α (PPARα) in COS-7 cells expressing a luciferase reporter gene. 20-HEPE also activates mouse transient receptor potential vanilloid receptor 1 (mTRPV1) in vitro but lacks analgesic activity in rats.
ChEBI: 20-HEPE is a HEPE obtained by hydroxylation at position 20 of all-cis-5,8,11,14,17-icosapentaenoic acid. It is a HEPE and a homoallylic alcohol. It is functionally related to an all-cis-5,8,11,14,17-icosapentaenoic acid. It is a conjugate acid of a 20-HEPE(1-).
[1] Harmon, et al. Oxygenation of ω-3 fatty acids by human cytochrome P450 4F3B: Effect on 20-hydroxyeicosatetraenoic acid production. Prostaglandins Leukot. Essent. Fatty Acids 75(3), 169-177 (2006).
