HET0016 is a potent and selective inhibitor against cytochrome P450 (CYP450) ω-hydroxylases (human CYP4A11/4A22/4F2/4F3, rat CYP4A1/4A2/4A3/4A8)-mediated 20-hydroxyeicosatetraenoic acid (20-HETE) biosynthesis (IC50 = 8.9/35 nM using human/rat renal microsomes), exhibiting much reduced potency against epoxyeicosatrienoic acids (EETs) biosynthesis (IC50 = 2.8 μM/rat microsome) or the enzyme activities of CYP2C9/2D6/3A4 and COX (IC50 = 3.3/83.9/71 μM and 2.3 μM). HET0016 is widely employed both in cultures (1-10 μM) and in aminals in vivo (1-10 mg/kg via i.v., i.m., i.p. or s.c.) for probing 20-HETE-dependent physiological and pathological processes.
Potent and selective inhibitor against cytochrome P450 (CYP450) ω-hydroxylases-mediated 20-hydroxyeicosatetraenoic acid (20-HETE) biosynthesis.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 112, 205-215 (2018-01-07)
This study was designed to characterize lauric acid metabolism to facilitate the establishment of cytochrome P450 4A11 (CYP4A11) inhibition assay. Three metabolites (2-, 11-, and 12-hydroxylauric acids) were identified in pooled human liver microsomes based on comparisons with authentic standards.
N-(4-Butyl-2-methylphenyl)-N'-hydroxyformamidine (HET0016) was evaluated as the first potent and selective inhibitor of 20-hydroxy-5,8,11,14-eicosatetraenoic acid (20-HETE) synthase. The IC(50) value of HET0016 for the production of 20-HETE from arachidonic acid (AA) by human renal microsomes was 8.9+/-2.7 nM, with over 200
Contribution of salt wasting and volume depletion to the pathogenesis of hypercalciuria and hyperphosphaturia is poorly understood. Pendrin/NCC double KO (pendrin/NCC-dKO) mice display severe salt wasting under basal conditions and develop profound volume depletion, prerenal renal failure, and metabolic alkalosis
British journal of pharmacology, 133(3), 325-329 (2001-05-26)
The present study examined the inhibitory effects of N-hydroxy-N'-(4-butyl-2-methylphenyl)-formamidine (HET0016) on the renal metabolism of arachidonic acid by cytochrome P450 (CYP) enzymes. HET0016 exhibited a high degree of selectivity in inhibiting the formation of 20-hydroxy-5,8,11,14-eicosatetraenoic acid (20-HETE) in rat renal
Frontiers in bioscience (Landmark edition), 21, 1427-1463 (2016-04-23)
Cytochrome P450s enzymes catalyze the metabolism of arachidonic acid to epoxyeicosatrienoic acids (EETs), dihydroxyeicosatetraenoic acid and hydroxyeicosatetraeonic acid (HETEs). 20-HETE is a vasoconstrictor that depolarizes vascular smooth muscle cells by blocking K+ channels. EETs serve as endothelial derived hyperpolarizing factors.
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