Discovery of a Novel Microsomal Epoxide Hydrolase-Catalyzed Hydration of a Spiro Oxetane
作者:X.-Q. Li、M. A. Hayes、G. Gronberg、K. Berggren、N. Castagnoli、L. Weidolf
DOI:10.1124/dmd.116.071142
日期:2016.7.8
performed probing the formation of M1 in human liver microsomes. The formation of M1 was substantially inhibited by progabide, a microsomal epoxide hydrolase inhibitor, but not by trans-4-[4-(1-adamantylcarbamoylamino)cyclohexyloxy]benzoic acid, a soluble epoxide hydrolase inhibitor. On the basis of these results, we propose that microsomal epoxide hydrolasecatalyzes the formation of M1. The substrate
Oxetane Substrates of Human Microsomal Epoxide Hydrolase
作者:Francesca Toselli、Marlene Fredenwall、Peder Svensson、Xue-Qing Li、Anders Johansson、Lars Weidolf、Martin A. Hayes
DOI:10.1124/dmd.117.076489
日期:2017.8
recombinant mEH. In human liver fractions and hepatocytes, hydrolysis by mEH was the only oxetane ring-opening metabolic route, with no contribution from sEH or from cytochrome P450-catalyzed oxidation. Minimally altering the structural elements in the immediate vicinity of the oxetane can greatly modulate the efficiency of hydrolytic ringcleavage. In particular, higher pKa in the vicinity of the oxetane
Hip To Be Square: Oxetanes as Design Elements To Alter Metabolic Pathways
作者:Francesca Toselli、Marlene Fredenwall、Peder Svensson、Xue-Qing Li、Anders Johansson、Lars Weidolf、Martin A. Hayes
DOI:10.1021/acs.jmedchem.9b00030
日期:2019.8.22
Oxetane-containing ring systems are increasingly used in medicinal chemistry programs to modulate druglike properties. We have shown previously that oxetanes are hydrolyzed to diols by human microsomal epoxide hydrolase (mEH). Mapping the enzymes that contribute to drug metabolism is important since an exaggerated dependence on one specific isoenzyme increases the risk of drug-drug interactions with