Title : Glucuronidation of nicotine and cotinine by UGT2B10: loss of function by the UGT2B10 Codon 67 (Asp>Tyr) polymorphism.

Pub. Date : 2007 Oct 1

PMID : 17909004






8 Functional Relationships(s)
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1 Glucuronidation of nicotine and cotinine by UGT2B10: loss of function by the UGT2B10 Codon 67 (Asp>Tyr) polymorphism. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
2 In the present study, microsomes of UGT2B10-overexpressing HEK293 cells exhibited high N-glucuronidation activity against both nicotine and cotinine with apparent KM"s that were 37- and 3-fold lower than that observed for microsomes of UGT1A4-overexpressing cells against nicotine and cotinine, respectively. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
3 In the present study, microsomes of UGT2B10-overexpressing HEK293 cells exhibited high N-glucuronidation activity against both nicotine and cotinine with apparent KM"s that were 37- and 3-fold lower than that observed for microsomes of UGT1A4-overexpressing cells against nicotine and cotinine, respectively. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
4 The KM of microsomes from wild-type (WT) UGT2B10-overexpressing cells for nicotine and cotinine was similar to that observed for human liver microsomes (HLM) against both substrates. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
5 These data suggest that UGT2B10 is the major hepatic enzyme involved in nicotine/cotinine glucuronidation and that the UGT2B10*2 variant significantly reduces nicotine- and cotinine-N-glucuronidation formation and plays an important role in nicotine metabolism and elimination. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
6 These data suggest that UGT2B10 is the major hepatic enzyme involved in nicotine/cotinine glucuronidation and that the UGT2B10*2 variant significantly reduces nicotine- and cotinine-N-glucuronidation formation and plays an important role in nicotine metabolism and elimination. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
7 These data suggest that UGT2B10 is the major hepatic enzyme involved in nicotine/cotinine glucuronidation and that the UGT2B10*2 variant significantly reduces nicotine- and cotinine-N-glucuronidation formation and plays an important role in nicotine metabolism and elimination. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens
8 These data suggest that UGT2B10 is the major hepatic enzyme involved in nicotine/cotinine glucuronidation and that the UGT2B10*2 variant significantly reduces nicotine- and cotinine-N-glucuronidation formation and plays an important role in nicotine metabolism and elimination. Cotinine UDP glucuronosyltransferase family 2 member B10 Homo sapiens