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Generation and characterization of novel cytochrome P450 Cyp2c gene cluster knockout and CYP2C9 humanized mouse lines

  • Compared with rodents and many other animal species, the human cytochrome P450 (P450) Cyp2c gene cluster varies significantly in the multiplicity of functional genes and in the substrate specificity of its enzymes. As a consequence, the use of wild-type animal models to predict the role of human CYP2C enzymes in drug metabolism and drug-drug interactions is limited. Within the human CYP2C cluster CYP2C9 is of particular importance, because it is one of the most abundant P450 enzymes in human liver, and it is involved in the metabolism of a wide variety of important drugs and environmental chemicals. To investigate the in vivo functions of cytochrome P450 Cyp2c genes and to establish a model for studying the functions of CYP2C9 in vivo, we have generated a mouse model with a deletion of the murine Cyp2c gene cluster and a corresponding humanized model expressing CYP2C9 specifically in the liver. Despite the high number of functional genes in the mouse Cyp2c cluster and the reported roles of some of these proteins in different biological processes, mice deleted for Cyp2c genes were viable and fertile but showed certain phenotypic alterations in the liver. The expression of CYP2C9 in the liver also resulted in viable animals active in the metabolism and disposition of a number of CYP2C9 substrates. These mouse lines provide a powerful tool for studying the role of Cyp2c genes and of CYP2C9 in particular in drug disposition and as a factor in drug-drug interaction.

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Metadaten
Author:Nico ScheerORCiD, Yury Kapelyukh, Anja Rode, Sandra Buechel, C. Roland Wolf
DOI:https://doi.org/10.1124/mol.112.080036
ISSN:1521-0111
Parent Title (English):Molecular Pharmacology
Publisher:ASPET
Place of publication:Bethesda, Md.
Document Type:Article
Language:English
Year of Completion:2012
Date of the Publication (Server):2019/04/04
Volume:82
Issue:6
First Page:1022
Last Page:1029
Link:https://doi.org/10.1124/mol.112.080036
Zugriffsart:bezahl
Institutes:FH Aachen / Fachbereich Chemie und Biotechnologie
collections:Verlag / ASPET