NADPH-Cytochrome P450 Oxidoreductase: Roles in Physiology, Pharmacology and Toxicology

Riddick, David, Ding, Xinxin, Wolf, Roland, Porter, Todd, Pandey, Amit, Zhang, Qing-Yu, Gu, Jun, Finn, Robert, Ronseaux, Sebastien, McLaughlin, Lesley, Henderson, Colin, Zou, Ling and Fluck, Christa (2013) NADPH-Cytochrome P450 Oxidoreductase: Roles in Physiology, Pharmacology and Toxicology. Drug Metabolism and Disposition, 41 (1). pp. 12-23. ISSN 0090-9556

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Official URL: http://dx.doi.org/10.1124/dmd.112.048991

Abstract

This is a report on a symposium sponsored by the American Society for Pharmacology and Experimental Therapeutics and held at the Experimental Biology 2012 meeting in San Diego, California on April 25, 2012. The symposium speakers summarized and critically evaluated our current understanding of the physiological, pharmacological and toxicological roles of NADPH-cytochrome P450 oxidoreductase (POR), a flavoprotein involved in electron transfer to microsomal cytochromes P450 (P450), cytochrome b5, squalene monooxygenase and heme oxygenase. Considerable insight has been derived from the development and characterization of mouse models with conditional Por deletion in particular tissues or partial suppression of POR expression in all tissues. Additional mouse models with global or conditional hepatic deletion of cytochrome b5 are helping to clarify the P450 isoform- and substrate-specific influences of cytochrome b5 on P450 electron transfer and catalytic function.This symposium also considered studies using siRNA to suppress POR expression in a hepatoma cell culture model in order to explore the basis of the hepatic lipidosis phenotype observed in mice with conditional deletion of Por in liver. The symposium concluded with a strong translational perspective, relating the basic science of human POR structure-function to the impacts of POR genetic variation on human drug and steroid metabolism

Item Type: Article
Additional Information: PMID: 23086197
Subjects: C700 Molecular Biology, Biophysics and Biochemistry
Department: Faculties > Health and Life Sciences > School of Life Sciences > Applied Sciences
Depositing User: Linda Barlow
Date Deposited: 21 Dec 2012 14:31
Last Modified: 24 May 2017 11:08
URI: http://nrl.northumbria.ac.uk/id/eprint/10864

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