Cytochrome P450s (P450s) are subject to inhibition/inactivation by various chemically diverse agents, which may interact directly or indirectly with either the P450 prosthetic heme or the protein moiety or with both moieties. This inhibition is clinically relevant, as it can block physiological pathways as well as result in therapeutically significant beneficial or adverse effects and clinically relevant drug–drug interactions. Herein, we discuss the various chemical agents and their chemical mechanisms that lead to such reversible, quasi-irreversible, or irreversible inhibition of these enzymes. We note that such inhibition targeted at P450-dependent physiological and/or pathological processes has been ingeniously and effectively harnessed not only in the design and development of clinically relevant therapeutic agents but also of fungicides, insecticides, and herbicides.
CITATION STYLE
Correia, M. A., & Hollenberg, P. F. (2015). Inhibition of cytochrome P450 enzymes. In Cytochrome P450: Structure, Mechanism, and Biochemistry, Fourth Edition (pp. 177–259). Springer International Publishing. https://doi.org/10.1007/978-3-319-12108-6_5
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