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Curr Top Med Chem. 2013;13(12):1441-53.

Extra-hepatic isozymes from the CYP1 and CYP2 families as potential chemotherapeutic targets.

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Department of Medicinal Chemistry, School of Pharmacy, University of Washington, Box 357610, Seattle, WA 98195-7610, USA.


Cytochrome P450 isozymes (CYPs) from the CYP1 and CYP2 families located primarily in extra-hepatic tissues represent ideal candidates for chemotherapeutic drug development because: 1.) They are usually involved in the metabolism of endogenous substrates that are important for cell homeostasis and growth 2.) The over-expression of certain CYPs has been reported in various malignancies 3.) There has been much clinical success with inhibitors of CYPs involved in hormone synthesis. The most ideal candidates for chemotherapeutic drug development will be discussed in terms of their biological importance and relevant substrates. This review will focus on: 1.) CYP1A1 and CYP1B1 from the CYP1 family because of the dual role these enzymes play in the bioactivation of known carcinogens and endogenous compounds. 2.) The targeting of CYPs in hypoxic environments as a therapeutic strategy. 3.) CYP2J2 and its role in the metabolism of arachidonic acid to epoxyeicosatrienoic acids and angiogenesis will also be examined. While much progress has been made towards understanding the role of CYPs in extrahepatic tissue, future studies focused on the development of selective inhibitors coupled with appropriate delivery systems that would target the tumor micro-environments could lead to significant advancement in chemotherapeutic strategies.

[Indexed for MEDLINE]

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