Cytochrome P450 Enzymes and Drug Metabolism in Humans

细胞色素P450 药物代谢 药品 生物 药物作用 表观遗传学 戒毒(替代医学) 药理学 新陈代谢 生物化学 基因 医学 病理 替代医学
作者
Mingzhe Zhao,Jingsong Ma,Mo Li,Yingtian Zhang,Bixuan Jiang,Xianglong Zhao,Cong Huai,Lu Shen,Na Zhang,Lin He,Shengying Qin
出处
期刊:International Journal of Molecular Sciences [MDPI AG]
卷期号:22 (23): 12808-12808 被引量:350
标识
DOI:10.3390/ijms222312808
摘要

Human cytochrome P450 (CYP) enzymes, as membrane-bound hemoproteins, play important roles in the detoxification of drugs, cellular metabolism, and homeostasis. In humans, almost 80% of oxidative metabolism and approximately 50% of the overall elimination of common clinical drugs can be attributed to one or more of the various CYPs, from the CYP families 1-3. In addition to the basic metabolic effects for elimination, CYPs are also capable of affecting drug responses by influencing drug action, safety, bioavailability, and drug resistance through metabolism, in both metabolic organs and local sites of action. Structures of CYPs have recently provided new insights into both understanding the mechanisms of drug metabolism and exploiting CYPs as drug targets. Genetic polymorphisms and epigenetic changes in CYP genes and environmental factors may be responsible for interethnic and interindividual variations in the therapeutic efficacy of drugs. In this review, we summarize and highlight the structural knowledge about CYPs and the major CYPs in drug metabolism. Additionally, genetic and epigenetic factors, as well as several intrinsic and extrinsic factors that contribute to interindividual variation in drug response are also reviewed, to reveal the multifarious and important roles of CYP-mediated metabolism and elimination in drug therapy.
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