Drug Metabolism and Personalized Therapy
Official journal of the European Society of Pharmacogenomics and Personalised Therapy
Editor-in-Chief: Llerena, Adrián
Editorial Board Member: Chen, Bing / Dahl, Marja-Liisa / Devinsky, Ferdinand / Hirata, Rosario / Hubacek, Jaroslav A. / Ingelman-Sundberg, Magnus / Maitland-van der Zee, Anke-Hilse / Manolopoulos, Vangelis G. / Marc, Janja / Melichar, Bohuslav / Meyer, Urs A. / Nair, Sujit / Nofziger, Charity / Peiro, Ana / Sadee, Wolfgang / Salazar, Luis A. / Simmaco, Maurizio / Turpeinen, Miia / Schaik, Ron / Shin, Jae-Gook / Visvikis-Siest, Sophie / Zanger, Ulrich M.
4 Issues per year
CiteScore 2016: 1.40
SCImago Journal Rank (SJR) 2016: 0.413
Source Normalized Impact per Paper (SNIP) 2016: 0.537
CYP2A6: genetics, structure, regulation, and function
The human CYP2A gene subfamily consists of three members, CYP2A6, CYP2A7, and CYP2A13. The CYP2A6 gene is highly polymorphic with approximately 40 annotated allelic variants. Individuals homozygous for some of these alleles have a total lack of CYP2A6 activity. The CYP2A6 protein is most abundant in liver and is expressed, although at much lower levels, in some other tissues, especially nasal mucosa. CYP2A6 differs from other human liver CYP forms in that it participates in the metabolism of very few currently used drugs. The two most relevant substrates for CYP2A6 are coumarin and nicotine. Coumarin is the marker substance for determining CYP2A6 activity both in vitro and in vivo. Approximately 80% of a nicotine dose is eliminated by CYP2A6, and there is a clear link between CYP2A6 genotypes, smoking behavior, and lung cancer risk.
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