The missense genetic polymorphisms of human CYP2A13: functional significance in carcinogen activation and identification of a null allelic variant.


Cytochrome P450 2A13 (CYP2A13), an enzyme predominantly expressed in human respiratory tissues, is highly efficient for the metabolic activation of two suspected human lung carcinogens 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and aflatoxin B1 (AFB1). Functional genetic polymorphisms of CYP2A13 may therefore be an important factor in human… (More)


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