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The focus of this review is the molecular genetics, including consensus NAT1 and NAT2 nomenclature, and cancer epidemiology of the NAT1 and NAT2 acetylation polymorphisms. Two N-acetyltransferase isozymes, NAT1 and NAT2, are polymorphic and catalyze both N-acetylation (usually deactivation) and O-acetylation (usually activation) of aromatic and heterocyclic(More)
N-acetyltransferases (EC 2.3.1.5) catalyze O-acetylation of heterocyclic amine carcinogens to DNA-reactive electrophiles that bind and mutate DNA. An acetylation polymorphism exists in humans and Syrian hamsters regulated by N-acetyltransferase-2 (NAT2) genotype. Some human epidemiological studies suggest a role for NAT2 phenotype in predisposition to(More)
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