Association of nasopharyngeal cancer risk with genetic polymorphisms of drug-metabolizing enzyme genes GSTM1, GSTT1 and CYP1A1 (rs4646903 variant), in tobacco addicted patients of Pashtun ethnicity of Khyber Pakhtunkhwa Province of Pakistan.

Abstract excerpt

Associations of GSTM1, GSTT1 and CYP1A1 gene variants with risk of developing nasopharyngeal cancer were evaluated in this case-control study, in which 130 cases along with 151 population-based healthy controls of Pashtun ethnicity from Khyber Pakhtunkhwa province of Pakistan were recruited. Socio-demographic data were obtained and blood samples were collected with informed consent for analysis. Specific RT-PCR...

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