Genetic diversity in drug metabolism and disposition is mainly considered as the outcome of the inter-individual genetic variation in polymorphism of drug-xenobiotic metabolizing enzyme (XME). Among the XMEs. glutathione-S-transferases (GST) gene loci are an important candidate for the investigation of diversity in allele frequency. as the deletion mutations in GST M1 and T1 genotypes... https://www.hindigyanvishv.com/