ASSOCIATION OF XENOBIOTIC GENETIC VARIANTS WITH OXIDATIVE STRESS IN TYPE 2 DIABETES MELLITUS
Dr. R. Dhananjayan*
ABSTRACT
Xenobiotics are defined as any foreign substances or exogenous chemicals which the body does not recognize such as drugs, pollutants, as well as some food additives and cosmetics. The body removes xenobiotics by xenobiotic metabolism. This consists of the deactivation and the excretion of xenobiotic and happens mostly in the liver. Hepatic Microsomal Cytochrome P450 is a group of enzymes involve in xenobiotic metabolism. The increased oxidative stress is one of the main factors in the etiology and complications of Diabetes Mellitus. Three of the GST (glutathione-S-transferase) genes, GSTM1, GSTT1 and GSTP1 have been found to have functional polymorphisms that are frequently present in the general population. GSTM1 and GSTT1 polymorphisms are the most common polymorphisms of GST enzymes in the human population with major ethnic differences. In our study, among two xenobiotic genetic variants GSTT1 and GSTM1, no association of GSTT1 was found, but the variant GSTM1 was found to be risk in Type 2 Diabetes Mellitus.
Keywords: Xenobiotics, GST genes, Type 2 Diabetes Mellitus.
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