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Glutathione S-transferase M1 polymorphism and primary open-angle glaucoma (POAG) in a Chinese population

Jiyun Gao, Dabo Wang, Peng Liu, Xiaojing Pan, Teng Sun

Primary Open-Angle Glaucoma (POAG) is a leading cause of irreversible blinding disease. We conducted this case-control study to assess the association between GSTM1 null polymorphism and POAG risk in Chinese. Unrelated 323 adult-onset POAG patients and 295 control subjects were recruited. We found that patients carrying the GSTM1 null genotype had increased risk of POAG (OR=1.80, 95% CI 1.25-2.54, P=0.002). No statistically significantly association was found between GSTM1 polymorphism and smoking status. However, GSTM1 polymorphism was significantly associated with diabetes mellitus in patients. In conclusion, the GSTM1 polymorphism was significantly associated with the risk of POAG.