Glutathione S-Transferase T1 and M1 Polymorphisms and Risk of Uterine Cervical Lesions in Women from Central Serbia

  • Stosic, Ivana (Faculty of Science, University of Kragujevac) ;
  • Grujicic, Darko (Faculty of Science, University of Kragujevac) ;
  • Arsenijevic, Slobodan (Faculty of Medical Sciences, University of Kragujevac) ;
  • Brkic, Marija (Department of Obstetrics and Gynecology, Clinical Center Kragujevac) ;
  • Milosevic-Djordjevic, Olivera (Faculty of Science, University of Kragujevac)
  • Published : 2014.04.01


The aim of this study was to investigate the frequencies of GSTT1 and GSTM1 deletion polymorphisms in newly-diagnosed patients with uterine cervical lesions from central Serbia. Polymorphisms of GST genes were genotyped in 97 patients with cervical lesions and 50 healthy women using a multiplex polymerase chain reaction (PCR). The GSTM1 null genotype was significantly more prominent among the patients than in controls (74.2% vs 56.0%), the risk associated with lesions being almost 2.3-fold increased (OR=2.26, 95%CI=1.10-4.65, p=0.03) and 3.17-fold higher in patients above >45 years old (95%CI=1.02-9.79, p=0.04). The analysis of the two genotypes demonstrated that GSTM1 null genotype significantly increased risk only for low grade squamous intraepithelial lesion-LSIL (OR=2.81, 95%CI=1.03-7.68, p=0.04). GSTT1 null genotype or different genotype combinations were not found to be risk factors, irrespective to lesion stages, age or smoking. We found that the risk of cervical lesions might be significantly related to the GSTM1 null genotype, especially in women aged above 45 years. Furthermore, the GSTM1 polymorphism might have greater role in development of early stage lesions.


Cervical lesions;polymorphism;glutathione S;transferase T1;glutathione S;transferase M1


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