Association of Genetic Polymorphisms in GSTP1, GSTM1, and GSTT1 Genes with Vesicoureteral Reflux Susceptibility in the Children of Southeast Iran

  • Sima Shahrokhzadeh Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran
  • Azam Soleimani Legal Medicine Research Center, Legal Medicine Organization, Tehran, Iran
  • Dor-Mohammad Kordi-Tamandani Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran
  • Mohammad Hossein Sangtarash Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran
  • Omid Nejati Department of Paramedics, Mashhad Medical Sciences Branch, Islamic Azad University, Mashhad, Iran
  • Mohsen Taheri Genetics of Non-Communicable Diseases Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
Vesicoureteral reflux;, Genetic susceptibility;, Glutathione S-transferase;, Genetic polymorphisms



Background: Vesicoureteral reflux (VUR) disease is the most common type of urinary tract anomalies in children. Genetic risk factors may be associated with the etiology of VUR.  The role of the Glutathione S‑transferases (GSTs) as multifunctional enzymes is cellular oxidative stress handling. This is the first study aimed at evaluating the relative risk of GSTP1, GSTM1, and GSTT1 polymorphisms in VUR susceptibility in children and provides new important insights into the genetics of affected children.

Methods: The study was done in 2013 in Sistan and Baluchestan University, eastern Iran. Genotyping of three GSTP1, GSTM1, and GSTT1 genes were determined using the multiplex polymerase chain reaction assay in 216 reactions for 72 VUR children and 312 reactions for 104 healthy controls.

Results: The presence of GSTT1 deletion was associated with high risk of VUR in children, whereas GSTP1 and GSTM1 genotypes did not show the same effect. Furthermore, the combination of GSTT1/GSTM1 and GSTT1/ GSTP1 genotypes showed a significant influence on lower risk of VUR in children.

Conclusion: Deletion of GSTT1 functional gene is a genetic risk factor causing VUR in children. Interestingly, the combination of GSTM1 and GSTP1 null genotypes with GSTT1 has shown a protective role against risk of GSTT1 deletion.



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How to Cite
Shahrokhzadeh S, Soleimani A, Kordi-Tamandani D-M, Sangtarash MH, Nejati O, Taheri M. Association of Genetic Polymorphisms in GSTP1, GSTM1, and GSTT1 Genes with Vesicoureteral Reflux Susceptibility in the Children of Southeast Iran. Iran J Public Health. 49(7):1364-1371.
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