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Effects of Genetic Polymorphism on Susceptibility to Nephrotoxic Properties of Btexs Compounds Publisher Pubmed



Neghab M1 ; Nourozi MA2 ; Shahtaheri SJ3, 7 ; Mansoori Y4 ; Bazzaz JT5 ; Nedjat S6
Authors
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Authors Affiliations
  1. 1. Research Center for Health Sciences, Institute of Health, Department of Occupational Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
  2. 2. Department of Occupational Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Occupational Health Engineering, School of Public Health, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Noncommunicable Diseases Research Center, Department of Medical Genetics, Fasa University of Medical Sciences, Fasa, Iran
  5. 5. Department of Medical Genetics, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Epidemiology and Biostatistics, School of Public Health, Knowledge Utilization Research Center (KURC), Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Tehran University of Medical Sciences, Tehran, 1417613151, Iran

Source: Journal of Occupational and Environmental Medicine Published:2018


Abstract

Objective: The aim of this study was to ascertain whether genetic polymorphism affects susceptibility of individuals to nephrotoxic potentials of benzene, toluene, ethyl-benzene, and xylenes (BTEXs). Methods: Fifty BTEXs exposed workers with one or more abnormal parameter of kidney function and 232 referent subjects, with similar exposure history, free from any abnormal kidney parameters were investigated. Atmospheric concentrations of BTEXs were measured. In addition, genetic polymorphisms were determined by multiplex polymerase chain reaction (PCR) and PCR-restriction fragment length polymorphism (RFLP). Results: The frequencies of GSTP1 Ile-Val/Val-Val, null GSTT1, and null GSTT1/GSTM1 genotypes and mean values of blood urea nitrogen and plasma creatinine were significantly higher, while average glomerular filtration rate was significantly lower in cases than in referent subjects. Conclusion: These findings indicate that individuals carrying null GSTT1 or null GSTT1/GSTM1 are more susceptible to nephrotoxic properties of BTEXs compounds. Copyright ß 2018 American College of Occupational and Environmental Medicine
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