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The Prevalence of the Genetic Polymorphism of Gstm1, Gstt1 and Gstp1 and Its Relationship With Clinical Criteria of Multiple Sclerosis (Ms) Patients in Tehran



Aliomrani M1 ; Sahraeian MA2 ; Khoshayand MR3 ; Danesh Seta T1 ; Sharifzadeh M4 ; Ghahremani MH4
Authors
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Authors Affiliations
  1. 1. Department of Toxicology and Pharmacology, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Neurological Disorder, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Drug and Food Control, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Babol University of Medical Sciences Published:2019

Abstract

BACKGROUND AND OBJECTIVE: Multiple Sclerosis is the chronic inflammation of central nervous system with demyelinated lesions in the brain and spinal cord. The genetic polymorphisms associated with glutathione S-transferase enzymes involved in antioxidant defense in Iranian patients have not been investigated. Therefore, in the present study, the prevalence of the genetic polymorphism of glutathione S-transferase M1, P1 and T1 and its relationship with clinical criteria of MS patients with has been examined. METHODS: In this case-control study, 69 patients who referred to Sina Hospital in Tehran and had no panic attack within the last three months and 74 healthy subjects were interviewed. After examination by neurologist and blood sampling, DNA extraction was performed using Roche kit. Then, the genotypic variations of the samples were evaluated using RFLP-PCR and its prevalence was analyzed in relation with age, birth weight, malignancy (EDSS) and gender using GraphPad Prism software. FINDINGS: Most malignancies were observed in men (3.1±5.9) and the highest incidence rate was observed in those born in May (30%). Although the results of genotyping between the studied groups and their gender did not show any significant difference (OR: 2-4, p>0.05), patients with GSTM1 deficiency developed the disease at a lower age (32.8±2.6 years) compared with other patients (29.5±8.9 years) (CI-95%: 20.3–26.4, p=0.009). In addition, people with a rare GSTM1 allele who smoked cigarette had higher EDSS (CI-95%: 2.1–3.7, p=0.03). CONCLUSION: Based on the results of this study, the effect of GSTM1 on malignancy is indicative of its role in detoxification of tobacco products and can be used as an agent for early diagnosis of disease in people who are susceptible to this disease. © 2019, Babol University of Medical Sciences. All rights reserved.
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