期刊
JOURNAL OF THE NEUROLOGICAL SCIENCES
卷 334, 期 1-2, 页码 6-9出版社
ELSEVIER
DOI: 10.1016/j.jns.2013.07.001
关键词
Glutathione S-transferase T1; Glutathione S-transferase M1; Antioxidant defense; Gene polymorphism; Deletion; Multiple sclerosis
资金
- Serbian Government Research Grant [OI175085]
Background: Multiple sclerosis (MS) occurs as a result of interaction between genetic and environmental factors. Recent data support the view that oxidative damage is one of an early event in MS tissue injury. The safe elimination of reactive oxygen species and toxins via glutathione S-transferase (GST) pathways is required in order to protect cells against reactive oxygen-induced damage. The aim of our study was to analyze the possible association of GSTM1 and GSTT1 gene polymorphisms with the susceptibility and clinical parameters of MS, in 455 consecutive patients and 366 controls. Methods: A multiplex polymerase chain reaction (PCR) was used to detect the deletions in GSTM1 and GSTT1 genes. Results: Patients with MS had significantly higher frequency of GSTT1 null genotype compared to controls (37.36% vs. 21.86%, respectively, p < 0.0001, adjusted OR 2.13 (1.56-2.90)), as well as double deletions (15.38% vs. 10.38%, respectively, p < 0.05). The carriers of GSTM1 deletion had significantly earlier onset of MS compared to the wild-type carriers (28.31 +/- 8.45 vs. 30.64 +/- 9.30 years, respectively, p = 0.03). Conclusion: This study suggests the potential pathogenic role of GSTT1 deletion on MS susceptibility. There are no similar data published so far, yet this study should be replicated in other populations. (C) 2013 Elsevier B.V. All rights reserved.
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