Abstract
Oxidative stress plays a crucial role in the pathogenesis of multiple sclerosis (MS). Previous studies have shown that oxidative stress is one of the main underlying mechanisms of arsenic-induced cellular damage. The aim of this study was to assess the serum levels of arsenic and its relationship with lipid peroxidation in MS patients from Tabriz, as the third polluted city of Iran. The study population included 38 MS female patients and 38 age-matched healthy controls. Serum malondialdehyde (MDA) and arsenic levels were measured using thiobarbituric acid reactive substances (TBARS) assay and electrothermal atomic absorption spectrometry, respectively. The results showed that the arsenic (P < 0.01) and MDA (P = 0.03) levels were significantly higher in patients with MS than those in control. Moreover, serum levels of arsenic and MDA were positively correlated in MS patients. The elevated levels of serum arsenic might explain the increased oxidative stress in MS patients. We suggest that high arsenic levels in serum may lead to MS development, and therefore, exposure to this metal should be limited.
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Acknowledgments
The authors wish to thank the Students’ Research Committee, Tabriz University of Medical Sciences for financial support. We also thank the staff of research laboratory in chemistry faculty for their technical supports.
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The authors have no conflicts of interest in regard to this research or its funding.
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Yousefi, B., Ahmadi, Y., Ghorbanihaghjo, A. et al. Serum Arsenic and Lipid Peroxidation Levels in Patients with Multiple Sclerosis. Biol Trace Elem Res 158, 276–279 (2014). https://doi.org/10.1007/s12011-014-9956-0
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DOI: https://doi.org/10.1007/s12011-014-9956-0