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         Research article         Vitamin D receptor gene polymorphisms in multiple sclerosis disease: A case-control study 
 
            
			Suat Cakina, Ozgul Ocak, Adile Ozkan, Selma Yucel, Handan Isin Ozisik Karaman            
             
   
          			 Abstract: Multiple sclerosis (MS) is a common neurologic disorder that is a chronic inflammatory, demyelinating, and neurodegenerative disease of the central nervous system (CNS). Its etiology remains unknown. Several recent studies have found that decreased susceptibility to vitamin D deficiency is also associated with a decreased risk of MS. The role of vitamin D receptor (VDR) gene and its polymorphisms are highlighted as susceptible components. In this study, we aimed to identify the relationship between ApaI (rs7975232), BsmI (rs 1544410), and TaqI (rs731236) gene polymorphisms with MS. ApaI, BsmI, and TaqI genotypes were determined in 70 patients with MS and in 70 control subjects. DNA was isolated from blood samples, and then ApaI, BsmI and TaqI gene polymorphisms were identified using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. The distribution of BsmI and TaqI polymorphisms did not show any significant differences in MS patients and controls; however, increased A allele of ApaI polymorphism was found in MS patients. Our findings suggest that the ApaI gene polymorphism might be associated with MS. Investigation of a larger population and functional work on these gene structures and function in MS patients are recommended. 
          Keywords: multiple sclerosis, vitamin D, vitamin D receptor (VDR) gene polymorphism          
          
                     
		  Received: 5.3.2018Accepted: 10.7.2018
 Published: 22.7.2018
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            Cakina S, Ocak O, Ozkan A, Yucel S, Karaman HIO. Vitamin D receptor gene polymorphisms in multiple sclerosis disease: A case-control study. Rev Romana Med Lab. 2018;26(4):489-95. DOI:10.2478/rrlm-2018-0028             |