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DNA methylation-related vitamin D receptor low expression in multiple sclerosis

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Year: 2014
COI code: CIGS13_1186
Paper Language: English

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Authors DNA methylation-related vitamin D receptor low expression in multiple sclerosis

  Sepideh Jahangiry - Tarbiat Modares University, Tehran, IRAN
  Mehrdad Behmanesh - Tarbiat Modares University, Tehran, IRAN
  Zeinab Shirvani Farsani - Tarbiat Modares University, Tehran, IRAN

Abstract:

Multiple Sclerosis (MS) is a neurodegenerative autoimmune disease characterized by recurrent episodes of demyelination and axonal injury mediated primarily by CD4+ T-helper cells with a pro inflammatory Th1 phenotype, macrophages, and soluble mediators of inflammation. Calcitriol (1α, 25(OH)2-Vitamin D3) binds to the vitamin D receptor (VDR) andregulates differentiation of the immune cells, and may therefore be useful in the treatment of autoimmune diseases as animmunomoderator drug. Vitamin D3 clinically used to moderate patient's symptoms. But in some patients no clinicalimprovement had been observed any more. Nowadays, scientists' attention is focused on epigenetic alteration such as differences in CpG dinucleotide methylation of some disorders like Arthritis Rheumatoid, Lupus Erythematous, different type of cancers and so. VDR binds to Vit D3 and RXR (Retinoic acid receptor) and this heterodimer binds to VDRE (VDR Element) upstream of target genes. The aim of the study was to determine whether is the VDR promoter methylation cause of its low expression in those group that doesn't respond to Vit D3 therapy or not. So we used bisulfite converted DNA, which extracted from 15 cases of twogroups –which respond and doesn't respond to Vit D3- and converted by ZymoResearch bisulfite conversion kit, andspecific primers for three potential regions of the VDR CpG island to perform Methylation Specific High Resolution Melting analysis (MS-HRM). Our analysis shown different pattern between two groups. Further, our data confirmed by DNA sequencing

Keywords:

Multiple Sclerosis, Epigenetics, promoter methylation, Vitamin D Receptor

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COI code: CIGS13_1186

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Jahangiry, Sepideh; Mehrdad Behmanesh & Zeinab Shirvani Farsani, 2014, DNA methylation-related vitamin D receptor low expression in multiple sclerosis, 12th Congress of Iranian Genetics Society, تهران, انجمن ژنتيك ايران, https://www.civilica.com/Paper-CIGS13-CIGS13_1186.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Jahangiry, Sepideh; Mehrdad Behmanesh & Zeinab Shirvani Farsani, 2014)
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Type: state university
Paper No.: 25939
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