Computational DIO2 rSNP Analysis, Transcriptional Factor Binding Sites and Disease
Journal Title: Journal of Advances in Medicine and Medical Research - Year 2015, Vol 9, Issue 4
Abstract
Purpose: The DIO2 gene transcribes the deiodinase type 2 enzyme that changes the thyroid prohormone, thyroxine (T4), to the biologically active triiodothyronine (T3) hormone. T3 plays a vital part in the regulation of energy balance and glucose metabolism. DIO2 single-nucleotide polymorphisms (SNPs) were computationally examined with respect to changes in punitive transcriptional factor binding sites (TFBS) and these changes were discussed in relation to human disease. Methods: The JASPAR CORE and ConSite databases were instrumental in identifying the TFBS. The Vector NTI Advance 11.5 computer program was employed in locating all the TFBS in the DIO2 gene from 2.4 kb upstream of the transcriptional start site to 508 bp past the 3’UTR. The JASPAR CORE database was also involved in computing each nucleotide occurrence (%) within the TFBS. Results: Regulatory SNPs (rSNPs) in the promoter region novel SNP (-2035bp), 5’UTR (rs12885300), intron one (rs225010, 225011 and rs225012), exon two [rs225014 (Thr92Ala)] and 3’ UTR (rs6574549, rs225015 and rs225017) of the DIO2 gene are in linkage disequilibrium. These rSNP alleles were found to alter the DNA landscape for potential transcriptional factors (TFs) to attach resulting in changes in TFBS. Conclusion: The alleles of each rSNP were found to generate unique TFBS resulting in potential changes in TF DIO2 regulation. These regulatory changes were discussed with respect to changes in human health resulting in disease or sickness.
Authors and Affiliations
Norman E. Buroker
Keywords
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- EP ID EP347653
- DOI 10.9734/BJMMR/2015/18535
- Views 60
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