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Evaluation and Identification of Damaged Single Nucleotide Polymorphisms in COL1A1 Gene Involved in Osteoporosis

Overview
Journal Arch Med Sci
Specialty General Medicine
Date 2013 Nov 26
PMID 24273577
Citations 2
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Abstract

Introduction: Single-nucleotide polymorphisms (SNPs) are biomarkers for exploring the genetic basis of many complex human diseases. The prediction of SNPs is promising in modern genetic analysis but it is still a great challenge to identify the functional SNPs in a disease-related gene. The computational approach has overcome this challenge and an increase in the successful rate of genetic association studies and reduced cost of genotyping have been achieved. The objective of this study is to identify deleterious non-synonymous SNPs (nsSNPs) associated with the COL1A1 gene.

Material And Methods: The SNPs were retrieved from the Single Nucleotide Polymorphism Database (dbSNP). Using I-Mutant, protein stability change was calculated. The potentially functional nsSNPs and their effect on proteins were predicted by PolyPhen and SIFT respectively. FASTSNP was used for estimation of risk score.

Results: Our analysis revealed 247 SNPs as non-synonymous, out of which 5 nsSNPs were found to be least stable by I-Mutant 2.0 with a DDG value of > -1.0. Four nsSNPs, namely rs17853657, rs17857117, rs57377812 and rs1059454, showed a highly deleterious tolerance index score of 0.00 with a change in their physicochemical properties by the SIFT server. Seven nsSNPs, namely rs1059454, rs8179178, rs17853657, rs17857117, rs72656340, rs72656344 and rs72656351, were found to be probably damaging with a PSIC score difference between 2.0 and 3.5 by the PolyPhen server. Three nsSNPs, namely rs1059454, rs17853657 and rs17857117, were found to be highly polymorphic with a risk score of 3-4 with a possible effect of non-conservative change and splicing regulation by FASTSNP.

Conclusions: Three nsSNPs, namely rs1059454, rs17853657 and rs17857117, are potential functional polymorphisms that are likely to have a functional impact on the COL1A1 gene.

Citing Articles

Comprehensive Computational Analysis of Protein Phenotype Changes Due to Plausible Deleterious Variants of Human SPTLC1 Gene.

Sadaf T, John P, Bhatti A Int J Mol Cell Med. 2020; 8(1):67-84.

PMID: 32195206 PMC: 7073263. DOI: 10.22088/IJMCM.BUMS.8.1.67.


Association of insulin-like growth factor I gene polymorphisms with the risk of osteoporosis in a Chinese population.

Fan Y, Zhang S, Liang F, Zhou Y Int J Clin Exp Pathol. 2020; 10(8):8443-8451.

PMID: 31966696 PMC: 6965436.

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