Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene

Abstract The CTLA4 receptor is an immune checkpoint involved in the downregulation of T cells. Polymorphisms in this gene have been found to be associated with different diseases like rheumatoid arthritis, autosomal dominant immune dysregulation syndrome, juvenile idiopathic arthritis and autoimmune...

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Main Authors: Muhammad Irfan, Talha Iqbal, Sakina Hashmi, Uzma Ghani, Attya Bhatti
Format: Article
Language:English
Published: Nature Portfolio 2022-11-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-24699-0
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author Muhammad Irfan
Talha Iqbal
Sakina Hashmi
Uzma Ghani
Attya Bhatti
author_facet Muhammad Irfan
Talha Iqbal
Sakina Hashmi
Uzma Ghani
Attya Bhatti
author_sort Muhammad Irfan
collection DOAJ
description Abstract The CTLA4 receptor is an immune checkpoint involved in the downregulation of T cells. Polymorphisms in this gene have been found to be associated with different diseases like rheumatoid arthritis, autosomal dominant immune dysregulation syndrome, juvenile idiopathic arthritis and autoimmune Addison's disease. Therefore, the identification of polymorphisms that have an effect on the structure and function of CTLA4 gene is important. Here we identified the most damaging missense or non-synonymous SNPs (nsSNPs) that might be crucial for the structure and function of CTLA4 using different bioinformatics tools. These in silico tools included SIFT, PROVEAN, PhD-SNP, PolyPhen-2 followed by MutPred2, I-Mutant 2.0 and ConSurf. The protein structures were predicted using Phyre2 and I-TASSER, while the gene–gene interactions were predicted by GeneMANIA and STRING. Our study identified three damaging missense SNPs rs1553657429, rs1559591863 and rs778534474 in coding region of CTLA4 gene. Among these SNPs the rs1553657429 showed a loss of potential phosphorylation site and was found to be highly conserved. The prediction of gene–gene interaction showed the interaction of CTlA4 with other genes and its importance in different pathways. This investigation of damaging nsSNPs can be considered in future while studying CTLA4 related diseases and can be of great importance in precision medicine.
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spelling doaj.art-27841c52068c4b6295afab257fbcf5e02022-12-22T04:17:28ZengNature PortfolioScientific Reports2045-23222022-11-0112111110.1038/s41598-022-24699-0Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 geneMuhammad Irfan0Talha Iqbal1Sakina Hashmi2Uzma Ghani3Attya Bhatti4Healthcare Biotechnology, National University of Science and TechnologyHealthcare Biotechnology, National University of Science and TechnologyHealthcare Biotechnology, National University of Science and TechnologyHealthcare Biotechnology, National University of Science and TechnologyHealthcare Biotechnology, National University of Science and TechnologyAbstract The CTLA4 receptor is an immune checkpoint involved in the downregulation of T cells. Polymorphisms in this gene have been found to be associated with different diseases like rheumatoid arthritis, autosomal dominant immune dysregulation syndrome, juvenile idiopathic arthritis and autoimmune Addison's disease. Therefore, the identification of polymorphisms that have an effect on the structure and function of CTLA4 gene is important. Here we identified the most damaging missense or non-synonymous SNPs (nsSNPs) that might be crucial for the structure and function of CTLA4 using different bioinformatics tools. These in silico tools included SIFT, PROVEAN, PhD-SNP, PolyPhen-2 followed by MutPred2, I-Mutant 2.0 and ConSurf. The protein structures were predicted using Phyre2 and I-TASSER, while the gene–gene interactions were predicted by GeneMANIA and STRING. Our study identified three damaging missense SNPs rs1553657429, rs1559591863 and rs778534474 in coding region of CTLA4 gene. Among these SNPs the rs1553657429 showed a loss of potential phosphorylation site and was found to be highly conserved. The prediction of gene–gene interaction showed the interaction of CTlA4 with other genes and its importance in different pathways. This investigation of damaging nsSNPs can be considered in future while studying CTLA4 related diseases and can be of great importance in precision medicine.https://doi.org/10.1038/s41598-022-24699-0
spellingShingle Muhammad Irfan
Talha Iqbal
Sakina Hashmi
Uzma Ghani
Attya Bhatti
Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene
Scientific Reports
title Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene
title_full Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene
title_fullStr Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene
title_full_unstemmed Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene
title_short Insilico prediction and functional analysis of nonsynonymous SNPs in human CTLA4 gene
title_sort insilico prediction and functional analysis of nonsynonymous snps in human ctla4 gene
url https://doi.org/10.1038/s41598-022-24699-0
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AT sakinahashmi insilicopredictionandfunctionalanalysisofnonsynonymoussnpsinhumanctla4gene
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