Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.

MicroRNAs (miRNAs) are small noncoding RNA that play an important role in posttranscriptional regulation of mRNA. Genetic variations in miRNAs or their target sites have been shown to alter miRNA function and have been associated with risk for several diseases. Previous studies have focused on the m...

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Main Authors: Anindya Bhattacharya, Jesse D Ziebarth, Yan Cui
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2012-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3457991?pdf=render
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author Anindya Bhattacharya
Jesse D Ziebarth
Yan Cui
author_facet Anindya Bhattacharya
Jesse D Ziebarth
Yan Cui
author_sort Anindya Bhattacharya
collection DOAJ
description MicroRNAs (miRNAs) are small noncoding RNA that play an important role in posttranscriptional regulation of mRNA. Genetic variations in miRNAs or their target sites have been shown to alter miRNA function and have been associated with risk for several diseases. Previous studies have focused on the most abundant type of genetic variations, single nucleotide polymorphisms (SNPs) that affect miRNA-mRNA interactions. Here, we systematically identified small insertions and deletions (indels) in miRNAs and their target sites, and investigated the effects of indels on miRNA targeting. We studied the distribution of indels in miRNAs and their target sites and found that indels in mature miRNAs, experimentally supported miRNA target sites and PAR-CLIP footprints have significantly lower density compared to flanking regions. We identified over 20 indels in the seed regions of miRNAs, which may disrupt the interactions between these miRNAs and their target genes. We also identified hundreds of indels that alter experimentally supported miRNA target sites. We mapped these genes to human disease pathways to identify indels that affect miRNA targeting in these pathways. We also used the results of genome-wide association studies (GWAS) to identify potential links between miRNA-related indels and diseases.
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spelling doaj.art-a2b28a9f97a744dbad1a5ca8d49088ab2022-12-22T01:31:00ZengPublic Library of Science (PLoS)PLoS ONE1932-62032012-01-0179e4617610.1371/journal.pone.0046176Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.Anindya BhattacharyaJesse D ZiebarthYan CuiMicroRNAs (miRNAs) are small noncoding RNA that play an important role in posttranscriptional regulation of mRNA. Genetic variations in miRNAs or their target sites have been shown to alter miRNA function and have been associated with risk for several diseases. Previous studies have focused on the most abundant type of genetic variations, single nucleotide polymorphisms (SNPs) that affect miRNA-mRNA interactions. Here, we systematically identified small insertions and deletions (indels) in miRNAs and their target sites, and investigated the effects of indels on miRNA targeting. We studied the distribution of indels in miRNAs and their target sites and found that indels in mature miRNAs, experimentally supported miRNA target sites and PAR-CLIP footprints have significantly lower density compared to flanking regions. We identified over 20 indels in the seed regions of miRNAs, which may disrupt the interactions between these miRNAs and their target genes. We also identified hundreds of indels that alter experimentally supported miRNA target sites. We mapped these genes to human disease pathways to identify indels that affect miRNA targeting in these pathways. We also used the results of genome-wide association studies (GWAS) to identify potential links between miRNA-related indels and diseases.http://europepmc.org/articles/PMC3457991?pdf=render
spellingShingle Anindya Bhattacharya
Jesse D Ziebarth
Yan Cui
Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.
PLoS ONE
title Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.
title_full Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.
title_fullStr Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.
title_full_unstemmed Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.
title_short Systematic analysis of microRNA targeting impacted by small insertions and deletions in human genome.
title_sort systematic analysis of microrna targeting impacted by small insertions and deletions in human genome
url http://europepmc.org/articles/PMC3457991?pdf=render
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