Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction

<p>Abstract</p> <p>Background</p> <p>MicroRNAs(miRNAs) are important cellular components and their dysfunction is associated with various diseases. Acute myocardial infarction (AMI) is one of the most serious cardiovascular diseases. Although several miRNAs are reported...

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Main Authors: Guo Yanhong, Shi Bing, Wang Juan, Gao Wei
Format: Article
Language:English
Published: BMC 2010-03-01
Series:BMC Cardiovascular Disorders
Online Access:http://www.biomedcentral.com/1471-2261/10/11
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author Guo Yanhong
Shi Bing
Wang Juan
Gao Wei
author_facet Guo Yanhong
Shi Bing
Wang Juan
Gao Wei
author_sort Guo Yanhong
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>MicroRNAs(miRNAs) are important cellular components and their dysfunction is associated with various diseases. Acute myocardial infarction (AMI) is one of the most serious cardiovascular diseases. Although several miRNAs are reported to be associated with AMI, more novel miRNAs are needed to further investigate and improve certainty</p> <p>Methods</p> <p>We applied a well-established acute myocardial infarction rat model and performed miRNAs microarray experiments upon the myocardium tissue of rats with AMI and under sham control. We identified the differentially expressed miRNAs and analyzed the function of miRNA targets, transcription factors, and host genes based on bioinformatics.</p> <p>Results</p> <p>As a result, the levels of expression of seventeen miRNAs significantly deregulated, of which four miRNAs were further validated by qRT-PCR. In addition, we observed that the transcription factors, targets, and host genes of these deregulated miRNAs are enriched in cardiovascular-related functions.</p> <p>Conclusion</p> <p>We found that the miRNAs expression level altered in rats with AMI and differentially expressed miRNAs may be novel biomarkers of AMI.</p>
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spelling doaj.art-0d36ef405a9a4863930a4a1846670f0a2022-12-21T21:19:48ZengBMCBMC Cardiovascular Disorders1471-22612010-03-011011110.1186/1471-2261-10-11Altered expression of microRNAs in the myocardium of rats with acute myocardial infarctionGuo YanhongShi BingWang JuanGao Wei<p>Abstract</p> <p>Background</p> <p>MicroRNAs(miRNAs) are important cellular components and their dysfunction is associated with various diseases. Acute myocardial infarction (AMI) is one of the most serious cardiovascular diseases. Although several miRNAs are reported to be associated with AMI, more novel miRNAs are needed to further investigate and improve certainty</p> <p>Methods</p> <p>We applied a well-established acute myocardial infarction rat model and performed miRNAs microarray experiments upon the myocardium tissue of rats with AMI and under sham control. We identified the differentially expressed miRNAs and analyzed the function of miRNA targets, transcription factors, and host genes based on bioinformatics.</p> <p>Results</p> <p>As a result, the levels of expression of seventeen miRNAs significantly deregulated, of which four miRNAs were further validated by qRT-PCR. In addition, we observed that the transcription factors, targets, and host genes of these deregulated miRNAs are enriched in cardiovascular-related functions.</p> <p>Conclusion</p> <p>We found that the miRNAs expression level altered in rats with AMI and differentially expressed miRNAs may be novel biomarkers of AMI.</p>http://www.biomedcentral.com/1471-2261/10/11
spellingShingle Guo Yanhong
Shi Bing
Wang Juan
Gao Wei
Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction
BMC Cardiovascular Disorders
title Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction
title_full Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction
title_fullStr Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction
title_full_unstemmed Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction
title_short Altered expression of microRNAs in the myocardium of rats with acute myocardial infarction
title_sort altered expression of micrornas in the myocardium of rats with acute myocardial infarction
url http://www.biomedcentral.com/1471-2261/10/11
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AT shibing alteredexpressionofmicrornasinthemyocardiumofratswithacutemyocardialinfarction
AT wangjuan alteredexpressionofmicrornasinthemyocardiumofratswithacutemyocardialinfarction
AT gaowei alteredexpressionofmicrornasinthemyocardiumofratswithacutemyocardialinfarction