| MicroRNA microarray expression profiling in human myocardial infarction. | |
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MedLine Citation:
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PMID: 20075508 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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MicroRNAs (miRNAs), small non-coding RNA molecules, are negative regulators of gene expression. Recent studies have indicated their role in various forms of cardiovascular disease. In spite of the number of miRNA microarray analyses performed, little is known about the genome-wide miRNA expression pattern in human myocardial infarction (MI).Using miRNA microarrays and bioinformatic analysis, miRNA expression was analyzed on human MI and foetal hearts compared to healthy adult hearts, to determine whether there is any similar expression pattern between MI and foetal hearts, and to identified miRNAs that have not previously been described as dysregulated in cardiovascular diseases. Of 719 miRNAs analyzed, approximately 50% were expressed in human hearts, 77 miRNAs were absent from all tested tissues and 57 were confidently dysregulated in at least one tested group. Some expression patterns appeared to be similar in MI and foetal hearts. Bioinformatic analysis revealed 10 miRNAs as dysregulated in MI not yet related to cardiovascular disease, and 5 miRNAs previously described only in animal models of cardiovascular diseases. Finally, qRT-PCR analysis confirmed dysregulation of 7 miRNAs, miR-150, miR-186, miR-210, miR-451, and muscle-specific, miR-1 and miR-133a/b; all of these are believed to be involved in various physiological and pathological processes. |
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Authors:
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Emanuela Bostjancic; Nina Zidar; Damjan Glavac |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Disease markers Volume: 27 ISSN: 1875-8630 ISO Abbreviation: Dis. Markers Publication Date: 2009 |
Date Detail:
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Created Date: 2010-01-15 Completed Date: 2010-03-31 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8604127 Medline TA: Dis Markers Country: Netherlands |
Other Details:
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Languages: eng Pagination: 255-68 Citation Subset: IM |
Affiliation:
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Department of Molecular Genetics, Institute of Pathology, University of Ljubljana, Slovenia. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Biological Markers / metabolism Female Fetal Heart / metabolism Gene Expression Profiling Gene Expression Regulation Humans Male MicroRNAs / biosynthesis*, genetics Middle Aged Myocardial Infarction / metabolism* Myocardium / metabolism Oligonucleotide Array Sequence Analysis Pregnancy |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 0/MIRN1 microRNA, human; 0/MIRN150 microRNA, human; 0/MIRN186 microRNA, human; 0/MIRN210 microRNA, human; 0/MIRN451 microRNA, human; 0/MicroRNAs |
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