Reference : The miRNome of Alzheimer's disease: consistent downregulation of the miR-132/212 cluster
Scientific journals : Article
Human health sciences : Neurology
Systems Biomedicine
http://hdl.handle.net/10993/29468
The miRNome of Alzheimer's disease: consistent downregulation of the miR-132/212 cluster
English
Pichler, Sabrina mailto []
Gu, Wei mailto [University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) > >]
Hartl, Daniela []
Gasparoni, Gilles []
Leidinger, Petra []
Keller, Andreas []
Meese, Eckart []
Mayhaus, Manuel []
Hampel, Harald []
Riemenschneider, Matthias []
2016
Neurobiology of Aging
Elsevier
50
167
Yes (verified by ORBilu)
International
0197-4580
1558-1497
New York
NY
[en] Alzheimer's disease ; Human cortical brain tissue ; microRNA
[en] MicroRNAs (miRNAs) are small noncoding RNA molecules, with essential functions in RNA silencing and post-transcriptional regulation of gene expression. miRNAs appear to regulate the development and function of the nervous system. Alterations of miRNA expression have been associated with Alzheimer's disease (AD). To characterize the AD miRNA signature, we examined genome-wide miRNA and mRNA expression patterns in the temporal cortex of AD and control samples. We validated our miRNA results by semiquantitative real-time polymerase chain reaction (PCR) in independent prefrontal cortex. Furthermore, we separated gray and white matter brain sections to identify the cellular origin of the altered miRNA expression. We observed genome-wide downregulation of hsa-miR-132-3p and hsa-miR-212-3p in AD with a stronger decrease in gray matter AD samples. We further identified 10 differently expressed transcripts achieving genome-wide levels of significance. Significantly deregulated miRNAs and mRNAs were correlated and examined for potential binding sites (in silico). This miRNome-wide study in AD provides supportive evidence and corroborates an important contribution of miR-132/212 and corresponding target mRNAs to the pathogenesis of AD.
Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group)
http://hdl.handle.net/10993/29468
10.1016/j.neurobiolaging.2016.09.019

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