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Title: Increased Binding of Stroke-Induced Long Non-Coding RNAs to the Transcriptional Corepressors Sin3A and coREST

Journal Article · · ASN Neuro
DOI:https://doi.org/10.1042/an20130029· OSTI ID:1624987
 [1];  [2];  [2]
  1. Univ. of Wisconsin, Madison, WI (United States). Dept. of Neurological Surgery; Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Biology and Biophysics (T-6)
  2. Univ. of Wisconsin, Madison, WI (United States). Dept. of Neurological Surgery

LncRNAs (long non-coding RNAs) are thought to play a significant role in cellular homeostasis during development and disease by interacting with CMPs (chromatin-modifying proteins). We recently showed that following transient focal ischemia, the expression of many lncRNAs was altered significantly in rat brain. We currently analyzed whether focal ischemia also alters the association of lncRNAs with the CMPs Sin3A and coREST (corepressors of the RE-1 silencing transcription factor). RIP (RNA immunoprecipitation) combined with lncRNA microarray analysis showed that 177 of the 2497 lncRNAs expressed in rat cerebral cortex showed significantly increased binding to either Sin3A or coREST following ischemia compared with sham. Of these, 26 lncRNAs enriched with Sin3A and 11 lncRNAs enriched with coREST were also up-regulated in their expressions after ischemia. A majority of the lncRNAs enriched with these CMPs were intergenic in origin. Evaluation of the expression profiles of corresponding protein-coding genes showed that their expression levels correlate with those of the lncRNAs with which they shared a common locus. This is the first study to show that stroke-induced lncRNAs might associate with CMPs to modulate the post-ischemic epigenetic landscape.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1624987
Journal Information:
ASN Neuro, Vol. 5, Issue 4; ISSN 1759-0914
Publisher:
SAGECopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (17)

LncRNAs: macromolecules with big roles in neurobiology and neurological diseases journal February 2017
Systematic Analysis of RNA Regulatory Network in Rat Brain after Ischemic Stroke journal January 2018
Long non-coding RNAs and cell death following ischemic stroke journal May 2019
Altered Expression of Long Noncoding RNAs in Blood After Ischemic Stroke and Proximity to Putative Stroke Risk Loci journal December 2016
Long non-coding RNAs in ischemic stroke journal February 2018
The Mechanism of Long Non-coding RNA MEG3 for Neurons Apoptosis Caused by Hypoxia: Mediated by miR-181b-12/15-LOX Signaling Pathway journal September 2016
The Regulatory Role of Long Noncoding RNAs in Different Brain Cell Types Involved in Ischemic Stroke journal March 2019
Silencing the lncRNA Maclpil in pro-inflammatory macrophages attenuates acute experimental ischemic stroke via LCP1 in mice journal March 2019
Circular RNA Expression Profiles Alter Significantly in Mouse Brain After Transient Focal Ischemia journal September 2017
Downregulation of the Long Non-Coding RNA Meg3 Promotes Angiogenesis After Ischemic Brain Injury by Activating Notch Signaling journal November 2016
Long non-coding RNA-dependent transcriptional regulation in neuronal development and disease journal June 2014
Non-Coding RNAs in Stroke and Neuroprotection journal March 2015
A Genome-Wide Analysis of the Penumbral Volume in Inbred Mice following Middle Cerebral Artery Occlusion journal March 2019
Comparison Analysis of Dysregulated LncRNA Profile in Mouse Plasma and Liver after Hepatic Ischemia/Reperfusion Injury journal July 2015
Toward understanding non-coding RNA roles in intracranial aneurysms and subarachnoid hemorrhage journal May 2017
Long non-coding RNA MALAT1 increases AKAP-9 expression by promoting SRPK1-catalyzed SRSF1 phosphorylation in colorectal cancer cells journal February 2016
Long Non-Coding RNAs as Master Regulators in Cardiovascular Diseases journal October 2015

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