期刊
GENOMICS DATA
卷 2, 期 -, 页码 325-327出版社
ELSEVIER
DOI: 10.1016/j.gdata.2014.10.002
关键词
Endoplasmic reticulum stress; Unfolded protein response; MicroRNA; Bioinformatics
资金
- Canadian Institutes of Health Research [MOP-15291, MOP-15415, MOP-53050]
Disruption of the endoplasmic reticulum (ER) homeostasis is the cause of ER stress. We performed microRNA (miRNA) analysis (deep sequencing) to search for coping responses (including signaling pathways) induced by disrupted ER Ca2+ homeostasis. Our focus was on a specific branch of UPR namely the bi-functional protein kinase/endoribonuclease inositol-requiring element 1 alpha (IRE1 alpha). Activated IRE1 alpha undergoes autophosphorylation and oligomerization, leading to the activation of the endoribonuclease domain and splicing of the mRNA encoding XBP1 specific transcription factor. This processing changes the coding reading frame, producing a potent transcription factor termed XBP1s. We utilized the XBP1 splicing luciferase reporter to screen for modulators of the IRE1 alpha branch of the unfolded protein response (UPR). Here, we describe a detailed experimental design and bioinformatics analysis of ER Ca2+ depletion (thapsigargin treated)-induced microRNA (deep sequencing) profile. The data can be access at the Gene Expression Omnibus (GEO), the National Center for Biotechnology Information (NCBI), reference number GSE57138. (C) 2014 The Authors. Published by Elsevier Inc.
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