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Biochem Biophys Res Commun. 2007 Aug 17;360(1):122-7. Epub 2007 Jun 14.

Site-specific cleavage of CD59 mRNA by endoplasmic reticulum-localized ribonuclease, IRE1.

Author information

  • 1Iwawaki Initiative Research Unit, Frontier Research System, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.

Erratum in

  • Biochem Biophys Res Commun. 2010 May 7;395(3):449.

Abstract

IRE1, an ER-localized transmembrane-RNase, plays a central role in ER stress response. Upon ER stress, IRE1 induces various adaptive genes through the processing of mRNA encoding the transcription factor XBP1. Moreover, it was recently reported that in fly IRE1 attenuates the expression of several genes by cleaving mRNAs, but it has been unclear whether such a mechanism also exists in mammal. In this study, we searched for IRE1alpha-cleaved mRNAs in mammalian cells and identified human CD59 (complement defense 59) mRNA as a novel cleavage target. In addition, the expression of CD59 was significantly attenuated by overexpression of IRE1alpha or ER stress. These results suggest that IRE1alpha-mediated mRNA cleavage functions even in mammals as a common system to regulate gene expression.

PMID:
17585877
[PubMed - indexed for MEDLINE]
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