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Long Non-coding RNA BANCR Promotes Interferon-β-induced Cardiomyocyte Apoptosis by Targeting Signal Transducer and Activator of Transcription 1

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Specialty Pathology
Date 2020 Dec 7
PMID 33284897
Citations 1
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Abstract

Myocardium functions as an immune organ, and myocardial ischemia-reperfusion (I/R) is known to initiate myocardial innate immune response to induce myocardial injury. However, the mechanisms underlying interferon-β (IFN-β)-mediated myocardial injury during I/R and whether long non-coding RNAs (lncRNAs) are involved in IFN-β-mediated myocardial injury remain unknown. This study identified that I/R significantly induced IFN-β expression in induced pluripotent stem cell-derived cardiomyocytes, and IFN-β further enhanced I/R-induced myocardial apoptosis. Furthermore, it was demonstrated that the lncRNA BRAF-activated non-coding RNA (BANCR) was highly expressed in cardiomyocytes, and BANCR-knockdown suppressed signal transducer and activator of transcription 1 (STAT1) phosphorylation and IFN-β-induced cardiomyocyte apoptosis. Furthermore, it was identified that BANCR specifically interacted with STAT1 to promote IFN-β-STAT1 signaling and enhanced the expression of pro-apoptotic interferon stimulated genes. Overall, the present study reports that lncRNA BANCR promotes IFN-β-mediated cardiomyocyte apoptosis following I/R injury by interacting with STAT1, suggesting lncRNA BANCR is involved in IFN-β-induced cardiomyocyte apoptosis.

Citing Articles

Interaction Between Non-Coding RNAs and Interferons: With an Especial Focus on Type I Interferons.

Ghafouri-Fard S, Poornajaf Y, Dashti F, Hussen B, Taheri M, Jamali E Front Immunol. 2022; 13:877243.

PMID: 35572537 PMC: 9091820. DOI: 10.3389/fimmu.2022.877243.

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