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MiR-1303 Regulates Mycobacteria Induced Autophagy by Targeting Atg2B.


ABSTRACT: MicroRNAs are emerging post-transcriptional regulators of gene expressions in both innate immunity and adaptive immunity. In mycobacteria infection, autophagy plays an important role in innate defense mechanism and is tightly regulated by the autophagy-related proteins. Here, we show that Atg2B is involved in the regulation of mycobacteria-induced autophagy. MiR-1303, which function is not defined yet, is found to negatively regulate mycobacteria-induced Atg2B protein production, ultimately down-regulate mycobacteria-induced autophagy. MiR-1303 production is shown to be upregulated during BCG infection and its production is regulated by PI3K and NF?B. It is also demonstrated that miR-1303 targets putative target sites on Atg2B and possibly represses its translation.

SUBMITTER: Au KY 

PROVIDER: S-EPMC4714759 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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MiR-1303 Regulates Mycobacteria Induced Autophagy by Targeting Atg2B.

Au Kin Yi KY   Pong John C H JC   Ling Wai Lim WL   Li James C B JC  

PloS one 20160115 1


MicroRNAs are emerging post-transcriptional regulators of gene expressions in both innate immunity and adaptive immunity. In mycobacteria infection, autophagy plays an important role in innate defense mechanism and is tightly regulated by the autophagy-related proteins. Here, we show that Atg2B is involved in the regulation of mycobacteria-induced autophagy. MiR-1303, which function is not defined yet, is found to negatively regulate mycobacteria-induced Atg2B protein production, ultimately down  ...[more]

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