AI RESEARCHarXiv9d ago

The mitochondrial RNA extrusion-induced innate immunity is regulated by N6-methyladenosine machinery

Hu · Q. · Zhang · Y. · Wang · S. · Zeng · X. · +10 more

Abstract

Mitochondrial RNA (mtRNA) released into the cytosol functions as a damage associated molecular pattern that activates pattern-recognition receptor (PRR)-mediated inflammation, yet its release mechanisms and cytoplasmic fate remain poorly understood. Here we report that chemical Abt-373-treatment and Vesicular stomatitis virus (VSV) infection induce mtRNA extrusion through Bax/Bak and VDAC1 channels, accompanied by mtDNA release. Extruded mtRNA in A549 cells activates multiple cytosolic PRRs, inc

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