RNase L Is Involved in Liposaccharide-Induced Lung Inflammation.

Abstract:

:RNase L mediates interferon (IFN) function during viral infection and cell proliferation. Furthermore, the role of RNase L in the regulation of gene expression, cell apoptosis, autophagy, and innate immunity has been well established in the last decade. Tissue distribution reveals that RNase L is highly expressed in the lung and other organs. However, the physiological roles of RNase L in the lung are largely unknown. In this study, we found that polysaccharide (LPS)-induced acute lung injury (ALI) was remarkably intensified in mice deficient in RNase L compared to wild type mice under the same condition. Furthermore, we found that RNase L mediated the TLR4 signaling pathway, and regulated the expression of various pro- and anti-inflammatory genes in the lung tissue and blood. Most importantly, RNase L function in macrophages during LPS stimulation may be independent of the 2-5A system. These findings demonstrate a novel role of RNase L in the immune response via an atypical molecular mechanism.

journal_name

Viruses

journal_title

Viruses

authors

Wei R,Chen G,Algehainy N,Zeng C,Liu C,Liu H,Liu W,Stacey D,Zhou A

doi

10.3390/v12010073

subject

Has Abstract

pub_date

2020-01-07 00:00:00

issue

1

issn

1999-4915

pii

v12010073

journal_volume

12

pub_type

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