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Peroxiredoxin-1 aggravates lipopolysaccharide-induced septic shock via promoting inflammation.

Abstract：

:Septic shock induced by lipopolysaccharide (LPS) is characterized by serious systemic inflammatory response and robust production of pro-inflammatory cytokines from activated macrophages. Damage-associated molecular patterns (DAMPs) secreted by activated macrophages are key contributors to septic shock. However, the current knowledge on those DAMPs that promote inflammatory response under LPS-induced septic shock remains poorly understood. Here, we report that Peroxiredoxin 1 (Prdx1) plays a detrimental role in LPS-induced septic shock. Intraperitoneal injection of LPS elicited a progressive course of septic shock in mice, which was characterized by significant lethality along with robust production of cytokines (IL-1β, IL-6 and TNF-α). Removal of Prdx1 strongly protected mice from LPS-induced death, and decreased IL-1β, IL-6 and TNF-α productions. Additionally, primary macrophages deficient in Prdx1 are less able to produce much more IL-1β, IL-6 and TNF-α. Collectively, we provide a demonstration for Prdx1 contributing to LPS-induced septic shock likely via promoting inflammation.

journal_name

Biochem Biophys Res Commun

journal_title

Biochemical and biophysical research communications

authors

He Y,Peng Y,Tao L,Peng Z,Yang H

doi

10.1016/j.bbrc.2020.04.149

subject

Has Abstract

pub_date

2020-07-05 00:00:00

pages

861-865

issue

4

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(20)30889-5

journal_volume

527

pub_type

杂志文章

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