Identification of ethyl pyruvate as a NLRP3 inflammasome inhibitor that preserves mitochondrial integrity

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Identification of ethyl pyruvate as a NLRP3 inflammasome inhibitor that preserves mitochondrial integrity

Background: The NLRP3 inflammasome, a cytosolic complex that mediates the maturation of IL-1β and IL-18 as well as the release of high mobility group box 1 (HMGB1), contributes to the lethality of endotoxic shock. Ethyl pyruvate (EP) was previously shown to inhibit HMGB1 release and promote survival during endotoxemia and experimental sepsis. However, the underlying protective mechanism remains...

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Despite the fact that deregulated NLRP3 inflammasome activation contributes to the pathogenesis of chronic inflammatory or metabolic disorders, the underlying mechanism by which NLRP3 inflammasome signaling is initiated or potentiated remains poorly understood. Much attention is being paid to mitochondria as a regulator of NLRP3 inflammasome activation, but little is known about the role of mit...

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NLRP3 is a key component of the macromolecular signaling complex called the inflammasome that promotes caspase 1-dependent production of IL-1β. The adaptor ASC is necessary for NLRP3-dependent inflammasome function, but it is not known whether ASC is a sufficient partner and whether inflammasome formation occurs in the cytosol or in association with mitochondria is controversial. Here, we show ...

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ژورنال

عنوان ژورنال: Molecular Medicine

سال: 2018

ISSN: 1076-1551,1528-3658

DOI: 10.1186/s10020-018-0006-9