Abstract
Cytosolic LPS activates the NLRP3 inflammasome via a gasdermin D (GSDMD)-dependent mechanism. In this issue of Immunity, Zhu etal.1 provide insight into the events linking these two steps, identifying the orphan nuclear receptor Nur77 as a mediator of NLRP3 activation that senses LPS and GSDMD-dependent accumulation of cytosolic mtDNA.
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