HMGB1: LPS Delivery Vehicle for Caspase-11-Mediated Pyroptosis

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Recognition of cytoplasmic lipopolysaccharide (LPS) by caspase-11 leads to pyroptosis and secretion of inflammatory mediators. In this issue of Immunity, Deng et al. (2018) report that high-mobility group box 1 (HMGB1) secreted by hepatocytes delivers extracellular LPS into the cytoplasm and mediates pyroptosis.

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