Gasdermin (GSDM) is the substrate of the inflamamatory Caspase downstream from inflamasomes which activate caspase. Inflammasomes are supramolecular signaling assemblies activating the lytic process against exogenous pathogens. GSDM is required for cytokine release and pyroptosis [1]. Pyropptosis is the regulated lytic cell death mediated by GSMD pore formation. GSDM D contains 2 domains: the N-terminal fragment which is pore-forming and the repressive C-terminal. The GSDM family contains 6 members in human.

Function

Disease

Relevance

Structural highlights

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Cryo-EM mouse gasdermin A3 pore complex with cardiolipin (PDB code 6cb8)

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ReferencesReferences

  1. Xia S, Hollingsworth LR 4th, Wu H. Mechanism and Regulation of Gasdermin-Mediated Cell Death. Cold Spring Harb Perspect Biol. 2020 Mar 2;12(3). pii: cshperspect.a036400. doi: , 10.1101/cshperspect.a036400. PMID:31451512 doi:http://dx.doi.org/10.1101/cshperspect.a036400

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Michal Harel