Journal
BIO-PROTOCOL
Volume 7, Issue 10, Pages -Publisher
BIO-PROTOCOL
DOI: 10.21769/BioProtoc.2292
Keywords
Inflammasome; Caspase-1; Pyroptosis; Biochemistry; Auto-inflammation
Categories
Funding
- European Research Council Starting Grant [281996]
- European Research Council (ERC) [281996] Funding Source: European Research Council (ERC)
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The apoptosis-associated speck-like protein with a caspase-recruitment domain (ASC) adaptor protein bridges inflammasome sensors and caspase-1. Upon inflammasome activation, ASC nucleates in a prion-like manner into a large and single platform responsible for the recruitment and the activation of caspase-1. Active caspase-1 will in turn promote the proteolytic maturation of the proinflammatory cytokine IL-1 beta. ASC oligomerization is direct evidence for inflammasome activation and its detection allows a read-out independent of caspase-1 and IL-1 beta. This protocol describes how to detect the oligomerization of ASC by Western blot.
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