High Quality Content by WIKIPEDIA articles! Pyroptosis is a form of programmed cell death associated with antimicrobial responses during inflammation. In contrast to apoptosis, pyroptosis requires the function of caspase-1, and has been studied in the context of salmonella-infected macrophages. The initiation of pyroptosis has been linked to the recognition of flagellin components of Salmonella and Shigella species (and similar pathogen-associated molecular patterns (PAMPs) in other microbial pathogens) by NOD-like receptors (NLRs). These receptors function similarly to plasma membrane Toll-like receptors (TLRs), but recognise intracytoplasmic antigens rather than extracellular antigens. Recently, it was shown that Caspase-1 is activated during pyroptosis by a large supramolecular complex termed the pyroptosome (also known as an inflammasome). Only one large pyroptosome is formed in each macrophage, within minutes after infection. Biochemical and Mass Spectroscopic analysis revealed...

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