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Emerging Insights into Noncanonical Inflammasome Recognition of Microbes.


ABSTRACT: Inflammasomes are cytosolic multi-molecular complexes that sense intracellular microbial danger signals and metabolic perturbations. Inflammasome activation leads to the activation of caspase-1 and the release of pro-inflammatory cytokines IL-1? and IL-18 accompanied by cell death. An inflammasome-based surveillance machinery for Gram-negative bacterial infections has been recently discovered. This noncanonical inflammasome relies on sensing the cytosolic presence of lipopolysaccharide of Gram-negative bacteria via inflammatory caspases such as caspase-4, -5, and -11. This review discusses the recent findings related to the mechanism of activation of the noncanonical inflammasome and its biological functions.

SUBMITTER: Russo AJ 

PROVIDER: S-EPMC5790197 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Emerging Insights into Noncanonical Inflammasome Recognition of Microbes.

Russo Ashley J AJ   Behl Bharat B   Banerjee Ishita I   Rathinam Vijay A K VAK  

Journal of molecular biology 20171007 2


Inflammasomes are cytosolic multi-molecular complexes that sense intracellular microbial danger signals and metabolic perturbations. Inflammasome activation leads to the activation of caspase-1 and the release of pro-inflammatory cytokines IL-1β and IL-18 accompanied by cell death. An inflammasome-based surveillance machinery for Gram-negative bacterial infections has been recently discovered. This noncanonical inflammasome relies on sensing the cytosolic presence of lipopolysaccharide of Gram-n  ...[more]

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