Role of Inflammasome in Chronic Kidney Disease
The inflammasome is a multiprotein complex assembled by intracytoplasmic pattern recognition receptors and is a key component of the innate immune system for host defense. Inflammasome recruits and activates the proinflammatory protease caspase-1 by recognizing pathogen-associated molecular patterns (PAMPs) or host-derived damage-associated molecular patterns (DAMPs). Activated caspase-1 cleaves the precursors of IL-1β and IL-18 to produce the corresponding mature cytokines. Several types of inflammasomes have been identified, such as NLRP3, NLRP1, IPAF (NLRC4) and AIM2. NLRP3 has recently been reported as a central pathogenic mechanism of chronic kidney disease (CKD). In this chapter, we briefly summarize the current knowledge about the roles of inflammasomes in the pathogenesis of CKD. A better understanding of the function of inflammasomes will provide unexpected opportunities to develop new therapies for kidney diseases by modulation of the innate immune system.
KeywordsInflammasome Chronic kidney disease Pattern recognition receptors Inflammation Fibrosis
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