Altered expression of inflammasomes in Hirschsprung’s disease
2019
Aim of the study
The pathogenesis of Hirschsprung’s disease-associated enterocolitis (HAEC) is poorly understood. Inflammasomes are a large family of multiprotein complexes that act to mediate host immune responses to microbial infection and have a regulatory or conditioning influence on the composition of the microbiota. Inflammasomes and the apoptosis-associated speck-like protein (ASC) lead to caspase-1 activation. The activated caspase-1 promotes secretion of pro-inflammatory cytokines (IL-1β and IL-18) from their precursors (pro-IL-1β and pro-IL-18). Inflammasomes have been implicated in a host of inflammatory disorders. Among the inflammasomes, NLRP3, NLRP12 and NLRC4 are the most widely investigated. Knock-out mice models of inflammasomes NLRP3, NLRP12, NLRC4, caspase-1 and ASC are reported to have higher susceptibility to experimental colitis. The purpose of this study was to investigate the expression of NLRP3, NLRP12, NLRC4, caspase-1, ASC, pro-IL-1β and pro-IL-18 in the bowel specimens from patients with HSCR and controls.
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