首页|Targeting the TRAF3-ULK1-NLRP3 regulatory axis to control alveolar macrophage pyroptosis in acute lung injury
Targeting the TRAF3-ULK1-NLRP3 regulatory axis to control alveolar macrophage pyroptosis in acute lung injury
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Acute lung injury(ALI)is a serious condition characterized by damage to the lungs.Recent research has revealed that activation of the NLRP3 inflammasome in alveolar macrophages,a type of immune cell in the lungs,plays a key role in the development of ALI.This process,known as pyroptosis,contributes significantly to ALI pathogenesis.Researchers have conducted comprehensive bioinformatics analyses and identified 15 key genes associated with alveolar macrophage pyroptosis in ALI.Among these,NLRP3 has emerged as a crucial regulator.This study further reveal that the ULK1 protein diminishes the expression of NLRP3,thereby reducing the immune response of alveolar macrophages and mitigating ALI.Conversely,TRAF3,another protein,is found to inhibit ULK1 through a process called ubiquitination,leading to increased activation of the NLRP3 inflammasome and exacerbation of ALI.This TRAF3-mediated suppression of ULK1 and subsequent activation of NLRP3 are confirmed through various in vitro and in vivo experiments.The presence of abundant M0 and M1 alveolar macrophages in the ALI tissue samples further support these findings.This research highlights the TRAF3-ULK1-NLRP3 regulatory axis as a pivotal pathway in ALI development and suggests that targeting this axis could be an effective therapeutic strategy for ALI treatment.
NETL
NSTL
万方数据
