期刊
MICROBIOLOGICAL RESEARCH
卷 272, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.micres.2023.127383
关键词
GSDMD; Bacteria; Pyroptosis; Caspase; Inflammasome
类别
This review examines the role of gasdermin D (GSDMD) in host immune defense against bacteria. While GSDMD contributes to the clearance of some bacteria, its presence may hinder effective immunity against other pathogens, aiding their invasion and spread.
The recognition of pathogen-or damage-associated molecular patterns (PAMPs/DAMPs) signals a series of coordinated responses as part of innate immunity or host cell defense during infection. The inflammasome is an assemblage of multiprotein complexes in the cytosol that activate inflammatory caspases and release pro-inflammatory mediators. This review examines the two-edged sword activity of gasdermin D (GSDMD). Since its discovery in 2015, GSDMD has played a crucial role in the programmed necrotic type of cell death called pyroptosis. Pyroptosis is an important response in host self-protection against danger signals and infection. Although excessive pyroptosis has a deleterious effect on the host, it proves to have a game-changing therapeutic application against pathogenic invasion when controlled. Here, we explore the mechanism utilized by GSDMD, the best studied member of the gasdermin protein family, in host immune defense against many bacteria. While the protein contributes to the clearance of some bacteria, we also discussed results from previous studies and research, that its presence might hinder effective immunity against other pathogens, thus aiding pathogenic invasion and spread.
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