The relationship between Listeria infections and host immune responses: Listeriolysin O as a potential target

文献类型： 外文期刊

第一作者： Cong, Zixuan

作者： Cong, Zixuan;Xiong, Yan;Fu, Beibei;Guo, Dong;Sha, Zhou;Wu, Haibo;Lyu, Lyu;Yang, Bo

作者机构：

关键词： Listeria monocytogenes; LLO; Immune; Vaccine; Natural medicine

期刊名称：BIOMEDICINE & PHARMACOTHERAPY （ 影响因子：7.5； 五年影响因子：6.8 ）

ISSN： 0753-3322

年卷期： 2024 年 171 卷

页码：

收录情况： SCI

摘要： Listeria monocytogenes (Lm), a foodborne bacterium, can infect people and has a high fatality rate in immunocompromised individuals. Listeriolysin O (LLO), the primary virulence factor of Lm, is critical in regulating the pathogenicity of Lm. This review concludes that LLO may either directly or indirectly activate a number of host cell viral pathophysiology processes, such as apoptosis, pyroptosis, autophagy, necrosis and necroptosis. We describe the invasion of host cells by Lm and the subsequent removal of Lm by CD8 T cells and CD4 T cells upon receipt of the LLO epitopes from major histocompatibility complex class I (MHC-I) and major histocompatibility complex class II (MHC-II). The development of several LLO-based vaccines that malee use of the pore-forming capabilities of LLO and the immune response of the host cells is then described. Finally, we conclude by outlining the several natural substances that have been shown to alter the three-dimensional conformation of LLO by binding to particular amino acid residues of LLO, which reduces LLO pathogenicity and may be a possible pharmacological treatment for Lm.

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