Acupuncture and Moxibustion Department, The First Dongguan Affiliated Hospital, School of Medical Technology, Guangdong Medical University, Dongguan 523808, China.
Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Kunming Medical University, Kunming 650500, China.
Biomolecules. 2024 Oct 4;14(10):1255. doi: 10.3390/biom14101255.
Tuberculosis (TB), an infectious disease caused by Mycobacterium tuberculosis (Mtb) infection, remains a deadly global public health burden. The use of recommended drug combinations in clinic has seen an increasing prevalence of drug-resistant TB, adding to the impediments to global control of TB. Therefore, control of TB and drug-resistant TB has become one of the most pressing issues in global public health, which urges the exploration of potential therapeutic targets in TB and drug-resistant TB. Pyroptosis, a form of programmed cell death characterized by cell swelling and rupture, release of cellular contents and inflammatory responses, has been found to promote pathogen clearance and adopt crucial roles in the control of bacterial infections. It has been demonstrated that Mtb can cause host cell pyroptosis, and these host cells, which are infected by Mtb, can kill Mtb accompanied by pyroptosis, while, at the same time, pyroptosis can also release intracellular Mtb, which may potentially worsen the infection by exacerbating the inflammation. Here, we describe the main pathways of pyroptosis during Mtb infection and summarize the identified effectors of Mtb that regulate pyroptosis to achieve immune evasion. Moreover, we also discuss the potentials of pyroptosis to serve as an anti-TB therapeutic target, with the aim of providing new ideas for the development of TB treatments.
结核病(TB)是一种由结核分枝杆菌(Mtb)感染引起的传染病,仍然是一个致命的全球公共卫生负担。在临床中使用推荐的药物组合治疗已经导致了耐药性结核病的流行率增加,这给全球结核病控制带来了更多的障碍。因此,控制结核病和耐药性结核病已成为全球公共卫生最紧迫的问题之一,这促使人们探索结核病和耐药性结核病的潜在治疗靶点。细胞焦亡是一种程序性细胞死亡形式,其特征为细胞肿胀和破裂、细胞内容物的释放以及炎症反应,已被发现可以促进病原体清除,并在控制细菌感染方面发挥关键作用。已经证明 Mtb 可以导致宿主细胞发生细胞焦亡,而这些被 Mtb 感染的宿主细胞在发生细胞焦亡的同时可以杀死 Mtb,同时,细胞焦亡也可以释放细胞内的 Mtb,这可能会通过加剧炎症而使感染恶化。在这里,我们描述了 Mtb 感染过程中细胞焦亡的主要途径,并总结了已鉴定出的 Mtb 效应因子,这些效应因子可以调节细胞焦亡以实现免疫逃避。此外,我们还讨论了细胞焦亡作为一种抗结核病治疗靶点的潜力,以期为结核病治疗的发展提供新的思路。
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