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Microglia Pyroptosis: A Candidate Target for Neurological Diseases Treatment
Xian Wu1, Teng Wan2, Xiaoyu Gao3
1The First Affiliated Hospital of Hunan College of Traditional Chinese Medicine, Hunan Province Directly Affiliated TCM Hospital, Zhuzhou, China.
Abstract:
In addition to its profound implications in the fight against cancer, pyroptosis have important role in the regulation of neuronal injury. Microglia are not only central members of the immune regulation of the central nervous system (CNS), but are also involved in the development and homeostatic maintenance of the nervous system. Under various pathological overstimulation, microglia pyroptosis contributes to the massive release of intracellular inflammatory mediators leading to neuroinflammation and ultimately to neuronal damages. In addition, microglia pyroptosis lead to further neurological damage by decreasing the ability to cleanse harmful substances. The pathogenic roles of microglia in a variety of CNS diseases such as neurodegenerative diseases, stroke, multiple sclerosis and depression, and many other neurological disorders have been gradually unveiled. In the context of different neurological disorders, inhibition of microglia pyroptosis by targeting NOD-like receptor family pyrin domain containing (NLRP) 3, caspase-1 and gasdermins (GSDMs) by various chemical agents as well as natural products significantly improve the symptoms or outcome in animal models. This study will provide new ideas for immunomodulatory treatment of CNS diseases.
Insights
Pyroptosis, a form of programmed cell death, exacerbates neuronal injury by activating microglia and causing neuroinflammation. Inhibiting this process offers a promising therapeutic strategy for central nervous system (CNS) diseases.
Area of Science:
- Neuroscience
- Immunology
- Cell Biology
Background:
- Microglia play a crucial role in central nervous system (CNS) immune regulation and homeostasis.
- Microglia pyroptosis, a lytic form of programmed cell death, contributes to neuroinflammation and neuronal damage in various CNS disorders.
- This process involves the release of inflammatory mediators and impairs the clearance of harmful substances.
Purpose of the Study:
- To explore the role of microglia pyroptosis in neuronal injury.
- To investigate the potential of inhibiting microglia pyroptosis as a therapeutic strategy for CNS diseases.
- To provide insights into immunomodulatory treatments for neurological disorders.
Main Methods:
- Review of existing literature on microglia pyroptosis and CNS diseases.
- Analysis of the mechanisms underlying microglia pyroptosis, including NLRP3, caspase-1, and GSDMs.
- Examination of therapeutic interventions targeting microglia pyroptosis in animal models.
Main Results:
- Microglia pyroptosis is implicated in the pathogenesis of neurodegenerative diseases, stroke, multiple sclerosis, and depression.
- Inhibition of microglia pyroptosis, by targeting key inflammasome components (NLRP3, caspase-1) and executioners (GSDMs), has shown beneficial effects in preclinical models.
- Various chemical agents and natural products demonstrate efficacy in mitigating disease symptoms through this inhibition.
Conclusions:
- Microglia pyroptosis is a significant contributor to neuronal damage and neuroinflammation in CNS diseases.
- Targeting microglia pyroptosis presents a novel therapeutic avenue for managing a range of neurological disorders.
- Further research into immunomodulatory treatments focusing on pyroptosis inhibition holds promise for improving patient outcomes.
