Toll-like receptors and their role in neuropathic pain and migraine

文献类型： 外文期刊

第一作者： Liu, Xuejiao

作者： Liu, Xuejiao;Zhu, Chenlu;Sun, Songtang;Wu, Shouyi;Ge, Zhaoming;Liu, Xuejiao;Zhu, Chenlu;Sun, Songtang;Wu, Shouyi;Ge, Zhaoming;Yang, Wenping;Wang, Longde;Wang, Yonggang

作者机构：

关键词： Migraine; TLRs; Microglia; Inflammatory response

期刊名称：MOLECULAR BRAIN （ 影响因子：4.399； 五年影响因子：5.176 ）

ISSN：

年卷期： 2022 年 15 卷 1 期

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收录情况： SCI

摘要： Migraine is a complex neurological disease of unknown etiology involving both genetic and environmental factors. It has previously been reported that persistent pain may be mediated by the immune and inflammatory systems. Toll-like receptors (TLRs) play a significant role in immune and inflammatory responses and are expressed by microglia and astrocytes. One of the fundamental mechanisms of the innate immune system in coordinating inflammatory signal transduction is through TLRs, which protect the host organism by initiating inflammatory signaling cascades in response to tissue damage or stress. TLRs reside at the neuroimmune interface, and accumulating evidence has suggested that the inflammatory consequences of TLR activation on glia (mainly microglia and astrocytes), sensory neurons, and other cell types can influence nociceptive processing and lead to pain. Several studies have shown that TLRs may play a key role in neuropathic pain and migraine etiology by activating the microglia. The pathogenesis of migraine may involve a TLR-mediated crosstalk between neurons and immune cells. Innate responses in the central nervous system (CNS) occur during neuroinflammatory phenomena, including migraine. Antigens found in the environment play a crucial role in the inflammatory response, causing a broad range of diseases, including migraines. These can be recognized by several innate immune cells, including macrophages, microglia, and dendritic cells, and can be activated through TLR signaling. Given the prevalence of migraine and the insufficient efficacy and safety of current treatment options, a deeper understanding of TLRs is expected to provide novel therapies for managing chronic migraine. This review aimed to justify the view that TLRs may be involved in migraine.

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