ArticleNaunyn-Schmiedeberg's archives of pharmacology2024
Mer activation ameliorates nerve injury-induced neuropathic pain by regulating microglial polarization and neuroinflammation via SOCS3 in male rats.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- The Crosstalk Between Sepsis-Associated Encephalopathy and Alzheimer's Disease: Identifying Potential Biomarkers and Therapeutic Targets for Cognition.Molecular neurobiology · 2025Article
- Inflammatory mediator contributes to leptin resistance and obesity in craniopharyngioma.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2024Article
- CTRP9 attenuates peripheral nerve injury-induced mechanical allodynia and thermal hyperalgesia through regulating spinal microglial polarization and neuroinflammation mediated by AdipoR1 in male mice.Cell biology and toxicology · 2024Article
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Authors and funding
3 authors.
Funding
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Abstract
Accumulating evidence has demonstrated that M1 microglial polarization and neuroinflammation worsen the development of neuropathic pain. However, the mechanisms underlying microglial activation during neuropathic pain remain incompletely understood. Myeloid-epithelial-reproductive tyrosine kinase (Mer), which is a member of the Tyro-Axl-Mer (TAM) family of receptor tyrosine kinases, plays a crucial role in the regulation of microglial polarization. However, the effect of Mer on microglial polarization during neuropathic pain has not been determined. In this study, western blotting, immunofluorescence analysis, quantitative polymerase chain reaction (qPCR), and enzyme-linked immunosorbent assay (ELISA) were used to examine the role of Mer in pain hypersensitivity and microglial polarization in rats with chronic constriction injury (CCI) of the sciatic nerve. The results indicated that Mer expression in microglia was prominently increased in the spinal cords of rats subjected to CCI. Furthermore, treatment with recombinant protein S (PS, an activator of Mer) alleviated mechanical allodynia and thermal hyperalgesia, promoted the switch in microglia from the M1 phenotype to the M2 phenotype, and ameliorated neuroinflammation in rats subjected to CCI. However, the use of suppressor of cytokine signalling 3 (SOCS3) siRNA abolished these changes. These results indicated that Mer regulated M1/M2 microglial polarization and neuroinflammation and may be a potential target for treating neuropathic pain.
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