TREM2-mediated regulation of microglial activity: a promising target for the treatment of ischemic stroke
Abstract Ischemic stroke, the most prevalent type of stroke globally, poses significant challenges due to its high incidence, morbidity, and long-term disability. Microglia, the resident immune cells of the central nervous system (CNS), play a dual role in the context of ischemic stroke. While they...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2025-07-01
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| Series: | Journal of Translational Medicine |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12967-025-06799-3 |
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| Summary: | Abstract Ischemic stroke, the most prevalent type of stroke globally, poses significant challenges due to its high incidence, morbidity, and long-term disability. Microglia, the resident immune cells of the central nervous system (CNS), play a dual role in the context of ischemic stroke. While they contribute to neuroinflammation by releasing pro-inflammatory cytokines and exacerbating neuronal injury, they also facilitate tissue repair, angiogenesis, and restoration of the blood-brain barrier (BBB) integrity through the secretion of anti-inflammatory and neurotrophic factors. Triggering receptor expressed on myeloid cells 2 (TREM2), predominantly expressed on microglia, is a critical regulator of microglial proliferation, survival, phagocytosis, polarization, inflammation, and metabolism. TREM2 has emerged as a key modulator of immune responses in ischemic stroke. This review provides a comprehensive examination of the multifaceted roles of TREM2 in microglial biology during ischemic stroke, integrating current insights into its molecular mechanisms. Furthermore, it highlights TREM2’s potential as a transformative therapeutic target, advancing our understanding of neuroimmune regulation and promoting recovery after stroke. |
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| ISSN: | 1479-5876 |