Using a gene-delivery system, we show that ectopic expression of interleukin 2 (IL-2) within reactive astrocytes stimulates brain-specific expansion of resident regulatory T cells. Such gene delivery protects against neuroinflammation in several mouse models of disease and injury, with potential implications for patients with traumatic brain injuries.
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References
Dewan, M. C. et al. Estimating the global incidence of traumatic brain injury. J. Neurosurgery. 130, 1080–1097 (2018). This paper models the prevalence and major sources of traumatic brain injuries, internationally.
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This is a summary of: Yshii, L. et al. Astrocyte-targeted gene delivery of interleukin 2 specifically increases brain-resident regulatory T cell numbers and protects against pathological neuroinflammation. Nat. Immunol. https://doi.org/10.1038/s41590-022-01208-z (2022).
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Gene delivery of interleukin 2 treats neuro-inflammation in traumatic brain injury. Nat Immunol 23, 834–835 (2022). https://doi.org/10.1038/s41590-022-01209-y
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DOI: https://doi.org/10.1038/s41590-022-01209-y
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