Zhang et al. describe how meningeal MAIT cells maintain meningeal barrier integrity via the secretion of antioxidants, which also limit neuroinflammation and preserve spatial learning.
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Klein, R.S. Meningeal MAIT cells maintain meningeal and brain function. Nat Immunol 23, 1659–1661 (2022). https://doi.org/10.1038/s41590-022-01368-y
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DOI: https://doi.org/10.1038/s41590-022-01368-y