Cytokines are well-known mediators of the immune response, but, recently, pleiotropic roles in the central nervous system have started to be uncovered. It is now shown that IL-17 directly modulates fear behavior in mice.
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Rua, R., Pujol, N. IL-17: good fear no tears. Nat Immunol 21, 1315–1316 (2020). https://doi.org/10.1038/s41590-020-0792-4
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DOI: https://doi.org/10.1038/s41590-020-0792-4
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