Considerable knowledge gaps remain regarding the mechanisms underlying how peripheral hormones affect the brain. Duquenne et al. previously found support for a possible route for leptin to enter the brain, but the results have been somewhat controversial. Now the authors provide further evidence and details in support of this route involving a tanycytic leptin shuttle.
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Anesten, F., Jansson, JO. Blood–brain shuttles—a new way to reach the brain?. Nat Metab 3, 1040–1041 (2021). https://doi.org/10.1038/s42255-021-00428-1
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DOI: https://doi.org/10.1038/s42255-021-00428-1
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