A new study shows that increased microRNA-31 expression is associated with hair follicle aging. Genetic deletion of the microRNA or pharmacological inhibition of its downstream effectors suppresses hair follicle stem cell aging in mice.
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The authors declare no competing interests.
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Zhang, C., Yi, R. Inhibition of microRNA turns back the CLOCK of hair follicle aging. Nat Aging 1, 753–754 (2021). https://doi.org/10.1038/s43587-021-00101-y