Role of the ACTH/MC2R System in the Hair Cycle in Mice

    January 2016 in “ Journal of Biosciences and Medicines ”
    Keiichi Hiramoto, Kumi Orita, Yurika Yamate, Emiko Kasahara
    TLDR The ACTH/MC2R system is crucial for controlling hair growth cycles in mice.
    The study explored the role of the ACTH/MC2R system in the hair cycle of MC2R-deficient mice, revealing age-dependent mechanisms. In 15-week-old mice, the hair cycle remained in the anagen phase unless treated with specific antagonists, while 5-day-old mice shifted to the telogen phase with corticosterone treatment. The research indicated that ACTH interacted with MC2R to regulate corticosterone levels and the POMC system, highlighting the complex interplay between stress-related hormones and hair cycle regulation. The study involved 10 mice and suggested that further research is needed to apply these findings to humans.
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