Regional Differences in the Distribution of Melanocyte-Containing Hair Bulbs in the Skin of Male Albino Rats

    November 2025 in “ PLoS ONE ”
    Nayuki Numata, Aisa Ozawa, Motoharu Sakaue
    Studysummary This study observed that albino rats, despite not producing melanin, have melanocytes localized in specific skin areas of their hair matrix, suggesting that gene expression analysis of their skin should consider regional differences in melanocyte presence.
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    Research cited in this study 3

    1. Hair Follicle Pigmentation: Mechanisms and Factors Influencing Melanin Production ˜The œjournal of investigative dermatology/Journal of investigative dermatology · 2005
    2. Do Hair Bulb Melanocytes Undergo Apoptosis During Hair Follicle Regression (Catagen)? ˜The œjournal of investigative dermatology/Journal of investigative dermatology · 1998
    3. Melanogenesis During the Anagen-Catagen-Telogen Transformation of the Murine Hair Cycle ˜The œjournal of investigative dermatology/Journal of investigative dermatology · 1994