MCPIP1 Controls Effects of Myeloid Cells on Skin Carcinogenesis and Hair Growth

    December 2023 in “ ˜The œjournal of investigative dermatology/Journal of investigative dermatology ”
    Weronika Szukała, Izabela Rumieńczyk, Michał Mikula, Krzysztof Goryca, Leopold Eckhart, Joanna Kozieł, Jolanta Jura, Agata Lichawska-Cieślar
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    Studysummary In a mouse model study, researchers observed that the absence of MCPIP1 in myeloid cells decreased susceptibility to chemically induced skin papillomas but caused significant hair loss and skin pigmentation changes, suggesting a role for MCPIP1 in skin carcinogenesis and follicle integrity.
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    The study investigates the role of MCPIP1 in myeloid cells on skin carcinogenesis and hair growth using a mouse model. Mice lacking MCPIP1 in myeloid cells (Mcpip1MKO) showed resistance to chemically induced papilloma formation but experienced significant hair loss and hyperpigmentation compared to control mice. The Mcpip1MKO mice exhibited reduced keratinocyte proliferation and a marked decrease in hair follicle stem cells, resembling alopecia areata. The study suggests that proinflammatory signals from MCPIP1-deficient myeloid cells lead to hair follicle damage and impaired hair growth, while also suppressing papilloma development. Further research is needed to explore the molecular mechanisms and clinical relevance of MCPIP1-dependent signaling in dermatology.
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