Regenerative Hair Pigmentation via Skin Organoids: Adaptive Patterning Mediated by Collagen VI and Semaphorin 3C

    July 2025 in “ Advanced Science ”
    Tingting Li, Xinzhu Li, Xiao Xiang … Mingxing Lei
    Studysummary In this study, researchers discovered two new signaling pathways that regulate how melanocytes establish pigment patterns in reconstituted hair-bearing skin, offering insights that could inform strategies to prevent hair greying.
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    Research cited in this study 10

    1. Epidermal-Dermal Coupled Spheroids Are Important for Tissue Pattern Regeneration in Reconstituted Skin Explant Cultures npj regenerative medicine · 2023
    2. Signaling by Senescent Melanocytes Hyperactivates Hair Growth Nature · 2023
    3. Mechanical Force Drives the Initial Mesenchymal-Epithelial Interaction During Skin Organoid Development Theranostics · 2023
    4. The Microfollicle: A Model of the Human Hair Follicle for In Vitro Studies In Vitro Cellular & Developmental Biology - Animal · 2020
    5. Hair-Bearing Human Skin Generated Entirely From Pluripotent Stem Cells Nature · 2020
    6. Regulation of Melanocyte Stem Cells in the Pigmentation of Skin and Its Appendages: Biological Patterning and Therapeutic Potentials Experimental Dermatology · 2018
    7. EdnrB Governs Regenerative Response of Melanocyte Stem Cells by Crosstalk with Wnt Signaling Cell Reports · 2016
    8. Hair Follicle Aging Is Driven by Transepidermal Elimination of Stem Cells via COL17A1 Proteolysis Science · 2016
    9. Coordinated Activation of Wnt in Epithelial and Melanocyte Stem Cells Initiates Pigmented Hair Regeneration Cell · 2011
    10. Hair Follicle Pigmentation: Mechanisms and Factors Influencing Melanin Production ˜The œjournal of investigative dermatology/Journal of investigative dermatology · 2005

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    3. Functionally Distinct Melanocyte Populations Revealed by Reconstitution of Hair Follicles in Mice Pigment Cell & Melanoma Research · 2010
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