Zebrafish similarities with humans make them helpful models to study skin conditions like vitiligo and melanoma

Melanocytes are a small subset of epidermal cells that play an outsize role in protecting your skin from the damaging effects of sun exposure. They do this by synthesizing melanins, which are pigments sent to other skin cells to shield them from harmful ultraviolet light. A lack of functioning melanocytes causes a wide range of skin conditions, including skin cancer and vitiligo, an autoimmune condition in which the body attacks melanocytes and causes patches of depigmented skin.

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