UVB light plays a crucial role in stimulating melanin production in the skin, a process known as melanogenesis. When the skin is exposed to UVB radiation, it triggers a series of biological responses that lead to increased melanin synthesis: UVB is absorbed by keratinocytes in the epidermis, activating the p53 protein. This activation leads to increased expression of the proopiomelanocortin (POMC) gene. The POMC gene produces alpha-melanocyte stimulating hormone (α-MSH), which is then secreted b
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UVB light plays a crucial role in stimulating melanin production in …
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