Determining the Secondary Role of UV Light in Swimmers' Melanoma Genesis
January 2022
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New to catalase? There is a guide in the encyclopedia. Read the guide → Studysummary This review concludes that exogenous hydrogen peroxide, rather than UV light, is likely the key factor in the development of cutaneous melanoma in swimmers, as it can penetrate water-submerged hair follicles.
Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
This study explores the higher incidence of cutaneous melanoma in swimmers compared to non-swimmers, suggesting that hydrogen peroxide (H2O2) plays a primary role in melanoma genesis, with UV light being secondary. H2O2, produced by keratinocytes, can diffuse into melanocytes and potentially contribute to melanoma development. It can enter hair follicles through the hair shaft/skin junction or damaged follicular walls when submerged in water. The decomposition of H2O2 by catalase may lead to the formation of melanoma tumor cells, which then spread to surrounding tissues. The study highlights the importance of H2O2 as a key factor in the causation of cutaneous melanoma in swimmers.
