Association between non-melanoma and melanoma skin cancer rates, vitamin D and latitude

Oncology Letters
Miguel RivasMarcelo de Paula Corrêa

Abstract

Vitamin D synthesis takes place in the skin due to solar ultraviolet-B (UVB) radiation. Several studies have shown the association between low sun exposure, non-melanoma skin cancer (NMSC) and a lack of vitamin D synthesis. Since such synthesis in the body depends on the exposure of the skin to solar UVB radiation (290-320 nm), experimental measurements of this type of solar radiation are important. Tarapaca University in Arica, Chile, established a solar UV radiation laboratory in 2006 and since then this laboratory has performed systematic experimental solar UVB measurements using a calibrated biometer instrument. The results, which are presented in the current study, showed the association between NMSC and MSC rates, and the time required to produce 1,000 IU vitamin D with latitudinal variation. Solar UV index (UVI) levels reported in 6 cities from the north to the south of Chile indicated that the UVI ratio of monthly mean values was 1.8 times higher in Arica than in Punta Arenas in January (summer in Chile), whereas it was 14 times higher in June (winter). This factor is an important consideration, since vitamin D synthesis is directly associated with the exposure of individuals to solar UVB radiation. A similar trend was ...Continue Reading

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Citations

May 28, 2019·Journal of Cutaneous Medicine and Surgery·Feras M GhazawiIvan V Litvinov
Jun 23, 2020·Journal of Cancer Education : the Official Journal of the American Association for Cancer Education·Adem Sümen, Selma Öncel
Jun 18, 2020·Frontiers in Neurology·Abhimanyu MahajanAlberto J Espay
Jan 10, 2021·Nature Communications·Pierre FontanillasAdam Auton
Oct 13, 2020·Journal of Photochemistry and Photobiology. B, Biology·Miguel RivasMaría C Araya
Dec 29, 2020·Multiple Sclerosis and Related Disorders·Espen BenjaminsenKarl Bjørnar Alstadhaug
Mar 12, 2021·Osteoporosis International : a Journal Established As Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·G YangT P Lam
Jun 3, 2021·International Journal of Environmental Research and Public Health·Friedo Zölzer, Stefan Bauer

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