Change of biophysical properties of the skin caused by ultraviolet radiation-induced photodamage in Koreans

Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)
S H LimY B Choe

Abstract

Ultraviolet (UV) irradiation affects the function and complexion of the skin by inducing changes in physical properties through formation of erythema, proliferation of epithelial cells, DNA damage, activation or inactivation of various enzymes and proteins, and free radical formation. In this study, the authors intended to observe the overall course of changes in barrier function and reflectance of the skin induced by photodamage, and healing reaction in the course of time, and alteration of the skin complexion. The subjects were chosen from 15 healthy Korean men 20-35 in age, that fall into the category of Fitzpatrick's skin types II, III, and IV without history of recent exposure to sunlight, photosensitivity, or having taken any drugs that induce phototoxicity or photoallergic reactions. The subjects were artificially exposed to suberythemogenic dose [0.5 minimal erythemal dose (MED), 0.75 MED], 1 MED and high dose (2.5 MED) by solar simulator, and changes in skin barrier function and skin reflectance were assessed with a Tewameter, a Corneometer, and a Colorimeter for 4 weeks. Transepidermal water loss (TEWL) increased abruptly at Day 1 of single solar UV (SSUV) exposure, and slowly returned to the original level from Day 2...Continue Reading

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Citations

Aug 7, 2009·Photochemistry and Photobiology·Lucie DuracherGilberte Marti-Mestres
Jul 23, 2009·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Y TianW Liu
Aug 2, 2016·Oxidative Medicine and Cellular Longevity·Bing-Rong ZhouDan Luo
Jun 4, 2014·Dermatologic Clinics·Anne HanSewon Kang
Dec 3, 2014·The Psychiatric Clinics of North America·Edgardo Rodriguez-Vallecillo, Michel A Woodbury-Fariña
Jan 1, 2013·Journal of Photochemistry and Photobiology. B, Biology·Qian GaoYang Liu
Aug 11, 2016·International Journal of Cosmetic Science·I LozanoG Loussouarn
Dec 7, 2020·International Journal of Dermatology·Andrea SechiIria Neri

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