Publication: Epidermal Barrier Function and Skin Homeostasis in Atopic Dermatitis: The Impact of Age.
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2022-01-17
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Montero-Vilchez, Trinidad
Cuenca-Barrales, Carlos
Rodriguez-Pozo, Juan-Angel
Diaz-Calvillo, Pablo
Tercedor-Sanchez, Jesús
Martinez-Lopez, Antonio
Molina-Leyva, Alejandro
Arias-Santiago, Salvador
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Abstract
Skin is damaged in atopic dermatitis (AD) patients. Age is also believed to have a negative effect on epidermal barrier function. The aim of this study was to investigate skin barrier function changes with age in AD patients. A cross-sectional study was conducted including 162 participants, 81 AD patients and 81 healthy volunteers. Skin barrier function parameters, such as transepidermal water loss (TEWL), erythema, temperature, stratum corneum hydration (SCH), pH, and elasticity, were evaluated. Healthy volunteers were evaluated on the volar forearm. AD patients were measured on two regions: on an eczematous lesion on the volar forearm and on a non-involved area 5 cm from the affected area. TEWL was lower on healthy skin than uninvolved AD skin (9.98 vs. 25.51 g·m-2·h-1, p
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aging, atopic dermatitis, skin barrier, stratum corneum