Relationship between Aging-Related Skin Dryness and Aquaporins
AbstractSkin function deteriorates with aging, and the dermal water content decreases. In this study, we have analyzed the mechanism of aging-related skin dryness focusing on aquaporins (AQPs), which are the water channels. Mice aged 3 and 20 months were designated as young and aged mice, respectively, to be used in the experiments. No differences were observed in transepidermal water loss between the young mice and aged mice. However, the dermal water content in aged mice was significantly lower than that in young mice, thus showing skin dryness. The expression of AQP1, AQP3, AQP4, AQP7, and AQP9 was observed in the skin. All the mRNA expression levels of these AQPs were significantly lower in aged mice. For AQP3, which was expressed dominantly in the skin, the protein level was lower in aged mice than in young mice. The results of the study showed that the expression level of AQPs in the skin decreased with aging, suggesting the possibility that this was one of the causes of skin dryness. New targets for the prevention and treatment of aging-related skin dryness are expected to be proposed when the substance that increases the expression of AQP3 is found. View Full-Text
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Ikarashi, N.; Kon, R.; Kaneko, M.; Mizukami, N.; Kusunoki, Y.; Sugiyama, K. Relationship between Aging-Related Skin Dryness and Aquaporins. Int. J. Mol. Sci. 2017, 18, 1559.
Ikarashi N, Kon R, Kaneko M, Mizukami N, Kusunoki Y, Sugiyama K. Relationship between Aging-Related Skin Dryness and Aquaporins. International Journal of Molecular Sciences. 2017; 18(7):1559.Chicago/Turabian Style
Ikarashi, Nobutomo; Kon, Risako; Kaneko, Miho; Mizukami, Nanaho; Kusunoki, Yoshiki; Sugiyama, Kiyoshi. 2017. "Relationship between Aging-Related Skin Dryness and Aquaporins." Int. J. Mol. Sci. 18, no. 7: 1559.
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