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KMID : 1161420220250030338
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Journal of Medicinal Food
2022 Volume.25 No. 3 p.338 ~ p.340
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Correction to: GT Collagen Improves Skin Moisturization in UVB-Irradiated HaCaT Cells and SKH-I Hairless Mice, by Park, et al. J Med Food, 2021;24(12):1313?1322; doi: 10.1089/jmf.2021.K.0089
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Park Soo-Jeung
Kim Da-Kyung
Lee Min-Hee
Yang Joo-Hwan
Yang Joon-Sung
Lee Jeong-Min
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Abstract
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We investigated the effects of GT collagen (Geltech low-molecular-weight fish collagen, FC) on skin moisturization in ultraviolet B (UVB)-irradiated HaCaT cells and SKH-I hairless mice. In vitro, we measured the expression of mRNA genes and proteins related to the skin moisturizing mechanism, hyaluronic acid concentrations, and sphingomyelin concentrations. As a result, FC increased the expression of LCB1, DEGS1, elastin, UGTrel7, and GlcNAc mRNA in UVB-irradiated HaCaT cells. Also, hyaluronic acid level, sphingomyelin level, and protein expressions of hyaluronan synthase (HAS)2 and CerS4 were increased compared to those in the UVB-irradiated control group. In vivo, we measured skin hydration through the expression of mRNA genes and proteins related to the skin moisturizing mechanism and found that the protein expression of HAS2 and CerS4 was increased in the groups taking FC. Moreover, FC intake increased the expression of LCB1, DEGS1, fibrilin-1, UGTrel8, and GlcNAc mRNA in UVB-irradiated SKH-I hairless mice. These results suggest that FC can be utilized to develop products aimed at improving skin moisturization.
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