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KMID : 0545120140240111583
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Journal of Microbiology and Biotechnology
2014 Volume.24 No. 11 p.1583 ~ p.1591
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Oral Administration of Lactobacillus plantarum HY7714 Protects Hairless Mouse Against Ultraviolet B-Induced Photoaging
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Kim Hyun-Mee
Lee Dong-Eun
Park Soo-Dong
Kim Yong-Tae
Kim Yu-Jin
Jeong Ji-Woong
Jang Sung-Sik
Ahn Young-Tae
Sim Jae-Hun
Huh Chul-Sung
Chung Dae-Kyun
Lee Jung-Hee
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Abstract
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Ultraviolet (UV) irradiation alters multiple molecular pathways in the skin, thereby inducing skin damage, including photoaging. In recent years, probiotics have gained interest due to their beneficial effects on skin health, such as inhibiting atopic dermatitis and improving skin immunity or inflammation. However, little is known about the effects of probiotics on UVBinduced photoaging. In this study, we evaluated the effect of Lactobacillus plantarum HY7714 against UVB-induced photoaging in human dermal fibroblasts and hairless mice. The results showed that L. plantarum HY7714 treatment effectively rescued UVB-reduced procollagen expression through the inhibition of UVB-induced matrix metalloproteinase (MMP)-1 expression in human dermal fibroblasts. Data from a western blot showed that L. plantarum HY7714 inhibited the phosphorylation of Jun N-terminal kinase, thereby suppressing the UVB-induced phosphorylation and expression of c-Jun. Oral administration of L. plantarum HY7714 clearly inhibited the number, depth, and area of wrinkles in hairless mouse skin. Histological data showed that L. plantarum HY7714 significantly inhibited UVB-induced epidermal thickness in mice. Western blot and zymography data also revealed that L. plantarum HY7714 effectively inhibited MMP-13 expression as well as MMP-2 and -9 activities in dermal tissue. Collectively, these results provide further insight regarding the skin biological actions of L. plantarum HY7714, a potential skin anti-photoaging agent.
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KEYWORD
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Anti-wrinkle, Lactobacillus plantarum, photoaging, probiotic, ultraviolet B (UVB)
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