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Abstract Title:

Solanum tuberosum L. cv Jayoung Epidermis Extract Inhibits Mite Antigen-Induced Atopic Dermatitis in NC/Nga Mice by Regulating the Th1/Th2 Balance and Expression of Filaggrin.

Abstract Source:

J Med Food. 2015 Jun 23. Epub 2015 Jun 23. PMID: 26102094

Abstract Author(s):

Gabsik Yang, Se-Yun Cheon, Kyung-Sook Chung, Sung-Jin Lee, Chul-Hee Hong, Kyung-Tae Lee, Dae-Sik Jang, Jin-Cheol Jeong, Oh-Keun Kwon, Jung-Hwan Nam, Hyo-Jin An

Article Affiliation:

Gabsik Yang

Abstract:

Solanum tuberosum L. cv Jayoung (JY) is a potato with dark purple flesh and contains substantial amounts of polyphenols. In this study, we evaluated the therapeutic effects of S. tuberosum L. cv JY in a mouse model of Dermatophagoides farinae body (Dfb)-induced atopic dermatitis (AD). The ethanol extract of the peel of JY (EPJ) ameliorated Dfb-induced dermatitis severity, serum levels of immunoglobulin E (IgE) and thymus and activation-regulated chemokine. Histological analysis of the skin also revealed that EPJ treatment significantly decreased mast cell infiltration. The suppression of dermatitis by EPJ treatment was accompanied by a decrease in the skin levels of type 2 helper T-cell cytokines such as interleukin (IL)-4, IL-5, and IL-13. The induction of thymic stromal lymphopoietin, which leads to a systemic Th2 response, was also decreased in the skin by EPJ. Nuclear translocation of nuclear factor-κB p65 was decreased by EPJ in Dfb-induced NC/Nga mice. The protein expression of filaggrin in the AD-like skin lesions was restored by EPJ treatment. These results suggested that EPJ may be a potential therapeutic tool for the treatment of AD.

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