The Hot-Water Extract of Smilacis Chinae Rhizome Suppresses 2,4-Dinitrochlorobenzene and House Dust Mite-Induced Atopic Dermatitis-Like Skin Lesions in Mice
- Authors
- Ki, Nam Yong; Park, Eun-Ji; Sung, In Sung; Ju, Seul A.; Kim, Kyoung Un; Kim, Mi Rae; Song, Do Yeon; Lee, Min-Ju; Kim, Hak-Soo; Kang, Boo-Hyon; Chung, Hun-Jong; Choi, Eun-Ju; Yoon, Ki-Hun; Lee, Min Won; Yun, Seongho; Min, Bokkee; Kwon, Suk Hyung; Shin, Hwa-Sup
- Issue Date
- Apr-2016
- Publisher
- WILEY
- Keywords
- atopic dermatitis; DFE; DNCB; Smilacis Chinae Rhizome; inflammation; Th1; Th2
- Citation
- PHYTOTHERAPY RESEARCH, v.30, no.4, pp 636 - 645
- Pages
- 10
- Journal Title
- PHYTOTHERAPY RESEARCH
- Volume
- 30
- Number
- 4
- Start Page
- 636
- End Page
- 645
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/7091
- DOI
- 10.1002/ptr.5573
- ISSN
- 0951-418X
1099-1573
- Abstract
- Smilacis Chinae Rhizome (SCR) has been used as an oriental folk medicine for various biological activities. However, its effect on atopic dermatitis (AD) remains undetermined to date. We assessed the effect of orally administered hot-water extract of SCR on AD-like skin lesions in mice and its underlying mechanisms. AD-like murine model was prepared by repeated alternate application of house dust mite (Dermatophagoides farinae) extract (DFE) and 2,4-dinitrochlorobenzene (DNCB) for 4weeks, topically to the ears. Daily oral administration of SCR for 3 and 4weeks significantly reduced inflammatory ear thickening, with the effect being enhanced at the earlier start and longer period of administration. This effect was accompanied by a significant decrease in both Th2 and Th1 serum antibodies (total IgE, DFE-specific IgE, and IgG2a). Histological analysis showed that SCR markedly decreased the epidermal/dermal ear thickening and the dermal infiltration of inflammatory cells. Furthermore, SCR suppressed DFE/DNCB-induced expression of IL-4, IL-13, IL-17, IL-18, TSLP, and IFN- genes in the ear tissue. Taken together, our observations demonstrate that chronic oral administration of SCR exerts beneficial effect in mouse AD model, suggesting that SCR has the therapeutic potential as an orally active treatment of AD by modulating both Th1 and Th2 responses. Copyright (c) 2016 John Wiley & Sons, Ltd.
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