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Clin Exp Dermatol ; 43(7): 798-805, 2018 Oct.
Article in English | MEDLINE | ID: mdl-29740850

ABSTRACT

BACKGROUND: Artemisia scoparia Waldst. et Kitaib (AS) (Oriental wormwood, known as Bissuk in Korea) is a plant used in cosmetic and pharmaceutical treatments. However, the effect of AS on atopic dermatitis (AD) has not been described. AIM: To examine the inhibitory effect of AS on AD using a murine model. METHODS: We applied either AS, the butanol-extracted fraction of AS (Bu-OH) or 3,5-dicaffeoyl-epi-quinic acid (DEQA, a major component of Bu-OH) topically for 3 weeks to 2,4-dinitrofluorobenzene (DNFB)-induced skin lesions in BALB/c mice. RESULTS: AS, Bu-OH and DEQA suppressed the clinical symptoms of DNFB-induced skin lesions and he associated scratching behaviour. Numbers of inflammatory cells infiltrating skin lesions were significantly reduced by AS or Bu-OH application but not by DEQA. In addition, AS significantly suppressed serum levels of histamine and IgE, while Bu-OH significantly suppressed serum levels of histamine, IgE, thymic stromal lymphopoietin (TSLP), interleukin (IL)-4 and IL-6, and DEQA significantly suppressed serum levels of histamine, IgE, TSLP and IL-4 in DNFB-induced AD mice. In skin lesions, AS and Bu-OH significantly reduced inflammatory cytokines, whereas DEQA did not. AS, Bu-OH and DEQA all significantly suppressed caspase-1 activities. CONCLUSIONS: These results demonstrate the anti-AD effects of AS, Bu-OH and DEQA, and suggest that all three have therapeutic potential.


Subject(s)
Artemisia , Caspase 1/metabolism , Chlorogenic Acid/analogs & derivatives , Dermatitis, Atopic/drug therapy , Phytotherapy , Plant Extracts/therapeutic use , Administration, Topical , Animals , Caspase 1/genetics , Chlorogenic Acid/therapeutic use , Dermatitis, Atopic/chemically induced , Dermatitis, Atopic/metabolism , Dermatitis, Atopic/pathology , Dinitrofluorobenzene , Disease Models, Animal , Medicine, Korean Traditional , Mice , Mice, Inbred BALB C , RNA, Messenger/metabolism , Skin/pathology
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