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논문 기본 정보

자료유형
학술저널
저자정보
Kang, Gyeoung-Jin (Department of pharmacology, School of Medicine, Cheju National University) Lee, Hye-Ja (Department of pharmacology, School of Medicine, Cheju National University) Yoon, Weon-Jong (Department of pharmacology, School of Medicine, Cheju National University) Yang, Eun-Jin (Department of pharmacology, School of Medicine, Cheju National University) Park, Sun-Son (Department of pharmacology, School of Medicine, Cheju National University) Kang, Hee-Kyoung (Department of pharmacology, School of Medicine, Cheju National University) Park, Myung-Hwan (GyeongGi Bio-Center) Yoo, Eun-Sook (Department of pharmacology, School of Medicine, Cheju National University)
저널정보
한국응용약물학회 Biomolecules & Therapeutics(구 응용약물학회지) Biomolecules & therapeutics 제16권 제4호
발행연도
2008.1
수록면
394 - 402 (9page)

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Atopic dermatitis (AD) is an inflammatory skin disease commonly characterized by infiltration of inflammatory cells into skin lesions. Keratinocytes produce many chemokines that are involved in the pathogenesis of skin disorders. In particular, macrophage-derived chemokine (MDC/CCL22) and thymus and activationregulated chemokine (TARC/CCL17) are Th2-type cytokines. Serum MDC and TARC levels are increased in AD patients. In this study, we investigated the anti-inflammatory effect and mechanism of action of the active fraction from Prunus yedoensis bark. We evaluated their inhibitory effects on the AD-like inflammatory markers (MDC and TARC) and JAK-STAT pathway (STAT1) in HaCaT keratinocytes. The EtOAc fraction of the crude extract (80% EtOH) and the E5 sub-fraction potently inhibited the induction of MDC and TARC mRNA and protein at 50 ${\mu}g$/mL in HaCaT cells. In addition, the E5 sub-fraction inhibited the phosphorylation of STAT1 protein associated with IFN-$\gamma$ signaling transduction in a dose-dependent manner. Thus, P. yedoensis may have antiatopic activity by suppressing the inflammatory chemokines (MDC and TARC).

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