지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제37권 제9호
- 발행연도
- 2014.1
- 수록면
- 1,117 - 1,123 (7page)
이용수
초록· 키워드
오류제보하기
Rheum palmatum, Chinese traditional herb, exhibits a great variety of anti-cancer and anti-viruses properties. This study rates antiviral activity of R. palmatum extracts and its components against Japanese encephalitis virus (JEV) in vitro. Methanol extract of R. palmatum contained higher levels of aloe emodin, chrysophanol, rhein, emodin and physcion than water extract. Methanol extract ($IC_{50}=15.04{\mu}g/ml$) exhibited more potent inhibitory effects on JEV plaque reduction than water extract ($IC_{50}=51.41{\mu}g/ml$). Meanwhile, $IC_{50}$ values determined by plaque reduction assay were $15.82{\mu}g/ml$ for chrysophanol and $17.39{\mu}g/ml$ for aloe-emodin, respectively. Virucidal activity of agents correlated with anti-JEV activity, while virucidal $IC_{50}$ values were $7.58{\mu}g/ml$ for methanol extract, $17.36{\mu}g/ml$ for water extract, $0.75{\mu}g/ml$ for chrysophanol and $0.46{\mu}g/ml$ for aloe-emodin, respectively. In addition, $10{\mu}g/ml$ of extract, chrysophanol or aloe emodin caused 90 % inhibition of JEV yields in cells and significantly activated gamma activated sequence-driven promoters. Hence, methanol extract of R. palmatum and chrysophanol with high therapeutic index might be useful for development of antiviral agents against JEV.
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