Study on antiviral activities and Type I interferon induction by aloe emodin

ASIA unversity > 醫學暨健康學院 > 生物科技學系 > 博碩士論文 > Item 310904400/2495

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题名:	Study on antiviral activities and Type I interferon induction by aloe emodin
作者:	wu chia fang
贡献者:	Department of Biotechnology
关键词:	Aloe-emodin
日期:	2007
上传时间:	2009-11-06 06:10:47 (UTC+0)
出版者:	Asia University
摘要:	Aloe-emodin have been demonstrated to have various biological activities, including antibacterial, antiviral and anti-tumor effects. The goal of this study is to defermin the antiviral effects of aloe-emodin against Japanese encephalitis virus(JEV)，enterovirus 71(EV71) and influenza A (INF A) virus via in vitro assay. Aloe-emodin possessed low cytotoxicity to HL-CZ，TE671 and MDCK (50% cytotoxicity concentration CC50> 1000 ug/mL) cells. The 50% inhibiting concentration (IC50) of aloe emodin against JEV was 1.51 ug/mL and 0.5 ug/mL in TE671cell and HL-CZ cell,respectively. The IC50 against EV 71 was 0.14 ug/mL and 0.52 ug/mL in TE671 and HLCZ cell. In addition, the IC50 against INF A was 1.45ug/mL for aloe-emodin. Moreover, signaling pathway assay with cis-reproter vectors demonstrated induction of interferon (IFN)-triggered signal transduction pathways by aloe-emodin. Differences were considered significant (ρ<0.05). Real-time PCR analyses showed PKR and 2'5'-OAS mRNA levels from treated cells with aloe-emodin. ELISA analyses show that interferon α increases from treated cell with aloe emodin.
显示于类别:	[生物科技學系] 博碩士論文

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