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CLC number: R965.1

On-line Access: 2014-06-07

Received: 2013-12-05

Revision Accepted: 2014-03-16

Crosschecked: 2014-05-19

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Journal of Zhejiang University SCIENCE B 2014 Vol.15 No.6 P.533-539

http://doi.org/10.1631/jzus.B1300307


Green tea polyphenol, epigallocatechin-3-gallate, possesses the antiviral activity necessary to fight against the hepatitis B virus replication in vitro *


Author(s):  Jing-yao Pang1, Kui-jun Zhao1, Jia-bo Wang2, Zhi-jie Ma1, Xiao-he Xiao3

Affiliation(s):  1. Clinical Pharmacy Laboratory, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; more

Corresponding email(s):   pharm_sci@126.com

Key Words:  Epigallocatechin-3-gallate, Hepatitis B virus (HBV), Antiviral activity, HepG2 2.2.15, Lamivudine


Jing-yao Pang, Kui-jun Zhao, Jia-bo Wang, Zhi-jie Ma, Xiao-he Xiao. Green tea polyphenol, epigallocatechin-3-gallate, possesses the antiviral activity necessary to fight against the hepatitis B virus replication in vitro[J]. Journal of Zhejiang University Science B, 2014, 15(6): 533-539.

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author="Jing-yao Pang, Kui-jun Zhao, Jia-bo Wang, Zhi-jie Ma, Xiao-he Xiao",
journal="Journal of Zhejiang University Science B",
volume="15",
number="6",
pages="533-539",
year="2014",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B1300307"
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%T Green tea polyphenol, epigallocatechin-3-gallate, possesses the antiviral activity necessary to fight against the hepatitis B virus replication in vitro
%A Jing-yao Pang
%A Kui-jun Zhao
%A Jia-bo Wang
%A Zhi-jie Ma
%A Xiao-he Xiao
%J Journal of Zhejiang University SCIENCE B
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%I Zhejiang University Press & Springer
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T1 - Green tea polyphenol, epigallocatechin-3-gallate, possesses the antiviral activity necessary to fight against the hepatitis B virus replication in vitro
A1 - Jing-yao Pang
A1 - Kui-jun Zhao
A1 - Jia-bo Wang
A1 - Zhi-jie Ma
A1 - Xiao-he Xiao
J0 - Journal of Zhejiang University Science B
VL - 15
IS - 6
SP - 533
EP - 539
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.B1300307


Abstract: 
Although several antiviral drugs and vaccines are available for use against hepatitis B virus (HBV), hepatitis caused by HBV remains a major public health problem worldwide, which has not yet been resolved, and new anti-HBV drugs are in great demand. The present study was performed to investigate the anti-HBV activity of epigallocatechin-3-gallate (EGCG), a natural-origin compound, in hepG2 2.2.15 cells. The antiviral activity of EGCG was examined by detecting the levels of HBsAg and HBeAg in the supernatant and extracellular HBV DNA. EGCG effectively suppressed the secretion of HBsAg and HBeAg from hepG2 2.2.15 cells in a dose- and time-dependent manner, and it showed stronger effects at the level of 0.11–0.44 μmol/ml (50–200 μg/ml) than lamivudine (3TC) at 0.87 μmol/ml (200 μg/ml). EGCG also suppressed the amount of extracellular HBV DNA. The data indicated that EGCG possessed anti-HBV activity and suggested the potential of EGCG as an effective anti-HBV agent with low toxicity.

绿茶多酚表没食子儿茶素没食子酸酯(EGCG)体外对抗乙肝病毒复制的能力

研究目的:乙肝是尚未解决的公众健康问题,需要开发新型抗病毒药物。本研究拟从天然植物绿茶中寻找有效、经济、毒副作用低的抗乙肝病毒药物。
创新要点:首次以HepG2 2.2.15细胞为载体,发现EGCG对乙肝病毒HBsAg、HBeAg和HBV DNA的选择性作用。
研究方法:采用酶联免疫吸附实验(ELISA)检测细胞上清中HBsAg和HBeAg的含量,采用反转录聚合酶链反应(RT-PCR)检测上清和细胞内HBV DNA的含量。
重要结论:EGCG的浓度在0.11~0.44 μmol/ml(即50~200 μg/ml)的范围内能有效抑制HepG2 2.2.15细胞中HBsAg和HBeAg的分泌,其效果甚至优于浓度为0.87 μmol/ml(即200 μg/ml)的拉米夫定(3TC),并且具有时间和剂量依赖性。同时,EGCG也能抑制胞外HBV DNA的表达。研究结果表明,EGCG具有良好抗病毒活性和低毒副作用,有望开发成为一种新的抗病毒药物。

关键词:EGCG;乙肝病毒(HBV);抗病毒;HepG2 2.2.15细胞;拉米夫定

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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