In vitro and in vivo anti-hepatitis B virus activities of a plant extract from Geranium carolinianum L

Antiviral Research
Jiyang LiPei Zhou

Abstract

Natural products provide a large reservoir of potentially active agents with anti-hepatitis B virus (HBV) activity. We examined the effect of the polyphenolic extract from Geranium carolinianum L. (PPGC) on HBV replication both in vitro and in vivo. In the human HBV-transfected liver cell line HepG(2) 2.2.15, PPGC effectively suppressed the secretion of the HBV antigens in a dose-dependent manner with IC(50) values of 46.85 microg/ml for HBsAg and 65.60 microg/ml for HBeAg at day 9. Consistent with the HBV antigen reduction, PPGC (100 microg/ml) also reduced HBV DNA level by 35.9%. In the duck hepatitis B virus (DHBV) infected ducks, after PPGC was dosed intragastricly (i.g.) once a day for 10 days, the plasma DHBV DNA level was reduced, with an ED(50) value of 47.54 mg/kg. In addition, Southern blot analysis confirmed the in vivo anti-HBV effect of PPGC in ducks and PPGC also reduced the plasma and the liver DHBV DNA level in a dose-dependent manner. Furthermore, significant improvement of the liver was observed after PPGC treatment, as evaluated by the histopathological analysis.

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Citations

Feb 16, 2010·Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban·Ran PangYing Zhu
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Mar 1, 2019·Virology Journal·Siti Aisyah Abdul AhmadSharifah Syed Hassan
Jul 5, 2017·Experimental and Therapeutic Medicine·Ahmed Hassan ArbabAdnan Jathlan Al-Rehaily
Jul 17, 2019·Current Drug Discovery Technologies·Khojasteh MalekmohammadRobert D E Sewell
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Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban
Ran PangYing Zhu
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