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In vitro anti-hepatitis B virus effect of Hypericum perforatum L.

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Summary

The anti-hepatitis B virus (HBV) effects and its mechanisms of the ethanol extracts of Hypericum perforatum L. (EHP) in vitro were explored. HepG2 2.2.15 cells, a stable HBV-producing cell line, were cultured as the model system to observe the anti-HBV effect. The viral antigens of cellular secretion, HBsAg and HBeAg, were determined by enzyme linked immunosorbent assay (ELISA). The quantity of HBV-DNA released in the supernatant was assayed by real-time PCR. In order to understand the mechanisms of the suppression of HBV replication, all HBV promoters (Cp, Xp, S1p, S2p and Fp) with luciferase reporter gene were transfected into HepG2 cells respectively. Then the activities of viral promoters were examined by luciferase reporter assay. It was found EHP effectively suppressed the secretion of HBsAg and HBeAg from HepG2 2.2.15 cells in a dose-dependent manner, as well as the extracellular HBV DNA. And EHP could selectively inhibit the activity of HBV promoter Fp. Our data suggest that EHP exerts anti-HBV effects via inhibition of HBV transcription, which helps to elucidate the mechanism underlying the potential therapeutic value of EHP.

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Authors and Affiliations

  1. Department of Hepatology and Infectious Disease, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China

    Ran Pang  (庞 然), Shuling Zhang  (张淑玲), Lei Zhao  (赵 雷) & Pian Ye  (叶 翩)

  2. College of Pharmacy, Hubei College of Traditional Chinese Medicine, Wuhan, 430064, China

    Junyan Tao  (陶君彦)

  3. Food Industry Research Institute of Jiangxi Province, Nanchang, 330029, China

    Jiang Zhu  (朱 江)

  4. State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, 430072, China

    Xin Yue  (乐 鑫) & Ying Zhu  (朱 应)

Authors
  1. Ran Pang  (庞 然)
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  2. Junyan Tao  (陶君彦)
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  3. Shuling Zhang  (张淑玲)
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  4. Jiang Zhu  (朱 江)
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  5. Xin Yue  (乐 鑫)
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  6. Lei Zhao  (赵 雷)
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  7. Pian Ye  (叶 翩)
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  8. Ying Zhu  (朱 应)
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Correspondence to Shuling Zhang  (张淑玲).

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Pang, R., Tao, J., Zhang, S. et al. In vitro anti-hepatitis B virus effect of Hypericum perforatum L.. J. Huazhong Univ. Sci. Technol. [Med. Sci.] 30, 98–102 (2010). https://doi.org/10.1007/s11596-010-0118-0

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  • DOI: https://doi.org/10.1007/s11596-010-0118-0

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