Virologica Sinica

, Volume 34, Issue 3, pp 315–323 | Cite as

Inhibition of Herpes Simplex Virus-1 Replication by Natural Compound Honokiol

  • Shuai Liu
  • Long Li
  • Lingbing Tan
  • Xiaozhen LiangEmail author


Honokiol is a pleiotropic natural compound isolated from Magnolia and has multiple biological and clinically relevant effects, including anticancer and antimicrobial function. However, the antiviral activity of honokiol has not yet been well studied. Here we showed that honokiol had no effect on herpes simplex virus-1 (HSV-1) entry, but inhibited HSV-1 viral DNA replication, gene expression and the production of new progeny viruses. The combination of honokiol and clinical drug acyclovir augmented inhibition of HSV-1 infection. Our results illustrate that honokiol could be a potential new candidate for clinical consideration in the treatment of HSV-1 infection alone or combination with other therapeutics.


Honokiol Herpes simplex virus-1 (HSV-1) Viral replication Anti-viral activity Acyclovir 



We thank Dr. Chunfu Zheng (Fujian Medical University) for providing the HSV-1-GFP virus. This work was supported by the grant from National Key Research and Development Program (2016YFA0502100).

Author Contributions

XL conceived and designed the experiments. SL, LL and LT performed the experiments and analyzed the data. XL wrote and finalized the manuscript. All authors read and approved the final manuscript.

Compliance with Ethical Standards

Conflicts of interest

The authors declare that they have no conflict of interest.

Animal and Human Rights Statement

All animal studies were conducted following protocols approved by the Institutional Animal Care and Usage Committee of Institut Pasteur of Shanghai, Chinese Academy of Sciences.


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Copyright information

© Wuhan Institute of Virology, CAS 2019

Authors and Affiliations

  • Shuai Liu
    • 1
    • 2
  • Long Li
    • 1
    • 2
  • Lingbing Tan
    • 1
    • 2
  • Xiaozhen Liang
    • 2
    Email author
  1. 1.University of Chinese Academy of Sciences, Chinese Academy of SciencesBeijingChina
  2. 2.Key Laboratory of Molecular Virology & ImmunologyInstitut Pasteur of ShanghaiShanghaiChina

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