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Archives of Virology

, Volume 164, Issue 2, pp 585–593 | Cite as

Baicalein and baicalin as Zika virus inhibitors

  • Adrian Oo
  • Boon Teong Teoh
  • Sing Sin Sam
  • Sazaly Abu Bakar
  • Keivan ZandiEmail author
Brief Report

Abstract

At present, there is no effective antiviral agent for Zika virus (ZIKV), an arbovirus that is known for its teratogenic effects on newborns. Baicalein and baicalin were found to be capable of downregulating ZIKV replication up to 10 hours postinfection, while prophylactic effects were evident in pre-treated cells. Baicalein exhibited its highest potency during intracellular ZIKV replication, whereas baicalin was most effective against virus entry. Our in silico interaction assays predicted that both compounds exhibited the strongest binding affinities towards ZIKV NS5, while the virus envelope glycoprotein was the least likely target protein. These findings serve as a crucial platform for further in-depth studies to decipher the underlying anti-ZIKV mechanism(s) of each compound.

Notes

Acknowledgement

This work was funded by the University of Malaya via a Postgraduate Research Grant (PPP) (PG151-2016A).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval and informed consent

This study does not involve any human participants or animals in any of its experimental procedures.

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2018

Authors and Affiliations

  • Adrian Oo
    • 1
  • Boon Teong Teoh
    • 1
  • Sing Sin Sam
    • 1
  • Sazaly Abu Bakar
    • 1
  • Keivan Zandi
    • 1
    • 2
    Email author
  1. 1.Tropical Infectious Disease Research and Education Centre, Department of Medical MicrobiologyUniversity of MalayaKuala LumpurMalaysia
  2. 2.Laboratory of Biochemical Pharmacology, Department of Pediatrics, School of MedicineEmory UniversityAtlantaUSA

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