The Kinase Inhibitor SFV785 Dislocates Dengue Virus Envelope Protein from the Replication Complex and Blocks Virus Assembly
2011

SFV785: A Kinase Inhibitor That Disrupts Dengue Virus Assembly

publication Evidence: moderate

Author Information

Author(s): Anwar Azlinda, Hosoya Takamitsu, Leong Kok Mun, Onogi Hiroshi, Okuno Yukiko, Hiramatsu Toshiyuki, Koyama Hiroko, Suzuki Masaaki, Hagiwara Masatoshi, Garcia-Blanco Mariano A.

Primary Institution: Duke-NUS Graduate Medical School, Singapore

Hypothesis

Can SFV785 inhibit dengue virus propagation by targeting host kinases?

Conclusion

SFV785 inhibits dengue virus assembly by altering the distribution of the envelope protein without affecting viral RNA synthesis.

Supporting Evidence

  • SFV785 did not inhibit viral RNA synthesis or translation.
  • Electron microscopy revealed abnormal viral particles lacking nucleocapsids in SFV785-treated cells.
  • SFV785 altered the distribution of the dengue virus envelope protein away from the replication complex.

Takeaway

SFV785 is a special medicine that helps stop the dengue virus from making more copies of itself by messing up how the virus puts itself together.

Methodology

The study involved testing the effects of SFV785 on dengue virus-infected cells, analyzing viral protein and RNA levels, and using electron microscopy to observe viral particle morphology.

Potential Biases

Potential conflicts of interest due to authors' ownership stakes in KinoPharma.

Limitations

The study does not explore the long-term effects of SFV785 or its efficacy in vivo beyond preliminary toxicity data.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023246

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