Evaluation of kinase inhibitors as potential therapeutics for flavivirus infections

The recent introduction of Zika virus (ZIKV), the recurrence of dengue virus (DENV), and the lethality of yellow fever virus (YFV) have had a significant impact on Brazilian society and public health. Here, we targeted two cellular kinases implicated in cell proliferation and cancer that are also im...

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Veröffentlicht in:Archives of virology 2021-05, Vol.166 (5), p.1433-1438
Hauptverfasser: Valencia, Hugo J., de Aguiar, Mara C. A. M., Costa, Mariana A., Mendonça, Diogo C., Reis, Erik V., Arias, Nídia E. C., Drumond, Betânia P., Bonjardim, Cláudio A.
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container_end_page 1438
container_issue 5
container_start_page 1433
container_title Archives of virology
container_volume 166
creator Valencia, Hugo J.
de Aguiar, Mara C. A. M.
Costa, Mariana A.
Mendonça, Diogo C.
Reis, Erik V.
Arias, Nídia E. C.
Drumond, Betânia P.
Bonjardim, Cláudio A.
description The recent introduction of Zika virus (ZIKV), the recurrence of dengue virus (DENV), and the lethality of yellow fever virus (YFV) have had a significant impact on Brazilian society and public health. Here, we targeted two cellular kinases implicated in cell proliferation and cancer that are also important for viral replication: mitogen-activated protein kinase kinase (MEK) and Src. We used two MEK inhibitors – trametinib and selumetinib – and two Src inhibitors – saracatinib and bosutinib – to inhibit ZIKV, DENV, and YFV replication in cell culture. The cytotoxicity of the four inhibitors was determined by the observation of abnormal morphology and quantification of adherent cells by crystal violet staining. The antiviral activity of these drugs was assessed based on the reduction of plaque-forming units in cell culture as evidence of the inhibition of the replication of the selected flaviviruses. All four inhibitors showed antiviral activity, but among them, trametinib was the safest and most efficacious against all of the viruses, inhibiting the replication of ZIKV and YFV by 1000-fold, and DENV2/3 by nearly 100-fold. This pan-antiviral effect shows that trametinib could be repurposed for the treatment of flaviviral infections.
doi_str_mv 10.1007/s00705-021-05021-1
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subjects Adherent cells
Animals
Antiviral activity
Antiviral agents
Antiviral Agents - pharmacology
Biomedical and Life Sciences
Biomedicine
Brief Report
Cell culture
Cell Line
Cell proliferation
Cell Survival - drug effects
Chlorocebus aethiops
Cricetinae
Cytology
Cytotoxicity
Dengue fever
Flavivirus - classification
Flavivirus - drug effects
Flavivirus - physiology
Infectious Diseases
Kinases
Lethality
MAP kinase
Medical Microbiology
MEK inhibitors
Mitogen-Activated Protein Kinase Kinases - antagonists & inhibitors
Protein kinase
Protein Kinase Inhibitors - pharmacology
Public health
Replication
Src protein
src-Family Kinases - antagonists & inhibitors
Vero Cells
Virology
Virus Replication - drug effects
Viruses
title Evaluation of kinase inhibitors as potential therapeutics for flavivirus infections
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