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A Small interfering RNA lead targeting RNA-dependent RNA-polymerase effectively inhibit the SARS-CoV-2 infection in Golden Syrian hamster and Rhesus macaque

Gu, S. H.; Yu, C. H.; Song, Y.; Kim, N. Y.; Sim, E.; Choi, J. Y.; Song, D. H.; Hur, G. H.; Shin, Y. K.; Jeong, S. T.

2020-07-07 microbiology
10.1101/2020.07.07.190967 bioRxiv
Show abstract

A small interfering RNA (siRNA) inhibitors have demonstrated the novel modality for suppressing infectious diseases. Sixty-one siRNA molecules, predicted by the bioinformatics programs, were screened for the possibility of treating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using an in vitro plaque assay. Among six siRNA leads with the efficacy of reducing plaque number, the siRNA targeting RNA-dependent RNA polymerase (RdRp) showed a reduction in SARS-CoV-2 infection-induced fever and virus titer in the Golden Syrian hamster and rhesus macaque. These results suggest the potential for RdRp targeting siRNA as a new treatment for the coronavirus disease 2019 (COVID-19).Competing Interest StatementThe authors have declared no competing interest.View Full Text

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