Abstract Hantaviruses are zoonotic negative-sense RNA viruses that cause haemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS), yet no approved antiviral therapies are available. To identify host-directed modulators of hantavirus infection we performed a drug repurposing screen using live Puumala virus (PUUV). We identified and validated 70 drugs with antiviral activity in A549 cells and primary human endothelial cells. Functional clustering confirmed the known infection-inhibitory effect of several groups of compounds, including inhibitors of heat shock proteins, mTOR pathway and nucleotide synthesis. Our screen also identified compounds yet unexplored as antivirals against Hantaviruses, such as certain antibiotics. Our dataset provides a systematic map of host pathways influencing PUUV infection and highlights candidate compounds and cellular processes that can modulate this process.
Christ et al. (Thu,) studied this question.
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