Aantivirals that could combat emerging infectious diseases identified

Written By :  Isra Zaman
Medically Reviewed By :  Dr. Kamal Kant Kohli
Published On 2023-05-02 04:30 GMT   |   Update On 2023-05-02 09:36 GMT
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A new study has identified potential broad-spectrum antiviral agents that can target multiple families of RNA viruses that continue to pose a significant threat for future pandemics. The study tested a library of innate immune agonists that work by targeting pathogen recognition receptors, and found several agents that showed promise, including one that exhibited potent antiviral activity against members of RNA viral families.

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The ongoing SARS-CoV-2 pandemic, which has claimed nearly seven million lives globally since it began, has revealed the vulnerabilities of human society to a large-scale outbreak from emerging pathogens. While accurately predicting what will trigger the next pandemic, the authors say recent epidemics as well as global climate change and the continuously evolving nature of the RNA genome indicate that arboviruses, viruses spread by arthropods such as mosquitoes, are prime candidates.

These include such as Chikungunya virus (CHIKV), Dengue virus, West Nile virus and Zika virus. The researchers write: “Given their already-demonstrated epidemic potential, finding effective broad-spectrum treatments against these viruses is of the utmost importance as they become potential agents for pandemics.”

In their new study, published in Cell Reports Medicine, researchers found that several antivirals inhibited these arboviruses to varying degrees.

The study concludes that the STING agonists exhibited broad-spectrum antiviral activity against both arthropod-borne- and respiratory viruses, including treaded SARS-CoV-2 and Enterovirus D68 in cell culture models.

Reference:

Innate immune pathway modulator screen identifies STING pathway activation as a strategy to inhibit multiple families of arbo and respiratory viruses, Cell Reports Medicine. DOI: https://doi.org/10.1016/j.xcrm.2023.101024

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Article Source : Cell Reports Medicine

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