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Virus et Interférons : le choc des Titans
Virologie ; 26(2):111, 2022.
Article in French | EMBASE | ID: covidwho-1913051
ABSTRACT
The interferon (IFN) response is a critical arm of the innate immune response and a major host defense mechanism against viral infections. Numerous genes that contribute to this antiviral state remain to be identified and characterized. Using large-scale loss-of-function strategies, we screened siRNAs or gRNAs libraries targeting hundreds of IFNstimulated genes (ISGs) in IFN-treated cells infected with human RNA viruses, including SARS-CoV-2, Zika virus or tick-borne encephalitis virus. We recovered previously unrecognized human genes able to modulate the replication of these RNA viruses in an IFN-dependent manner. For instance, we identified the chromatin remodeling protein MTA2 as a potent flavivirus-specific antiviral factor. Mechanistic studies to decipher the molecular mechanisms by which these novel antiviral genes are functioning are on-going. We are also expanding our studies to the identification and characterization of ISGs in animal species that serve as viral reservoirs, such as bats. Our work should open new perspectives to target weakness points in the life cycle of these emerging RNA viruses.
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Collection: Databases of international organizations Database: EMBASE Language: French Journal: Virologie Year: 2022 Document Type: Article

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Collection: Databases of international organizations Database: EMBASE Language: French Journal: Virologie Year: 2022 Document Type: Article