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Organotypic modeling of SARS-CoV-2 lung and brainstem infection

Abstract : Abstract SARS-CoV-2 has caused a global pandemic of Covid-19 since its emergence in December 2019. The infection causes a severe acute respiratory syndrome and may also lead to central nervous system infection and neurological sequelae. We developed and characterized two new organotypic cultures from hamster brainstem and lung tissues that offer the unique opportunity to study the early steps of the pathogenesis and screening of antivirals. Using these models, we validated the early tropism of the virus in the lung and demonstrated that SARS-CoV2 can infect brainstem and cerebellum, mainly by targeting granular neurons. Viral infection induced specific interferon and innate immune responses with patterns specific to each organ along with apoptotic, necroptotic, and pyroptotic cell death. Overall, our data illustrate the potential of rapidly modeling complex tissue level interactions of viral infection in a newly emerged virus.
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Contributor : Cyrille Mathieu Connect in order to contact the contributor
Submitted on : Wednesday, November 17, 2021 - 2:26:19 PM
Last modification on : Saturday, November 20, 2021 - 3:36:50 AM
Long-term archiving on: : Friday, February 18, 2022 - 8:10:06 PM


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Marion Ferren, Valérie Favede, Didier Decimo, Mathieu Iampietro, Nicole Lieberman, et al.. Organotypic modeling of SARS-CoV-2 lung and brainstem infection. 2021. ⟨hal-03357634⟩



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