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Hamster 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 spread to central nervous system leading to neurological sequelae. We have developed and characterized two new organotypic cultures from hamster brainstem and lung tissues that offer a unique opportunity to study the early steps of viral infection and screening antivirals. These models are not dedicated to investigate how the virus reaches the brain. However, they allow validating the early tropism of the virus in the lungs and demonstrating that SARS-CoV-2 could infect the brainstem and the cerebellum, mainly by targeting granular neurons. Viral infection induces specific interferon and innate immune responses with patterns specific to each organ, along with cell death by apoptosis, necroptosis, and pyroptosis. Overall, our data illustrate the potential of rapid modeling of complex tissue-level interactions during infection by a newly emerged virus.
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https://hal.archives-ouvertes.fr/hal-03370276
Contributor : Cyrille Mathieu Connect in order to contact the contributor
Submitted on : Friday, October 15, 2021 - 10:39:54 AM
Last modification on : Tuesday, October 19, 2021 - 10:33:56 AM

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Ferren et al. Nature comm 2021...
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Marion Ferren, Valérie Favède, Didier Decimo, Mathieu Iampietro, Nicole Lieberman, et al.. Hamster organotypic modeling of SARS-CoV-2 lung and brainstem infection. Nature Communications, Nature Publishing Group, 2021, 12 (1), ⟨10.1038/s41467-021-26096-z⟩. ⟨hal-03370276⟩

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