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mBio ; 14(5): e0045123, 2023 Oct 31.
Artigo em Inglês | MEDLINE | ID: mdl-37623322

RESUMO

IMPORTANCE: The relevance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ORF8 in the pathogenesis of COVID-19 is unclear. Virus natural isolates with deletions in ORF8 were associated with wild milder disease, suggesting that ORF8 might contribute to SARS-CoV-2 virulence. This manuscript shows that ORF8 is involved in inflammation and in the activation of macrophages in two experimental systems: humanized K18-hACE2 transgenic mice and organoid-derived human airway cells. These results identify ORF8 protein as a potential target for COVID-19 therapies.


Assuntos
COVID-19 , SARS-CoV-2 , Camundongos , Animais , Humanos , SARS-CoV-2/genética , Fatores de Virulência/genética , Sistema Respiratório , Camundongos Transgênicos
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