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Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Front+Immunol 2021 ; 12 (ä): 666163 Nephropedia Template TP
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Transcriptomic Signature Differences Between SARS-CoV-2 and Influenza Virus Infected Patients #MMPMID34135895
Bibert S; Guex N; Lourenco J; Brahier T; Papadimitriou-Olivgeris M; Damonti L; Manuel O; Liechti R; Gotz L; Tschopp J; Quinodoz M; Vollenweider P; Pagani JL; Oddo M; Hugli O; Lamoth F; Erard V; Voide C; Delorenzi M; Rufer N; Candotti F; Rivolta C; Boillat-Blanco N; Bochud PY
Front Immunol 2021[]; 12 (ä): 666163 PMID34135895show ga
The reason why most individuals with COVID-19 have relatively limited symptoms while other develop respiratory distress with life-threatening complications remains unknown. Increasing evidence suggests that COVID-19 associated adverse outcomes mainly rely on dysregulated immunity. Here, we compared transcriptomic profiles of blood cells from 103 patients with different severity levels of COVID-19 with that of 27 healthy and 22 influenza-infected individuals. Data provided a complete overview of SARS-CoV-2-induced immune signature, including a dramatic defect in IFN responses, a reduction of toxicity-related molecules in NK cells, an increased degranulation of neutrophils, a dysregulation of T cells, a dramatic increase in B cell function and immunoglobulin production, as well as an important over-expression of genes involved in metabolism and cell cycle in patients infected with SARS-CoV-2 compared to those infected with influenza viruses. These features also differed according to COVID-19 severity. Overall and specific gene expression patterns across groups can be visualized on an interactive website (https://bix.unil.ch/covid/). Collectively, these transcriptomic host responses to SARS-CoV-2 infection are discussed in the context of current studies, thereby improving our understanding of COVID-19 pathogenesis and shaping the severity level of COVID-19.