Severe COVID-19: what have we learned with the immunopathogenesis?
Abstract The COVID-19 outbreak caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a global major concern. In this review, we addressed a theoretical model on immunopathogenesis associated with severe COVID-19, based on the current literature of SARS-CoV-2 and other epidemic pathogenic coronaviruses, such as SARS and MERS. Several studies have suggested that immune dysregulation and hyperinflammatory response induced by SARS-CoV-2 are more involved in disease severity than the virus itself. Immune dysregulation due to COVID-19 is characterized by delayed and impaired interferon response, lymphocyte exhaustion and cytokine storm that ultimately lead to diffuse lung tissue damage and posterior thrombotic phenomena. Considering there is a lack of clinical evidence provided by randomized clinical trials, the knowledge about SARS- CoV-2 disease pathogenesis and immune response is a cornerstone to develop rationale-based clinical therapeutic strategies. In this narrative review, the authors aimed to describe the immunopathogenesis of severe forms of COVID-19.
Main Authors: | Bordallo,Bruno, Bellas,Mozart, Cortez,Arthur Fernandes, Vieira,Matheus, Pinheiro,Marcelo |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Reumatologia
2020
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2523-31062020000100401 |
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