Human Coronaviruses: Counteracting the Damage by Storm

Over the past 18 years, three highly pathogenic human (h) coronaviruses (CoVs) have caused severe outbreaks, the most recent causative agent, SARS-CoV-2, being the first to cause a pandemic. Although much progress has been made since the COVID-19 pandemic started, much about SARS-CoV-2 and its disea...

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Main Authors: Dewald Schoeman, Burtram C. Fielding
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/13/8/1457
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author Dewald Schoeman
Burtram C. Fielding
author_facet Dewald Schoeman
Burtram C. Fielding
author_sort Dewald Schoeman
collection DOAJ
description Over the past 18 years, three highly pathogenic human (h) coronaviruses (CoVs) have caused severe outbreaks, the most recent causative agent, SARS-CoV-2, being the first to cause a pandemic. Although much progress has been made since the COVID-19 pandemic started, much about SARS-CoV-2 and its disease, COVID-19, is still poorly understood. The highly pathogenic hCoVs differ in some respects, but also share some similarities in clinical presentation, the risk factors associated with severe disease, and the characteristic immunopathology associated with the progression to severe disease. This review aims to highlight these overlapping aspects of the highly pathogenic hCoVs—SARS-CoV, MERS-CoV, and SARS-CoV-2—briefly discussing the importance of an appropriately regulated immune response; how the immune response to these highly pathogenic hCoVs might be dysregulated through interferon (IFN) inhibition, antibody-dependent enhancement (ADE), and long non-coding RNA (lncRNA); and how these could link to the ensuing cytokine storm. The treatment approaches to highly pathogenic hCoV infections are discussed and it is suggested that a greater focus be placed on T-cell vaccines that elicit a cell-mediated immune response, using rapamycin as a potential agent to improve vaccine responses in the elderly and obese, and the potential of stapled peptides as antiviral agents.
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spelling doaj.art-8bc1ac05422a40a79777be484ec2e4832023-11-22T10:09:34ZengMDPI AGViruses1999-49152021-07-01138145710.3390/v13081457Human Coronaviruses: Counteracting the Damage by StormDewald Schoeman0Burtram C. Fielding1Molecular Biology and Virology Research Laboratory, Department of Medical Biosciences, University of the Western Cape, Cape Town 7535, South AfricaMolecular Biology and Virology Research Laboratory, Department of Medical Biosciences, University of the Western Cape, Cape Town 7535, South AfricaOver the past 18 years, three highly pathogenic human (h) coronaviruses (CoVs) have caused severe outbreaks, the most recent causative agent, SARS-CoV-2, being the first to cause a pandemic. Although much progress has been made since the COVID-19 pandemic started, much about SARS-CoV-2 and its disease, COVID-19, is still poorly understood. The highly pathogenic hCoVs differ in some respects, but also share some similarities in clinical presentation, the risk factors associated with severe disease, and the characteristic immunopathology associated with the progression to severe disease. This review aims to highlight these overlapping aspects of the highly pathogenic hCoVs—SARS-CoV, MERS-CoV, and SARS-CoV-2—briefly discussing the importance of an appropriately regulated immune response; how the immune response to these highly pathogenic hCoVs might be dysregulated through interferon (IFN) inhibition, antibody-dependent enhancement (ADE), and long non-coding RNA (lncRNA); and how these could link to the ensuing cytokine storm. The treatment approaches to highly pathogenic hCoV infections are discussed and it is suggested that a greater focus be placed on T-cell vaccines that elicit a cell-mediated immune response, using rapamycin as a potential agent to improve vaccine responses in the elderly and obese, and the potential of stapled peptides as antiviral agents.https://www.mdpi.com/1999-4915/13/8/1457human coronavirusescytokine stormimmunopathologyCOVID-19
spellingShingle Dewald Schoeman
Burtram C. Fielding
Human Coronaviruses: Counteracting the Damage by Storm
Viruses
human coronaviruses
cytokine storm
immunopathology
COVID-19
title Human Coronaviruses: Counteracting the Damage by Storm
title_full Human Coronaviruses: Counteracting the Damage by Storm
title_fullStr Human Coronaviruses: Counteracting the Damage by Storm
title_full_unstemmed Human Coronaviruses: Counteracting the Damage by Storm
title_short Human Coronaviruses: Counteracting the Damage by Storm
title_sort human coronaviruses counteracting the damage by storm
topic human coronaviruses
cytokine storm
immunopathology
COVID-19
url https://www.mdpi.com/1999-4915/13/8/1457
work_keys_str_mv AT dewaldschoeman humancoronavirusescounteractingthedamagebystorm
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