Pathophysiology of SARS-CoV-2 in Lung of Diabetic Patients

Novel coronavirus disease (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Its impact on patients with comorbidities is clearly related to fatality cases, and diabetes has been linked to one of the most important causes of severity and morta...

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Published in:Frontiers in physiology 2020-12, Vol.11, p.587013-587013
Main Authors: Oliveira, Tales Lyra, Melo, Igor Santana, Cardoso-Sousa, Léia, Santos, Igor Andrade, El Zoghbi, Mohamad Bassim, Shimoura, Caroline Gusson, Georjutti, Renata Pereira, Castro, Olagide Wagner, Goulart, Luiz Ricardo, Jardim, Ana Carolina Gomes, Cunha, Thúlio Marquez, Sabino-Silva, Robinson
Format: Article
Language:English
Subjects:
angiotensin-converting enzyme
betacoronavirus infection
diabetes mellitus
Physiology
pneumonia
SGLT1
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Summary:Novel coronavirus disease (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Its impact on patients with comorbidities is clearly related to fatality cases, and diabetes has been linked to one of the most important causes of severity and mortality in SARS-CoV-2 infected patients. Substantial research progress has been made on COVID-19 therapeutics; however, effective treatments remain unsatisfactory. This unmet clinical need is robustly associated with the complexity of pathophysiological mechanisms described for COVID-19. Several key lung pathophysiological mechanisms promoted by SARS-CoV-2 have driven the response in normoglycemic and hyperglycemic subjects. There is sufficient evidence that glucose metabolism pathways in the lung are closely tied to bacterial proliferation, inflammation, oxidative stress, and pro-thrombotic responses, which lead to severe clinical outcomes. It is also likely that SARS-CoV-2 proliferation is affected by glucose metabolism of type I and type II cells. This review summarizes the current understanding of pathophysiology of SARS-CoV-2 in the lung of diabetic patients and highlights the changes in clinical outcomes of COVID-19 in normoglycemic and hyperglycemic conditions.
ISSN:1664-042X
1664-042X
DOI:10.3389/fphys.2020.587013