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Published on: May 6, 2013
Mechanisms of COVID-19 pathogenesis in diabetes
Chandrakala Aluganti Narasimhulu1, Dinender K Singla1
1Division of Metabolic and Cardiovascular Sciences, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida.
Insights
This review examines how SARS-CoV-2 impacts diabetes patients, focusing on inflammation and heart failure mechanisms. It explores COVID-19
Area of Science:
- Virology and Immunology
- Endocrinology and Cardiovascular Medicine
Background:
- Coronavirus disease 2019 (COVID-19) is a global pandemic caused by SARS-CoV-2.
- Comorbidities like diabetes, hypertension, and cardiovascular disease increase COVID-19 severity.
- SARS-CoV-2 entry via ACE-2 receptor triggers inflammation and potential multiorgan failure.
Purpose of the Study:
- To review coronaviruses, SARS-CoV-2 structure, mutations, and host entry mechanisms.
- To elucidate the specific mechanisms of SARS-CoV-2 infection in diabetic patients.
- To discuss COVID-19's effects on diabetes, inflammation, and heart failure, and review therapeutic strategies.
Main Methods:
- Literature review of coronaviruses and SARS-CoV-2.
- Analysis of viral structure, spike protein mutations, and host cell receptors.
- Focus on pathogenic mechanisms linking SARS-CoV-2 to diabetes complications.
Main Results:
- SARS-CoV-2 utilizes the ACE-2 receptor for host cell entry.
- Viral infection can induce inflammation and cytokine storm, leading to severe outcomes.
- The interaction between SARS-CoV-2 and diabetes pathophysiology requires further investigation.
Conclusions:
- Understanding SARS-CoV-2 mechanisms in diabetes is crucial for managing high-risk patients.
- Further research is needed to address unanswered questions and develop targeted therapies.
- This review highlights the complex interplay between viral infection and metabolic disease.
Abstract:
Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus, is a global pandemic impacting 254 million people in 190 countries. Comorbidities, particularly cardiovascular disease, diabetes, and hypertension, increase the risk of infection and poor outcomes. SARS-CoV-2 enters host cells through the angiotensin-converting enzyme-2 receptor, generating inflammation and cytokine storm, often resulting in multiorgan failure. The mechanisms and effects of COVID-19 on patients with high-risk diabetes are not yet completely understood. In this review, we discuss the variety of coronaviruses, structure of SARS-CoV-2, mutations in SARS-CoV-2 spike proteins, receptors associated with viral host entry, and disease progression. Furthermore, we focus on possible mechanisms of SARS-CoV-2 in diabetes, leading to inflammation and heart failure. Finally, we discuss existing therapeutic approaches, unanswered questions, and future directions.
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