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Published on: August 20, 2019
Endothelial Dysfunction, Inflammation, and Oxidative Stress in COVID-19-Mechanisms and Therapeutic Targets
Adriana Fodor1, Brandusa Tiperciuc2, Cezar Login3
1Clinical Center of Diabetes, Nutrition, and Metabolic Diseases, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, CJ, Romania.
Insights
COVID-19, caused by SARS-CoV-2, affects the cardiovascular system and lungs, leading to respiratory failure. This review highlights endothelial dysfunction as a key factor in COVID-19 pathogenesis.
Area of Science:
- Cardiovascular Medicine
- Infectious Diseases
- Pathology
Background:
- COVID-19 pandemic is a global health crisis with high mortality.
- SARS-CoV-2 infection impacts both pulmonary and cardiovascular systems.
- Severe COVID-19 involves respiratory failure due to alveolar damage and vascular complications.
Purpose of the Study:
- To review the central role of endothelial dysfunction in COVID-19 pathogenesis.
- To explore the mechanisms linking endotheliopathy to COVID-19 severity.
- To identify therapeutic targets arising from COVID-19-associated endotheliopathy.
Main Methods:
- Literature review of studies on COVID-19 pathophysiology.
- Analysis of mechanisms of lung and cardiovascular damage in SARS-CoV-2 infection.
- Synthesis of current understanding of endothelial involvement in COVID-19.
Main Results:
- COVID-19 is increasingly recognized as an endothelial disease.
- Endotheliopathy contributes to inflammation, cytokine storm, oxidative stress, and coagulopathy.
- Vascular involvement, both macro- and microvascular, is crucial in severe COVID-19.
Conclusions:
- Endothelial dysfunction is a critical factor in COVID-19 pathogenesis.
- Targeting endotheliopathy offers potential therapeutic strategies for COVID-19.
- Understanding the endothelial basis of COVID-19 is vital for clinical management.
Abstract:
The outbreak of the COVID-19 pandemic represents an ongoing healthcare emergency responsible for more than 3.4 million deaths worldwide. COVID-19 is the disease caused by SARS-CoV-2, a virus that targets not only the lungs but also the cardiovascular system. COVID-19 can manifest with a wide range of clinical manifestations, from mild symptoms to severe forms of the disease, characterized by respiratory failure due to severe alveolar damage. Several studies investigated the underlying mechanisms of the severe lung damage associated with SARS-CoV-2 infection and revealed that the respiratory failure associated with COVID-19 is the consequence not only of acute respiratory distress syndrome but also of macro- and microvascular involvement. New observations show that COVID-19 is an endothelial disease, and the consequent endotheliopathy is responsible for inflammation, cytokine storm, oxidative stress, and coagulopathy. In this review, we show the central role of endothelial dysfunction, inflammation, and oxidative stress in the COVID-19 pathogenesis and present the therapeutic targets deriving from this endotheliopathy.
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