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Updated: Oct 15, 2025

Monitoring Changes in Human Umbilical Vein Endothelial Cells upon Viral Infection Using Impedance-Based Real-Time Cell Analysis
Published on: May 5, 2023
Is It All About Endothelial Dysfunction and Thrombosis Formation? The Secret of COVID-19
Zahra Elyaspour1, Mohammad Javad Zibaeenezhad1, Mahboobeh Razmkhah2
148435Cardiovascular Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Insights
COVID-19 severely impacts endothelial cells, causing vascular injury and thrombosis. Understanding these effects is crucial for developing therapies and reducing mortality from this systemic vascular disease.
Area of Science:
- Cardiovascular Biology
- Infectious Diseases
- Hematology
Background:
- COVID-19, caused by SARS-CoV-2, significantly affects endothelial cells, the lining of blood vessels.
- Endothelial dysfunction is linked to vascular injury, coagulopathies, and thrombotic events, contributing to severe COVID-19 outcomes.
- The precise origin of these vascular complications—direct viral effect versus cytokine storm—remains under investigation.
Purpose of the Study:
- To explore the impact of COVID-19 on endothelial function.
- To discuss the mechanisms leading to thrombosis in COVID-19 patients.
- To review relevant biomarkers, clinical manifestations, and potential therapeutic strategies.
Main Methods:
- Review of current scientific literature on COVID-19 and endothelial function.
- Analysis of studies investigating SARS-CoV-2 interactions with endothelial cells.
- Synthesis of data on laboratory findings and clinical presentations related to COVID-19-induced vascular disease.
Main Results:
- SARS-CoV-2 directly targets endothelial cells, leading to widespread vascular damage.
- Endothelial dysfunction correlates with disease severity and thrombotic complications.
- Altered plasma biomarker levels reflect endothelial injury and systemic inflammation.
Conclusions:
- COVID-19 should be recognized as a systemic vascular disease, not solely a respiratory illness.
- Therapeutic strategies targeting endothelial integrity and function are promising.
- Further research into the vascular aspects of COVID-19 is essential for improving patient outcomes and reducing mortality.
Abstract:
The world is in a hard battle against COVID-19. Endothelial cells are among the most critical targets of SARS-CoV-2. Dysfunction of endothelium leads to vascular injury following by coagulopathies and thrombotic conditions in the vital organs increasing the risk of life-threatening events. Growing evidences revealed that endothelial dysfunction and consequent thrombotic conditions are associated with the severity of outcomes. It is not yet fully clear that these devastating sequels originate directly from the virus or a side effect of virus-induced cytokine storm. Due to endothelial dysfunction, plasma levels of some biomarkers are changed and relevant clinical manifestations appear as well. Stabilization of endothelial integrity and supporting its function are among the promising therapeutic strategies. Other than respiratory, COVID-19 could be called a systemic vascular disease and this aspect should be scrutinized in more detail in order to reduce related mortality. In the present investigation, the effects of COVID-19 on endothelial function and thrombosis formation are discussed. In this regard, critical players, laboratory findings, clinical manifestation, and suggestive therapies are presented.
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