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Published on: September 15, 2017
Elevated Expression of Serum Endothelial Cell Adhesion Molecules in COVID-19 Patients
Ming Tong1, Yu Jiang2, Da Xia3
1Department of Infectious Diseases, Hunan Provincial People's Hospital (The First-affiliated Hospital of Hunan Normal University), Changsha, Hunan, China.
Insights
Elevated levels of endothelial cell adhesion molecules, including fractalkine, VCAM-1, ICAM-1, and VAP-1, correlate with COVID-19 severity. These molecules may play a role in the coagulation dysfunction observed in patients.
Area of Science:
- Immunology
- Vascular Biology
- Infectious Diseases
Background:
- COVID-19 is associated with endothelial dysfunction.
- Endothelial cell adhesion molecules (eCAMs) mediate inflammatory and immune responses.
- Understanding eCAMs' role in COVID-19 pathogenesis is crucial.
Purpose of the Study:
- To investigate the association between serum eCAM levels and COVID-19 severity.
- To explore the potential role of eCAMs in COVID-19-related coagulation dysfunction.
Main Methods:
- Retrospective study of 39 COVID-19 patients and 32 controls.
- Clinical data collection.
- Enzyme-linked immunosorbent assays (ELISAs) to measure serum eCAMs: fractalkine, VCAM-1, ICAM-1, and VAP-1.
Main Results:
- Serum levels of fractalkine, VCAM-1, ICAM-1, and VAP-1 were elevated in mild COVID-19.
- These levels were dramatically increased in severe COVID-19 cases.
- eCAM levels decreased during the convalescence phase.
Conclusions:
- Increased eCAM expression is linked to COVID-19 disease severity.
- eCAMs may contribute to the observed coagulation dysfunction in COVID-19 patients.
- eCAMs represent potential biomarkers for COVID-19 severity.
Abstract:
In a retrospective study of 39 COVID-19 patients and 32 control participants in China, we collected clinical data and examined the expression of endothelial cell adhesion molecules by enzyme-linked immunosorbent assays. Serum levels of fractalkine, vascular cell adhesion molecule-1 (VCAM-1), intercellular adhesion molecule 1 (ICAM-1), and vascular adhesion protein-1 (VAP-1) were elevated in patients with mild disease, dramatically elevated in severe cases, and decreased in the convalescence phase. We conclude the increased expression of endothelial cell adhesion molecules is related to COVID-19 disease severity and may contribute to coagulation dysfunction.
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