Mechanisms of endothelial activation, hypercoagulation and thrombosis in COVID-19: a link with diabetes mellitus
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View abstract on PubMed
Summary
This summary is machine-generated.COVID-19 infection triggers endothelial dysfunction, leading to hypercoagulation and hypofibrinolysis, especially in patients with diabetes mellitus. Therapeutic strategies targeting endothelial activation and antidiabetics may improve outcomes.
Area Of Science
- Endocrinology
- Infectious Diseases
- Vascular Biology
- Hematology
Background
- COVID-19 infection causes endothelial dysfunction, characterized by endothelitis, hypercoagulation, and hypofibrinolysis.
- Endothelial barrier activation exacerbates disease severity, contributes to long-COVID, and affects hemostasis.
- Diabetic patients with pre-existing endothelial dysfunction face heightened risks from COVID-19-related vascular complications.
Purpose Of The Study
- To review potential triggers of endothelial activation in COVID-19, particularly in the context of diabetes mellitus.
- To explore the mechanisms underlying COVID-19-induced endothelial dysfunction and its impact on hemostasis.
- To discuss therapeutic strategies for managing endothelial activation and hypercoagulable states in COVID-19 and diabetic patients.
Main Methods
- Review of existing literature on COVID-19, endothelial dysfunction, and diabetes mellitus.
- Analysis of molecular and cellular mechanisms involved in SARS-CoV-2-induced endothelial activation.
- Examination of coagulation and fibrinolysis alterations in COVID-19 and diabetic patients.
Main Results
- COVID-19 triggers endothelial activation via viral particles and immune responses (e.g., NF-κB/NLRP3 inflammasome, cytokine storm, NETosis).
- Alterations in coagulation factors (e.g., factor VIII, fibrinogen) and impaired fibrinolysis contribute to hypercoagulation.
- Diabetes mellitus exacerbates these mechanisms, leading to significant hemostasis loss.
Conclusions
- Targeting activated endothelium with specific inhibitors (e.g., anti-thrombin, anti-cytokine) offers therapeutic potential.
- Antidiabetic agents may mitigate endothelial dysfunction, inflammation, and platelet aggregation.
- Improving microvascular pathology in COVID-19 and post-COVID patients can reduce comorbidity and mortality risks.
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