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Endothelial dysfunction and immunothrombosis in sepsis
Eleni Maneta1, Evmorfia Aivalioti1, Simon Tual-Chalot2
1Department of Clinical Therapeutics, National and Kapodistrian University of Athens Medical School, Athens, Greece.
Frontiers in Immunology
|April 21, 2023
Summary
Sepsis triggers immunothrombosis, leading to organ dysfunction. New therapies targeting immune responses and blood clotting show promise for improving sepsis outcomes.
Area of Science:
- Immunology
- Pathophysiology
- Pharmacology
Background:
- Sepsis is a critical condition with multiorgan dysfunction due to an overactive host response to infection.
- In sepsis, innate immune cells activate the coagulation cascade, causing immunothrombosis in microcirculation.
- While immunothrombosis can limit pathogen spread, it often leads to endothelial dysfunction and organ damage.
Purpose of the Study:
- To discuss mechanisms of organ-specific endothelial dysfunction and immunothrombosis in sepsis.
- To highlight recent therapeutic advances for sepsis complications.
Main Methods:
- Review of underlying mechanisms of sepsis-induced organ dysfunction.
- Analysis of immunothrombosis pathways.
- Discussion of novel therapeutic strategies targeting immune and coagulation pathways.
Main Results:
- Sepsis involves complex interactions between immune cells, endothelium, and coagulation.
- Endothelial dysfunction and microthrombosis are key drivers of organ damage in sepsis.
- Emerging therapies focus on modulating immune responses and platelet-endothelial interactions.
Conclusions:
- Understanding sepsis mechanisms is crucial for developing effective treatments.
- Targeting endothelial innate immunity and immunothrombosis offers potential for improved sepsis prognosis.
- Further research into novel therapeutic approaches is essential to reduce sepsis morbidity and mortality.
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