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Red blood cells in thrombosis.
James R Byrnes1, Alisa S Wolberg1
1Department of Pathology and Laboratory Medicine and McAllister Heart Institute, University of North Carolina, Chapel Hill, NC.
Blood
|August 17, 2017
Summary
Red blood cells (RBCs), once thought passive, actively contribute to blood clot (thrombosis) formation and stability. Understanding RBC roles in thrombosis opens new therapeutic avenues.
Area of Science:
- Hematology
- Vascular Biology
- Thrombosis Research
Background:
- Red blood cells (RBCs) were traditionally viewed as passive participants in thrombosis.
- Clinical evidence links RBC abnormalities (e.g., sickle cell disease, thalassemia) to increased thrombosis risk.
- Emerging research suggests active RBC involvement in clot development.
Purpose of the Study:
- To review the evolving understanding of RBCs' role in thrombosis.
- To explore mechanisms by which RBCs influence thrombus formation and stability.
- To identify potential therapeutic targets within RBCs for thrombosis prevention.
Main Methods:
- Review of clinical and epidemiological studies on RBC disorders and thrombosis.
- Analysis of mechanistic research investigating RBCs' prothrombotic functions.
- Synthesis of findings to delineate RBC contributions to thrombosis pathophysiology.
Main Results:
- RBCs are increasingly recognized as active contributors to thrombus formation.
- Abnormalities in RBCs (e.g., altered hematocrit, specific anemias) correlate with higher thrombosis rates.
- RBCs enhance both the initiation and stability of blood clots.
Conclusions:
- RBCs play a significant, active role in the pathophysiology of thrombosis.
- Targeting RBCs offers a promising strategy for developing novel antithrombotic therapies.
- Further research into RBC-thrombosis interactions is warranted.
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