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Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation
Published on: May 23, 2025
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Procoagulant platelets and the pathways leading to cell death
Vu Minh Hua1, Vivien Mun Yee Chen1
1Lowy Cancer Research Centre, Prince of Wales Clinical School, University of New South Wales, Sydney, Australia.
Seminars in Thrombosis and Hemostasis
|June 3, 2015
Summary
Procoagulant platelets link primary and secondary hemostasis by forming fibrin. Their exact nature and role in cell death pathways remain under investigation, impacting bleeding and thrombosis risks.
Area of Science:
- Hematology
- Cell Biology
- Biochemistry
Background:
- Platelets are key to hemostasis and thrombosis, aggregating via glycoprotein IIb/IIIa receptors.
- Activated platelets are heterogeneous, with a subset supporting coagulation complex assembly.
- Procoagulant platelets are proposed to link primary and secondary hemostasis, localizing thrombin bursts.
Purpose of the Study:
- To review the distinct roles of platelet subpopulations.
- To clarify the identity of the procoagulant platelet.
- To explore the role of cell death pathways in regulating platelet procoagulant responses.
Main Methods:
- Literature review focusing on platelet subpopulations.
- Analysis of morphological and biochemical features of procoagulant platelets.
- Investigation of cell death pathways in platelet function.
Main Results:
- Procoagulant platelet potential influences bleeding and thrombosis.
- Loss of procoagulant potential is linked to bleeding disorders.
- Increased procoagulant potential is associated with thrombotic events.
Conclusions:
- The precise identity and function of procoagulant platelets are still debated.
- Morphological and biochemical traits of procoagulant platelets overlap with cyclophilin D necrosis pathways.
- Understanding these pathways is crucial for regulating platelet-mediated hemostasis and thrombosis.
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