Related Experiment Video
Updated: Jul 4, 2026

Ferric Chloride-induced Murine Thrombosis Models
Published on: September 5, 2016
Potentiation and priming of platelet activation: a potential target for antiplatelet therapy
Paolo Gresele1, Emanuela Falcinelli, Stefania Momi
1Division of Internal and Cardiovascular Medicine, Department of Internal Medicine, University of Perugia, Via Enrico dal Pozzo, Perugia, Italy. grespa@unipg.it
Insights
Novel therapeutic targets for antiplatelet therapy are needed due to the limitations of current treatments for ischemic cardiovascular events. Molecules that amplify platelet aggregation, acting as potentiators or primers, offer promising new avenues for antithrombotic drug development.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Pharmacology
Background:
- Ischemic cardiovascular events are a leading global cause of death.
- Platelet aggregation and thrombus formation are key in acute arterial ischemic events.
- Current antiplatelet therapies have suboptimal efficacy, necessitating new targets.
Purpose of the Study:
- To review molecules that amplify platelet aggregation (potentiators and primers).
- To discuss the potential of these molecules as novel pharmacologic targets for antiplatelet therapy.
- To explore the pharmacologic modulation of these molecules for antithrombotic purposes.
Main Methods:
- Literature review of existing research on platelet potentiating and priming molecules.
- Analysis of the role of these molecules in pathological thrombus formation versus primary hemostasis.
- Discussion of potential therapeutic strategies targeting these molecules.
Main Results:
- Several molecules act as potentiators or primers, significantly amplifying platelet aggregation.
- These molecules play a crucial role in pathological thrombus formation.
- They are less involved in primary hemostasis, suggesting a favorable therapeutic window.
Conclusions:
- Molecules amplifying platelet aggregation are attractive novel targets for antiplatelet therapy.
- Targeting these potentiators and primers could lead to more effective antithrombotic treatments.
- Pharmacologic modulation of these pathways holds promise for managing ischemic cardiovascular disorders.
Abstract:
Ischemic cardiovascular events represent the leading cause of mortality and morbidity worldwide, and platelet aggregation and thrombus formation are the main effectors of acute arterial ischemic events. Although antiplatelet therapy is the cornerstone of antithrombotic treatment of ischemic cardiovascular disorders, available antiplatelet agents have less than satisfactory efficacy; thus, the identification of novel potential target candidates for antiplatelet therapy is highly warranted. Recent evidence suggests that several molecules that amplify the aggregation response of platelets to activating stimuli, which are either released by platelets (potentiating molecules) or present in the milieu before platelets get activated (primers), play a major role in pathologic thrombus formation without being significantly involved in primary haemostasis. These molecules appear to be a particularly appealing novel potential pharmacologic target for antiplatelet therapy. Here, we review the present knowledge on some molecules acting as potentiators or primers of platelet activation and discuss their possible pharmacologic modulation for antithrombotic purposes.
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