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November 12, 2010Arteriosclerosis Thrombosis and Vascular Biology

The Prostaglandin E2Receptor EP4 Is Expressed by Human Platelets and Potently Inhibits Platelet Aggregation and Thrombus Formation

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Key result

A selective EP4 agonist (ONO AE1-329) potently inhibited platelet aggregation and in vitro thrombus formation, suggesting EP4 receptor activation as a novel antithrombotic strategy.

Why the study?

Does EP4 receptor activation inhibit platelet aggregation and thrombus formation in human platelets?

Population

Human platelets

Comparison

Selective EP4 agonist (ONO AE1-329) vs null

Design

Preclinical

Authors

SPSonia PhiliposeVKViktória KónyaISIvana Sreckovic

Discussion

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Member takes

Overview

EP4 agonism merits human platelet studies; leaves open clinical antithrombotic translation.

Structured PICO

Does EP4 receptor activation inhibit platelet aggregation and thrombus formation in human platelets?

P
Population
Human platelets
I
Intervention
Selective EP4 agonist (ONO AE1-329)
C
Comparator
null
O
Outcome
Platelet aggregation and in vitro thrombus formationsurrogate

EP4 receptor activation potently inhibits platelet aggregation and thrombus formation, suggesting a potential novel antithrombotic strategy.

Cite This Study

Philipose et al. (2010) studied this question. EP4 agonist (ONO AE1-329) vs. Control / EP4 antagonist was evaluated on Platelet aggregation and thrombus formation. A selective EP4 agonist (ONO AE1-329) potently inhibited platelet aggregation and in vitro thrombus formation, suggesting EP4 receptor activation as a novel antithrombotic strategy.

synapsesocial.com/papers/6a9460bbd1fa461db0c57784https://doi.org/10.1161/atvbaha.110.216374
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Selective activation of the prostaglandin E2 receptor subtype EP2 or EP4 leads to inhibition of platelet aggregation2010 · 45 citations
  2. 2A biological target for antiplatelet therapy: the prostaglandin E2 receptor EP42010 · 20 citations
  3. 3Activation of the murine EP3 receptor for PGE2 inhibits cAMP production and promotes platelet aggregation2001 · 173 citations
  4. 4The role of prostanoid receptors in mediating the effects of PGE<sub>2</sub>on human platelet function2010 · 61 citations
  5. 5PGE2reverses Gs-mediated inhibition of platelet aggregation by interaction with EP3 receptors, but adds to non-Gs-mediated inhibition of platelet aggregation by interaction with EP4 receptors2012 · 12 citations