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Related Experiment Video

Updated: May 16, 2026

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Published on: October 27, 2009

GDF-15 prevents platelet integrin activation and thrombus formation.

J Rossaint¹, D Vestweber, A Zarbock

¹Department of Anaesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany.

Journal of Thrombosis and Haemostasis : JTH

|December 13, 2012

Summary

Growth-differentiation factor 15 (GDF-15) inhibits platelet integrin activation, decelerating thrombus formation and prolonging bleeding time. This discovery offers potential new treatments for bleeding disorders.

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Last Updated: May 16, 2026

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

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Published on: October 27, 2009

Ferric Chloride-induced Murine Thrombosis Models

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Real-time Imaging of Heterotypic Platelet-neutrophil Interactions on the Activated Endothelium During Vascular Inflammation and Thrombus Formation in Live Mice

Real-time Imaging of Heterotypic Platelet-neutrophil Interactions on the Activated Endothelium During Vascular Inflammation and Thrombus Formation in Live Mice

Published on: April 2, 2013

Area of Science:

Hematology
Molecular Biology
Biochemistry

Background:

Platelet integrins are crucial for primary hemostasis.
Growth-differentiation factor 15 (GDF-15) inhibits leukocyte β(2)-integrin activation.

Purpose of the Study:

To investigate the effect of GDF-15 on platelet integrin activation.
To assess GDF-15's role in in vitro and in vivo thrombus formation.

Main Methods:

In vitro and in vivo studies using GDF-15 deficient mice and recombinant GDF-15.
Flow chamber assays, flow cytometry, and platelet aggregation studies.
Investigated Rap1-dependent α(IIb)β(3) activation and PKA signaling.

Main Results:

GDF-15 deficient mice exhibited accelerated thrombus formation and reduced survival.
Recombinant GDF-15 decelerated thrombus formation and prolonged bleeding time.
GDF-15 inhibited fibrinogen binding, β(1) and β(3) integrin activation, and platelet aggregation, specifically impacting Rap1-dependent α(IIb)β(3) activation via PKA.

Conclusions:

GDF-15 specifically inhibits platelet integrin activation.
Findings suggest GDF-15's potential therapeutic role in hemostatic conditions.