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Related Experiment Video

Updated: May 27, 2026

Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets

Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets

Published on: November 29, 2024

Platelet receptor shedding.

Elizabeth E Gardiner¹, Mohammad Al-Tamimi, Robert K Andrews

¹Australian Centre for Blood Diseases, Monash University, Melbourne, VIC, Australia.

Methods in Molecular Biology (Clifton, N.J.)

|December 2, 2011

Summary

Receptor shedding irreversibly removes cell surface proteins via proteolysis. Analyzing platelet glycoprotein shedding is crucial for understanding thrombus formation and identifying biomarkers.

Area of Science:

Biochemistry
Cell Biology
Hematology

Background:

Receptor shedding is a proteolytic process removing cell surface receptors.
It differs from receptor internalization, microparticle release, or alternative splicing.
Platelet glycoproteins (GP)Ib-IX-V and GPVI are key in thrombus formation.

Purpose of the Study:

To highlight the importance of analyzing platelet receptor shedding.
To underscore the role of platelet glycoproteins in adhesion and activation.
To explore shedding as a regulatory mechanism and source of biomarkers.

Main Methods:

Analysis of receptor shedding mechanisms.
Focus on proteolysis near the plasma membrane's extracellular surface.
Investigating platelet glycoprotein Ib-IX-V and GPVI shedding.

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Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation

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Last Updated: May 27, 2026

Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets

Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets

Published on: November 29, 2024

A Uniform Shear Assay for Human Platelet and Cell Surface Receptors via Cone-plate Viscometry

A Uniform Shear Assay for Human Platelet and Cell Surface Receptors via Cone-plate Viscometry

Published on: June 5, 2019

Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation

Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation

Published on: May 23, 2025

Main Results:

Receptor shedding generates soluble ectodomains and membrane remnants.
Shedding downregulates surface receptor expression and ligand binding.
Proteolytic fragments may serve as functional molecules or biomarkers.

Conclusions:

Platelet receptor shedding is critical for regulating platelet function.
Shedding impacts thrombus formation at arterial shear rates.
Further analysis of shedding can yield functional insights and biomarkers.