Related Experiment Video
Updated: Apr 25, 2026
Procoagulant Platelet Characterization by Measuring Phosphatidylserine Exposure and Microvesicle Release from Human Purified Platelets
Published on: November 29, 2024
Platelet activation using electric pulse stimulation: growth factor profile and clinical implications
Andrew S Torres1, Antonio Caiafa, Allen L Garner
1From the GE Global Research Center (A.S.T., A.C., S.K., N.L., K.C., V.B.N), Niskayuna, New York; School of Nuclear Engineering (A.L.G.), Purdue University, West Lafayette, Indiana; and Boston Children's Hospital (A.D.M., A.L.F.), Center for Platelet Research Studies, Boston, Massachusetts.
Electric pulse stimulation offers a safe and effective method for activating platelets in autologous platelet gel therapy, promoting chronic wound healing without the risks associated with bovine thrombin.
Area of Science:
- Biomedical Engineering
- Regenerative Medicine
- Biomaterials Science
Background:
- Autologous platelet gel therapy, utilizing platelet-rich plasma, is a promising treatment for chronic wounds, hemostasis, and infection control.
- Platelet activation is crucial, typically achieved with bovine thrombin (BT), which carries risks of antibody formation and complications.
- Nanosecond pulse electric fields (PEFs) offer a non-biochemical alternative for platelet activation, avoiding xenogeneic thrombin exposure.
Purpose of the Study:
- To evaluate electric pulse stimulation as a safe and effective method for platelet activation in autologous platelet gel therapy.
- To compare the efficacy of electric pulse stimulation with traditional bovine thrombin activation regarding growth factor release.
Main Methods:
- Characterized electrical properties (current, voltage, impedance) of platelet-rich plasma during activation.
- Quantified growth factor release (PDGF, TGF-β, EGF) using ELISA for both electric pulse stimulation and BT activation.
Main Results:
- Electric pulse stimulation effectively triggered the release of growth factors from platelet alpha-granules.
- Growth factor release levels were comparable or higher with electric pulse stimulation compared to BT activation.
Conclusions:
- Electric pulse stimulation is a viable, rapid, cost-effective, and user-friendly method for platelet activation.
- This method presents a safer alternative to BT for autologous platelet gel therapy, mitigating risks of adverse immune reactions.
