Related Experiment Video
Updated: Dec 30, 2025
09:46
Megakaryocyte Differentiation and Platelet Formation from Human Cord Blood-derived CD34+ Cells
Published on: December 27, 2017
20.3K
Functional properties of human platelets derived in vitro from CD34+ cells
V Do Sacramento1, L Mallo1, M Freund1
1Université de Strasbourg, INSERM, EFS-Grand Est, BPPS UMR_S1225, FMTS, F-67000, Strasbourg, France.
Scientific Reports
|January 24, 2020
Summary
Cultured human platelets from CD34+ cells show normal function and hemostatic properties. These lab-grown platelets are suitable for transfusion, potentially reducing infectious risks and meeting demand.
Area of Science:
- Hematology
- Cell Biology
- Regenerative Medicine
Background:
- Sustained demand for safe, controlled blood platelet transfusions.
- Need for alternatives to donor-derived platelets to mitigate infectious, immune, and inflammatory risks.
Purpose of the Study:
- Characterize human platelets derived from CD34+ progenitors.
- Evaluate the hemostatic properties and in vivo behavior of cultured platelets.
Main Methods:
- In vitro culture of human CD34+ hematopoietic stem cells.
- Morphological and functional assays (aggregation, glycoprotein expression).
- In vivo circulation and hemostatic studies in NSG mice.
Main Results:
- Cultured platelets exhibited discoid morphology, normal glycoprotein levels, and aggregated with ADP/TRAP.
- Circulating half-life in mice was similar to native platelets.
- Cultured platelets limited blood loss in thrombocytopenic mice, demonstrating hemostatic capacity.
Conclusions:
- Cultured platelets derived from CD34+ cells possess essential properties for transfusion.
- This approach offers a promising alternative for platelet therapy, paving the way for clinical trials.
