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Updated: May 16, 2025

Production and Administration of Therapeutic Mesenchymal Stem/Stromal Cell MSC Spheroids Primed in 3-D Cultures Under Xeno-free Conditions
Published on: March 18, 2017
Super-activated platelet lysate promotes mesenchymal stem cell proliferation, migration, and chondrogenic
Chunxiang Liu1, Tianqi Zhang1, Lingqi Meng1
1National and Local Joint Stem Cell Research & Engineering Center for Aging Diseases, Tian Qing Stem Cell Co., Ltd, Harbin, People's Republic of China.
Objective:
This study aimed to investigate the effects of super-activated platelet lysate (sPL) on the proliferation, migration, and chondrogenic differentiation of human umbilical cord mesenchymal stem cells (hUCMSCs).
Methods:
Cell proliferation and migration assay, enzyme-linked immunosorbent analysis, RT-qPCR, chondrogenic differentiation, and Western blot were performed on sPL-treated hUCMSCs.
Results:
The extraction of sPL from PRP yielded a significant release of growth factors. The proliferation of hUCMSCs was significantly enhanced by both 5% and 10% sPL, and the 5% sPL showed the most promising results. Additionally, 10% sPL demonstrated the strongest positive effect on hUCMSC migration. The 20% sPL group showed a significant decrease in inflammatory factor levels compared to the 0% sPL group when hIL-1β was added to the differentiation system. Notably, hUCMSCs in the 5% sPL, 10% sPL and 20% sPL groups displayed excellent chondrogenic differentiation.
Conclusion:
In summary, sPL demonstrates the ability to promote stem cell proliferation, migration, and chondrogenic differentiation, while also suppressing inflammation.

