Manufacturing exosomes for wound healing: Comparative analysis of culture media

Huy Hoang Dao1,2, Thu-Huyen Nguyen1, Diem Huong Hoang1

  • 1Vinmec Hi-Tech Center, Vinmec Healthcare System, Hanoi, Vietnam.

Plos One
|November 14, 2024
PubMed

Insights

Selecting the right culture medium is crucial for manufacturing mesenchymal stem cell (MSC)-derived exosomes (EXs) for wound healing. Platelet-supplemented media yielded EXs with higher therapeutic potential, promoting fibroblast proliferation and angiogenesis.

Area of Science:

  • Regenerative Medicine
  • Biotechnology
  • Cell Biology

Background:

  • Mesenchymal stem cell (MSC)-derived exosomes (EXs) show promise for wound healing.
  • Optimal manufacturing conditions for therapeutic EXs are not well-defined.
  • Culture medium significantly impacts exosome composition and function.

Purpose of the Study:

  • To compare the efficacy of different culture media for manufacturing MSC-derived EXs for wound healing.
  • To identify the culture medium that maximizes the wound-healing potential of EXs.
  • To investigate the impact of culture media on exosome content and biological activity.

Main Methods:

  • Cultured umbilical cord-derived MSCs (UCMSCs) in five different media: three serum-free, one platelet-supplemented, and one fetal bovine serum-supplemented.
  • Analyzed exosome content, including growth factors and cytokines.
  • Assessed the biological activity of EXs on human skin fibroblasts and human umbilical vein endothelial cells.

Main Results:

  • UCMSCs cultured in different media showed similar proliferation, morphology, and stemness.
  • EXs derived from platelet-supplemented media (DM-PLT_EXs) had higher concentrations of KGF, VEGF-A, PDGF-BB, IL-6, IL-7, and IL-8.
  • DM-PLT_EXs demonstrated superior promotion of fibroblast proliferation and angiogenesis.

Conclusions:

  • Culture medium selection is critical for tailoring the therapeutic potential of UCMSC-derived EXs.
  • Platelet-supplemented media enhance the wound-healing capabilities of EXs.
  • DM-PLT_EXs are a promising candidate for advanced wound healing therapies.