Wharton's jelly mesenchymal stromal/stem cells derived under chemically defined animal product-free low oxygen conditions are rich in MSCA-1+ subpopulation

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13 Citations (Scopus)

Abstract

Aim: Umbilical cord contains, within Wharton's jelly (WJ), multipotent mesenchymal stromal/stem cells (MSCs) of fetal origin that can be isolated and expanded in vitro with a minimal manipulation and very high efficiency. Our aim was to develop a highly reproducible protocol that has the unique potential to be scaled up and adapted to cGMP requirements for the use in cellular therapy.

Results: We found that derivation of WJ MSCs under defined conditions in low oxygen resulted in several folds higher populations of MSCA-1+ cells (6.0-19.2%) when compared with WJ MSCs derived in the presence of serum (0.1-2.8%) or clinical-grade bone marrow (BM) MSCs cultured under atmospheric O2 (20%). We demonstrate that WJ MSCs derived following our protocol display antiproliferative activity similar to clinical-grade BM MSCs. We also show that these WJ MSCs can be differentiated into adipo-, chondro- and osteo-genic lineages.

Conclusion: Easy accessibility, abundance and genetic 'naivety' make WJ MSCs logistically a more attractive source for clinical applications than BM MSCs.

Original languageEnglish
Pages (from-to)723-732
Number of pages10
JournalRegenerative Medicine
Volume9
Issue number6
DOIs
Publication statusPublished - 2014

Keywords

  • animal product-free culture
  • chemically defined condition
  • mesenchymal stem cell
  • mesenchymal stromal cell
  • MSCA-1
  • umbilical cord
  • Wharton's jelly

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