Optimized Cryopreservation and Banking of Human Bone-Marrow Fragments and Stem Cells

Gianluca Carnevale, Alessandra Pisciotta, Massimo Riccio, Sara De Biasi, Lara Gibellini, Adriano Ferrari, Giovanni B. La Sala, Giacomo Bruzzesi, Andrea Cossarizza, Anto De Pol

Research output: Contribution to journalArticle

Abstract

Adult mesenchymal stem cells are a promising source for cell therapies and tissue engineering applications. Current procedures for banking of human bone-marrow mesenchymal stem cells (hBM-MSCs) require cell isolation and expansion, and thus the use of large amounts of animal sera. However, animal-derived culture supplements have the potential to trigger infections and severe immune reactions. The aim of this study was to investigate an optimized method for cryopreservation of human bone-marrow fragments for application in cell banking procedures where stem-cell expansion and use are not immediately needed. Whole trabecular fragments enclosing the bone marrow were stored in liquid nitrogen for 1 year in a cryoprotective solution containing a low concentration of dimethyl sulfoxide and a high concentration of human serum (HuS). After thawing, the isolation, colony-forming-unit ability, proliferation, morphology, stemness-related marker expression, cell senescence, apoptosis, and multi-lineage differentiation potential of hBM-MSCs were tested in media containing HuS compared with hBM-MSCs isolated from fresh fragments. Human BM-MSCs isolated from cryopreserved fragments expressed MSC markers until later passages, had a good proliferation rate, and exhibited the capacity to differentiate toward osteogenic, adipogenic, and myogenic lineages similar to hBM-MSCs isolated from fresh fragments. Moreover, the cryopreservation method did not induce cell senescence or cell death. These results imply that minimal processing may be adequate for the banking of tissue samples with no requirement for the immediate isolation and use of hBM-MSCs, thus limiting cost and the risk of contamination, and facilitating banking for clinical use. Furthermore, the use of HuS for cryopreservation and expansion/differentiation has the potential for clinical application in compliance with good manufacturing practice standards.

Original languageEnglish
Pages (from-to)138-148
Number of pages11
JournalBiopreservation and Biobanking
Volume14
Issue number2
DOIs
Publication statusPublished - Apr 1 2016

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Cell Biology

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    Carnevale, G., Pisciotta, A., Riccio, M., De Biasi, S., Gibellini, L., Ferrari, A., La Sala, G. B., Bruzzesi, G., Cossarizza, A., & De Pol, A. (2016). Optimized Cryopreservation and Banking of Human Bone-Marrow Fragments and Stem Cells. Biopreservation and Biobanking, 14(2), 138-148. https://doi.org/10.1089/bio.2015.0001