Streamlining the generation of an osteogenic graft by 3D culture of unprocessed bone marrow on ceramic scaffolds

Anindita Chatterjea, Auke J.S. Renard, Christel Jolink, Clemens A. van Blitterswijk, Jan de Boer

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

Mesenchymal stromal cells are present in very low numbers in the bone marrow, necessitating their selective expansion on tissue culture plastic prior to their use in tissue-engineering applications. MSC expansion is laborious, time consuming, unphysiological and not economical, thus calling for automated bioreactor-based strategies. We and others have shown that osteogenic grafts can be cultured in bioreactors by seeding either 2D-expanded cells or by direct seeding of the mononuclear fraction of bone marrow. To further streamline this protocol, we assessed in this study the possibility of seeding the cells onto porous calcium phosphate ceramics directly from unprocessed bone marrow. Using predetermined volumes of bone marrow from multiple human donors with different nucleated cell counts, we were able to grow a confluent cell sheath on the scaffold surface in 3 weeks. Cells of stromal, endothelial and haematopoietic origin were detected, in contrast to grafts grown from 2D expanded cells, where only stromal cells could be seen. Upon implantation in nude mice, similar quantities of bone tissue were generated as compared to that obtained by using the conventional number of culture expanded cells from the same donor. We conclude that human osteogenic grafts can be efficiently prepared by direct seeding of cells from unprocessed bone marrow.

Original languageEnglish
Pages (from-to)103-112
Number of pages10
JournalJournal of Tissue Engineering and Regenerative Medicine
Volume6
Issue number2
DOIs
Publication statusPublished - 1 Feb 2012
Externally publishedYes

Keywords

  • 3D culture
  • Bone tissue engineering
  • Mesenchymal stromal cells
  • Osteogenic grafts
  • Translational research
  • Unprocessed bone marrow

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