Signalling strategies for osteogenic differentiation of human umbilical cord mesenchymal stromal cells for 3D bone tissue engineering

Limin Wang, Milind Singh, Lynda Bonewald, Michael S. Detamore

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

Human umbilical cord mesenchymal stromal cells (hUCMSCs) have recently shown the capacity to differentiate into multiple cell lineages in all three embryonic germ layers. The osteogenic differentiation of hUCMSCs in monolayer culture has been reported, while the differentiation in three-dimensional biomaterials has not yet been reported for tissue-engineering applications. Thus, the aim of this study was to evaluate the feasibility of using hUCMSCs for bone tissue engineering. hUCMSCs were cultured in poly(L-lactic acid) (PLLA) scaffolds in osteogenic medium (OM) for 3 weeks, after which the scaffolds were exposed to several different media, including the OM, a mineralization medium (MM) and the MM with either 10 or 100 ng/ml insulin-like growth factor (IGF)-1. The osteogenic differentiation was confirmed by the up-regulation of Runx2 and OCN, calcium quantification and bone histology. Switching from the OM to the MM promoted collagen synthesis and calcium content per cell, while continuing in the OM retained more cells in the constructs and promoted higher osteogenic gene expression. The addition of IGF-1 into the MM had no effect on cell proliferation, differentiation and matrix synthesis. In conclusion, hUCMSCs show significant potential for bone tissue engineering and culturing in the OM throughout the entire period is beneficial for osteogenic differentiation of these cells.

Original languageEnglish (US)
Pages (from-to)398-404
Number of pages7
JournalJournal of Tissue Engineering and Regenerative Medicine
Volume3
Issue number5
DOIs
StatePublished - 2009
Externally publishedYes

Fingerprint

Umbilical Cord
Tissue Engineering
Mesenchymal Stromal Cells
Tissue engineering
Bone
Bone and Bones
Insulin
Somatomedins
Scaffolds
Cell Differentiation
Calcium
Germ Layers
Histology
Bioelectric potentials
Cell proliferation
Biocompatible Materials
Cell Lineage
Lactic acid
Cell culture
Collagen

Keywords

  • IGF-1
  • Osteogenesis
  • Stem cells
  • Umbilical cord stroma

ASJC Scopus subject areas

  • Biomedical Engineering
  • Medicine (miscellaneous)
  • Biomaterials

Cite this

Signalling strategies for osteogenic differentiation of human umbilical cord mesenchymal stromal cells for 3D bone tissue engineering. / Wang, Limin; Singh, Milind; Bonewald, Lynda; Detamore, Michael S.

In: Journal of Tissue Engineering and Regenerative Medicine, Vol. 3, No. 5, 2009, p. 398-404.

Research output: Contribution to journalArticle

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