Recent highlights on bone stem cells: A report from Bone Stem Cells 2009, and not only...

Elisabetta Cenni, Francesca Perut, Serena Rubina Baglío, Elisa Fiorentini, Nicola Baldini

Research output: Contribution to journalArticlepeer-review


The use of stem cells has opened new prospects for the treatment of orthopaedic conditions characterized by large bone defects. However, many issues still exist to which answers are needed before routine, large-scale application becomes possible. Bone marrow stromal cells (MSC), which are clonogenic, multipotential precursors present in the bone marrow stroma, are generally employed for bone regeneration. Stem cells with multilineage differentiation similar to MSC have also been demonstrated in adipose tissue, peripheral blood, umbilical cord and amniotic fluid. Each source presents its own advantages and drawbacks. Unfortunately, no unique surface antigen is expressed by MSC, and this hampers simple MSC enrichment from heterogeneous populations. MSC are identified through a combination of physical, morphological and functional assays. Different in vitro and in vivo models have been described for the research on bone stem cells. These models should predict the in vivo bone healing capacity of MSC and if the induced osteogenesis is similar to the physiological one. Although stem cells offer an exciting possibility of a renewable source of cells and tissues for replacement, orthopaedic applications often represent case reports whereas controlled randomized trials are still lacking. Further biological aspects of bone stem cells should be elucidated and a general consensus on the best models, protocols and proper use of scaffolds and growth factors should be achieved.

Original languageEnglish
Pages (from-to)2614-2621
Number of pages8
JournalJournal of Cellular and Molecular Medicine
Issue number11
Publication statusPublished - Nov 2010


  • Adipose stem cell
  • Bone
  • Embryonic stem cell
  • Mesenchymal stromal cell
  • Osteoblast
  • Osteogenic differentiation
  • Stem cell
  • Tissue engineering

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Medicine


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