Mesenchymal stem cells from patients to assay bone graft substitutes

M. Manfrini, C. Di Bona, A. Canella, E. Lucarelli, A. Pellati, A. D'Agostino, G. Barbanti-Bròdano, M. Tognon

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Bio-engineered scaffolds used in orthopedic clinical applications induce different tissue responses after implantation. In this study, non-stoichiometric Mg2+ ions and stoichiometric apatites, which are used in orthopedic surgery as bone substitutes, have been assayed in vitro with human adult mesenchymal stem cells (hMSC) to evaluate cytocompatibility and osteoconductivity. hMSCs from the bone marrow aspirates of orthopedic patients were isolated and analyzed by flow cytometry for the surface markers Stro1, CD29, CD44, CD71, CD73, CD90, CD105 (positive) and CD45, CD235 (negative). The hMSC were analyzed for self-renewal capacity and for differentiation potential. The hMSC, which were grown on different biomaterials, were analyzed for (i) cytotoxicity by AlamarBlue metabolic assay, (ii) osteoconductivity by ELISA for activated focal adhesion kinase, (iii) cytoskeleton organization by fluorescence microscopy, and (iv) cell morphology which was investigated by scan electron microscopy (SEM). Results indicate that isolated cell populations agree with minimal criteria for defining hMSC cultures. Non-stoichiometric Mg2+ and stoichiometric apatites, in granular form, represent a more favorable environment for mesenchymal stem cell adhesion and growth compared to the non-stoichiometric Mg2+ apatite, in nano-structured paste form. This study indicates that different forms of biomaterials modulate osteoconductivity and cellular growth by differential activation focal adhesion kinase.

Original languageEnglish
Pages (from-to)1229-1237
Number of pages9
JournalJournal of Cellular Physiology
Volume228
Issue number6
DOIs
Publication statusPublished - Jun 2013

Fingerprint

Bone Substitutes
Stem cells
Mesenchymal Stromal Cells
Adult Stem Cells
Grafts
Assays
Bone
Apatites
Transplants
Orthopedics
Focal Adhesion Protein-Tyrosine Kinases
Biocompatible Materials
Flow cytometry
Fluorescence microscopy
Cell adhesion
Cell growth
Cytotoxicity
Growth
Ointments
Cytoskeleton

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Cell Biology
  • Physiology

Cite this

Manfrini, M., Di Bona, C., Canella, A., Lucarelli, E., Pellati, A., D'Agostino, A., ... Tognon, M. (2013). Mesenchymal stem cells from patients to assay bone graft substitutes. Journal of Cellular Physiology, 228(6), 1229-1237. https://doi.org/10.1002/jcp.24276

Mesenchymal stem cells from patients to assay bone graft substitutes. / Manfrini, M.; Di Bona, C.; Canella, A.; Lucarelli, E.; Pellati, A.; D'Agostino, A.; Barbanti-Bròdano, G.; Tognon, M.

In: Journal of Cellular Physiology, Vol. 228, No. 6, 06.2013, p. 1229-1237.

Research output: Contribution to journalArticle

Manfrini, M, Di Bona, C, Canella, A, Lucarelli, E, Pellati, A, D'Agostino, A, Barbanti-Bròdano, G & Tognon, M 2013, 'Mesenchymal stem cells from patients to assay bone graft substitutes', Journal of Cellular Physiology, vol. 228, no. 6, pp. 1229-1237. https://doi.org/10.1002/jcp.24276
Manfrini M, Di Bona C, Canella A, Lucarelli E, Pellati A, D'Agostino A et al. Mesenchymal stem cells from patients to assay bone graft substitutes. Journal of Cellular Physiology. 2013 Jun;228(6):1229-1237. https://doi.org/10.1002/jcp.24276
Manfrini, M. ; Di Bona, C. ; Canella, A. ; Lucarelli, E. ; Pellati, A. ; D'Agostino, A. ; Barbanti-Bròdano, G. ; Tognon, M. / Mesenchymal stem cells from patients to assay bone graft substitutes. In: Journal of Cellular Physiology. 2013 ; Vol. 228, No. 6. pp. 1229-1237.
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