Human mesenchymal stem cells (hMSCs) from bone marrow are considered a promising cell source for bone tissue engineering applications because of their ability to differentiate into cells of the osteoblastic lineage. Mechanical stimulation is able to promote osteogenic differentiation of hMSC; however, the use of hydrostatic pressure (HP) has not been well studied. Artificial extracellular matrices containing collagen and chondroitin sulfate (CS) have promoted the expression of an osteoblastic phenotype by hMSCs. However, there has been little research into the combined effects of biochemical stimulation by matrices and simultaneous mechanical stimulation. In this study, artificial extracellular matrices generated from collagen and/or CS were coated onto polycaprolactone-co-lactide substrates, seeded with hMSCs and subjected to cyclic HP at various time points during 21 days after cell seeding to investigate the effects of biochemical, mechanical, and combined biochemical and mechanical stimulations. Cell differentiation was assessed by analyzing the expression of alkaline phosphatase (ALP) at the protein- and mRNA levels, as well as for calcium accumulation. The timing of HP stimulation affected hMSC proliferation and expression of ALP activity. HP stimulation after 6 days was most effective at promoting ALP activity. CS-containing matrices promoted the osteogenic differentiation of hMSCs. A combination of both CS-containing matrices and cyclic HP yields optimal effects on osteogenic differentiation of hMSCs on scaffolds compared with individual responses.
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ricarda.hess@tu-dresden.de
douglas@mkg.uni-kiel.de
kmyers@ucalgary.ca
claudia.rentsch@uniklinikum-dresden.de
hartmut.worch@tu-dresden.de
nshrive@ucalgary.ca
hartd@ucalgary.ca
dieter.scharnweber@tu-dresden.de
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February 2010
Research Papers
Hydrostatic Pressure Stimulation of Human Mesenchymal Stem Cells Seeded on Collagen-Based Artificial Extracellular Matrices
Ricarda Hess,
Ricarda Hess
Institute of Material Science, Max Bergmann Center of Biomaterials,
ricarda.hess@tu-dresden.de
Technische Universität Dresden
, 01069 Dresden, Germany
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Timothy Douglas,
Timothy Douglas
Department of Oral and Maxillofacial Surgery,
douglas@mkg.uni-kiel.de
University of Kiel
, 24105 Kiel, Germany
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Kenneth A. Myers,
Kenneth A. Myers
McCaig Institute for Bone and Joint Health,
kmyers@ucalgary.ca
University of Calgary
, Calgary, AB, T2N 4N1, Canada
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Barbe Rentsch,
catgut.office@catgut.de
Barbe Rentsch
Catgut GmbH
, 08258 Markneukirchen, Germany
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Claudia Rentsch,
Claudia Rentsch
Trauma and Reconstructive Surgery,
claudia.rentsch@uniklinikum-dresden.de
University Hospital Carl Gustav Carus Dresden
, 01307 Dresden, Germany
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Hartmut Worch,
Hartmut Worch
Institute of Material Science, Max Bergmann Center of Biomaterials,
hartmut.worch@tu-dresden.de
Technische Universität Dresden
, 01069 Dresden, Germany
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Nigel G. Shrive,
Nigel G. Shrive
McCaig Institute for Bone and Joint Health,
nshrive@ucalgary.ca
University of Calgary
, Calgary, AB, T2N 4N1, Canada
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David A. Hart,
David A. Hart
McCaig Institute for Bone and Joint Health,
hartd@ucalgary.ca
University of Calgary
, Calgary, AB, T2N 4N1, Canada
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Dieter Scharnweber
Dieter Scharnweber
Institute of Material Science, Max Bergmann Center of Biomaterials,
dieter.scharnweber@tu-dresden.de
Technische Universität Dresden
, 01069 Dresden, Germany
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Ricarda Hess
Institute of Material Science, Max Bergmann Center of Biomaterials,
Technische Universität Dresden
, 01069 Dresden, Germanyricarda.hess@tu-dresden.de
Timothy Douglas
Department of Oral and Maxillofacial Surgery,
University of Kiel
, 24105 Kiel, Germanydouglas@mkg.uni-kiel.de
Kenneth A. Myers
McCaig Institute for Bone and Joint Health,
University of Calgary
, Calgary, AB, T2N 4N1, Canadakmyers@ucalgary.ca
Barbe Rentsch
Claudia Rentsch
Trauma and Reconstructive Surgery,
University Hospital Carl Gustav Carus Dresden
, 01307 Dresden, Germanyclaudia.rentsch@uniklinikum-dresden.de
Hartmut Worch
Institute of Material Science, Max Bergmann Center of Biomaterials,
Technische Universität Dresden
, 01069 Dresden, Germanyhartmut.worch@tu-dresden.de
Nigel G. Shrive
McCaig Institute for Bone and Joint Health,
University of Calgary
, Calgary, AB, T2N 4N1, Canadanshrive@ucalgary.ca
David A. Hart
McCaig Institute for Bone and Joint Health,
University of Calgary
, Calgary, AB, T2N 4N1, Canadahartd@ucalgary.ca
Dieter Scharnweber
Institute of Material Science, Max Bergmann Center of Biomaterials,
Technische Universität Dresden
, 01069 Dresden, Germanydieter.scharnweber@tu-dresden.de
J Biomech Eng. Feb 2010, 132(2): 021001 (6 pages)
Published Online: December 28, 2009
Article history
Received:
March 5, 2009
Revised:
August 19, 2009
Posted:
September 10, 2009
Published:
December 28, 2009
Online:
December 28, 2009
Citation
Hess, R., Douglas, T., Myers, K. A., Rentsch, B., Rentsch, C., Worch, H., Shrive, N. G., Hart, D. A., and Scharnweber, D. (December 28, 2009). "Hydrostatic Pressure Stimulation of Human Mesenchymal Stem Cells Seeded on Collagen-Based Artificial Extracellular Matrices." ASME. J Biomech Eng. February 2010; 132(2): 021001. https://doi.org/10.1115/1.4000194
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