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Regulation of adult human mesenchymal stem cells into osteogenic and chondrogenic lineages by different bioreactor systems

Wang, T. W., et al. (2009). "Regulation of adult human mesenchymal stem cells into osteogenic and chondrogenic lineages by different bioreactor systems." Journal of Biomedical Materials Research Part A 88A 4: 935-946

The aim of this study was to examine the feasibility of expanding and regulating mesenchymal stem cells (MSCs) from isolated adult human bone marrow mononuclear cells, seeded on gelatin-hyaluronic acid biomatrices, and then to quantitatively compare the gene expression in three different culture systems. Individual and interactive effects of model system parameters on construct structure, function, and molecular properties were evaluated. The results showed that these adult human MSCs even at old age not only expressed primitive mesenchymal cell markers but also maintained a high level of colony-forming efficiency and were capable of differentiating into osteoblasts, chondrocytes, and adipocytes upon appropriate inductions. After 21 days of culture, we found that the osteoblastic and chondrocytic lineage gene expression were earlier and higher expressed in spinner flask bioreactor culture group when compared with the static culture and rotating wall vessel reactor culture. The osteogenic lineage proteins type I collagen, alkaline phosphatase, and osteocalcin were strongly stained in histological sections of spinner flask bioreactor culture, whereas these were less detected in the other two groups, especially in rotating wall vessel reactor culture. As for the markers associated with the chondrogenic lineage differentiation proteins, type II collagen was apparently expressed in spinner flask culture group, while the expression of proteoglycans (aggreacan, decorin) in three culture conditions took the lead of each other. We conclude that the spinner flask bioreactor with appropriate induction medium reported in this study may be used to rapidly expand adult MSCs and is likely to possess better induction results toward osteoblastic and chondrocytic lineages. (c) 2008 Wiley Periodicals, Inc. J Biomed Mater Res 88A: 935-946, 2009

Related URLs:
<Go to ISI>://WOS:000263383700011

ISSN: 1549-3296

DOI: 10.1002/jbm.a.31914

Accession Number: WOS:000263383700011

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Tags: *Cell Culture Techniques, 80 and over, Adult, Aged, Biological Markers/metabolism, Bioreactors, Cell Differentiation/physiology, Cell Lineage, Cell Proliferation, Cells, Cultured, Gene Expression, Humans, Mesenchymal Stromal Cells/*cytology/*physiology, Messenger/metabolism, Middle Aged, Osteocytes/cytology/physiology, RNA, Tissue Scaffolds