open access

https://hdl.handle.net/2115/22086

High inoculation cell density could accelerate the differentiation of human bone marrow mesenchymal stem cells to chondrocyte cells.

英語

chondrocyte

2007-01

The Society for Biotechnology, Japan

Journal of Bioscience and Bioengineering

103(1)

98-100

The effects of the density of human mesenchymal stem cells (MSCs) on their differentioation to chondrocytes in a differentiation medium supplemented with dexamethasone, TGFβ3, and IGF-1 were investigated for the regenerative therapy of cartilage. The increase in the initial density of MSCs from 0.05×104 to 0.9×104 cells/cm2 accelerated the increase in the expression level of aggrecan mRNA during the differentiation culture for 7 d. The conditioned medium harvested at 7 d from the differentiation culture with an initial MSC density of 0.3×104 cells/cm2 accelerated the initial increase in the expression level for 3 d in the differentiation culture with an initial MSC density of 0.3×104 cells/cm2, whereas the conditioned medium harvested at 7 d in the differentiation culture with an initial MSC density of 0.05×104 cells/cm2 did not. The differentiation culture after 14 d with an initial MSC concentration of 0.3×104 cells/cm2 showed an expression level 1.7-fold that in the case of the culture with an initial MSC concentration of 0.05×104 cells/cm2. Thus, a high MSC inoculum density might be appropriate for the rapid differentiation of MSCs to chondrocytes.

学術雑誌論文

Accepted Manuscript

1389-1723

1347-4421