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http://dx.doi.org/10.9718/JBER.2008.29.2.159

The Differentiation of bone Marrow Stromal Cells into NP-like Cells through 3-Dimensional Co-culture System  

Kim, D.H. (Dept. of Biomedical Engineering, Inje University)
Kim, S.H. (Team of BK21 / First Research Team, Institute of Biomedical Engineering, Inje University)
Heo, S.J. (Dept. of Biomedical Engineering, Inje University)
Shin, J.W. (Dept. of Biomedical Engineering, Inje University)
Kim, Y.J. (Dept. of Dental Lab. Science, Catholic University of Pusan)
Park, S.H. (Dept. of Biomedical Engineering, Inje University)
Jun, J.W. (Dept. of Biomedical Engineering, Inje University)
Shin, J.W. (Dept. of Biomedical Engineering, Inje University)
Publication Information
Journal of Biomedical Engineering Research / v.29, no.2, 2008 , pp. 159-163 More about this Journal
Abstract
The goal of this study is to investigate the effect and potential of three-dimensional Co-culture of BMSCs (bone marrow stromal Cells) and NP (nucleus pulposus) Cells on the differentiation of BMSCs into NP-like Cells. The NP Cells and BMSCs were isolated and cultured from New Zealand White rabbits. The isolated NP Cells and BMSCs were prepared in different alginate beads. Those two types of beads were separated by a track-etched membrane of $3\;{\mu}m$ pore in a 6-well culture plate. No growth factors were used. In addition to these, NP and BMSC were cultured in the beads independently for control. The number of Cells in Co-culturing system was half of those in two control groups. Proliferation and production of glycosaminoglycan (GAG) were evaluated along with histological observation. The GAG production rate(GAG contents/Cell) of Co-cultured BMSCs were much higher than that of BMSCs cultured alone. The total amounts of GAG produced by BMSCs in Co-culturing system were larger than those produced by BMSCs in control group and were comparable with those produced by NP alone even the number of each Cell was half of BMSCs in Co-culturing system. This study showed the potential of differentiation of BMSCs into NP-like Cells through three-dimensional Co-culture system even without any chemical agents.
Keywords
bone marrow stromal cell(BMSCs); np-like cell; 3-dimensional co-culture;
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