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KMID : 1204720090020010059
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International Journal of Stem Cells
2009 Volume.2 No. 1 p.59 ~ p.68
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Cytokine Secretion Profiling of Human Mesenchymal Stem Cells by Antibody Array
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Park Chae-Woon
Myung Pyung-Keun
Kim Keun-Soo
Hong Hyo-Jeong
Kim Ho-eon
Son Hye-Kyeong
Bae So-hyun
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Abstract
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Mesenchymal stem cells (MSCs) provide not only cell sources for connective tissues but also the control of hematopoiesis and immune response. A multitude of cytokines and growth factors secreted from MSCs are known to confer such multifunctional functionality, but their overall spectrum and the respective expression strength have not been thoroughly illustrated. In this study, we have obtained the comprehensive cytokine secretion profile of human bone marrow (BM)-derived MSCs, with the use of an antibody array recognizing 120 cytokines and chemokines. The array membrane incubated with the secretion media of the cells featured a predominant hybridization signal for IL-6 and moderately elevated signals for IL-8, TIMP-2, MCP-1, VEGF and OPG. This cytokine secretion profile was found to be common to all cell lines from three different donors, and also similar but not identical to that of umbilical cord blood-derived cells, suggesting that the trophic nature of the MSCs might depend slightly on the cell origin but not on individuality of the donors. Our results here may provide the molecular basis for further studies on MSC-assisted biological processes, such as connective tissue homeostasis, hematopoiesis and immune modulation.
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KEYWORD
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Cytokine secretion profile, Mesenchymal stem cells, Antibody array
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