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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Kim, Seong Min Mao, Hongli Ueki, Masashi Ito, Yoshihiro |
| Copyright Year | 2017 |
| Abstract | In vitro expansion of human mesenchymal stem cells (hMSCs) using serum-free culture medium is important for basic research and clinical applications. It is known that some growth factors are required for developing a defined medium for hMSC culture. However, growth factors usually show poor stability, short circulating half-life and a rapid rate of cellular internalization when they are in a diffusible state. A potential way to overcome these problems is to immobilize growth factors on materials. Here, three different types of growth factors, basic fibroblast growth factor, transforming growth factor-beta, and platelet-derived growth factor, were co-immobilized on cell culture dish surfaces by photo-reactive gelatin and used for serum-free hMSC cultures. The results showed that the immobilized growth factors supported cell proliferation similarly to the serum-containing medium. More importantly, the immobilization of growth factors significantly improved their thermal stability and efficiently prolonged their shelf life at 4 °C and 37 °C. Furthermore, the immobilized growth factors could be reused at least three times without losing their stimulation effect on cell proliferation. This photo-reactive gelatin-based immobilization of growth factors appears to be a promising method for serum-free hMSC culturing. |
| Starting Page | 928 |
| Ending Page | 934 |
| Page Count | 7 |
| File Format | HTM / HTML PDF |
| ISSN | 2050750X |
| Volume Number | 5 |
| Issue Number | 5 |
| Journal | Journal of Materials Chemistry B |
| DOI | 10.1039/c6tb02867e |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Mesenchymal stem cell Half-life Fibroblast Growth factor Transforming growth factor beta Cell culture Gelatin |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Medicine Materials Science Biomedical Engineering |
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