Bioinert Surface of Pluronic-Immobilized Flask for Preservation of Hematopoietic Stem Cells

The bioinert materials on which cells do not proliferate, differentiate, nor de-differentiate should be useful for the culture and preservation of stem cells. The Pluronic F127, a triblock copolymer of ethylene oxide, and propylene oxide was activated using carbonyldiimidazole (CDI), and CDI-activat...

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Bibliographic Details
Published in:Biomacromolecules 2006-04, Vol.7 (4), p.1083-1089
Main Authors: Higuchi, Akon, Aoki, Nobuo, Yamamoto, Taro, Gomei, Yumiko, Egashira, Satsuki, Matsuoka, Yuki, Miyazaki, Toyohiko, Fukushima, Hisashi, Jyujyoji, Shin, Natori, Shizue H
Format: Article
Language:English
Subjects:
Animals
Biomarkers - metabolism
Cell Line
Cells, Cultured
Cells, Immobilized - drug effects
Hematopoietic Stem Cells - cytology
Hematopoietic Stem Cells - drug effects
Hematopoietic Stem Cells - metabolism
Humans
Mice
Molecular Structure
Poloxamer - chemistry
Poloxamer - pharmacology
Surface Properties
Umbilical Cord - cytology
Umbilical Cord - drug effects
Umbilical Cord - physiology
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Summary:The bioinert materials on which cells do not proliferate, differentiate, nor de-differentiate should be useful for the culture and preservation of stem cells. The Pluronic F127, a triblock copolymer of ethylene oxide, and propylene oxide was activated using carbonyldiimidazole (CDI), and CDI-activated Pluronic was subsequently immobilized on the surface of a lysine-coated polystyrene tissue culture flask. The morphology of fibroblasts (L929 cells) on the Pluronic-immobilized flask was spherical, and did not show spreading behavior. This observation indicates that L929 cells on the Pluronic-immobilized flask were cultured in a bioinert environment. The expression ratio of surface markers on hematopoietic stem cells (CD34 and CD133) cultured in the Pluronic-immobilized flask was significantly higher than that in polystyrene tissue culture flask and commercially available bioinert flask (i.e., low cell binding cultureware). This is caused by the existence of hydrophilic segments of Pluronic F127 on the Pluronic-immobilized flask.
ISSN:1525-7797
1526-4602
DOI:10.1021/bm050868n