Journal
BIOTECHNOLOGY AND BIOENGINEERING
Volume 98, Issue 3, Pages 578-585Publisher
WILEY
DOI: 10.1002/bit.21452
Keywords
collagen microcarrier; cell encapsulation; C2C12 cells; proliferation
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A novel method of preparing collagen micro-carriers was developed and used to entrap adherent cells for I cell culturing. This new technique involved seeding of cells in micro gel beads comprised of collagen fibrils dispersed in alginate. The gel beads were washed with phosphate buffered saline (PBS) to remove alginate and the resulting micro-spheres, about 300-500 mu m in diameter, contained evenly distributed collagen fibrils which provided a 3D biomimetic environment for cell growth. The applicability of this micro-encapsulating system was demonstrated by its ability to support the growth of C2C12 myoblast cells. When seeded and cultured within the 3D collagen microcarriers, the a population of C2C12 cells entrapped within the microcarriers increased by 1.5 folds in 7 days after inoculation. This encapsulation technique is potentially useful for culturing cells and especially useful for adherent cells that require a 3D fibrillar collagen environment.
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