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[Growth of osteoblasts following culture on two collagen scaffolds]
1Department of Stomatology, PUMC Hospital, CAMS and PUMC, Beijing 100730, China.
Objective:
To explore the growth of osteoblasts following culture on two absorbable collagen scaffolds.
Methods:
MC3T3-E1 osteoblast cell line was inoculated on two collagen scaffolds (BME-10X and Bio-Gide) and co-cultured in vitro. The adhesion and migration of cells were detected by optical microscope. Cell proliferation was detected using CCK-8 reagent kit. The ultrastructure of the adhesion between cells and scaffolds were observed using electronic microscopy.
Results:
MC3T3-E1 osteoblast cell line could adhere, migrate, and proliferate on both two membranes. The proliferation of cells showed no significant difference between porous layer and nonporous layer of BME-10X (P > 0.05), while the rate of proliferation was significantly different between loose layer and dense layer of Bio-Gide (P < 0.05).
Conclusion:
Both BME-10X and Bio-Gide have good biocompatibility with MC3T3-E1 osteoblast cell line, and the double-layer structure of Bio-Gide can prevent the cells to grow into the dense layer.

