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KMID : 0624620140470020110
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BMB Reports
2014 Volume.47 No. 2 p.110 ~ p.114
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Comparative evaluation of the biological properties of fibrin for bone regeneration
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Oh Joung-Hwan
Kim Hye-Jin
Kim Tae-Il
Woo Kyung-Mi
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Abstract
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Fibrin is a natural provisional matrix found in wound healing, while type I collagen is a major organic component of bone matrix. Despite the frequent use of fibrin and type I collagen in bone regenerative approaches, their comparative efficacies have not yet been evaluated. In the present study, we compared the effects of fibrin and collagen on the proliferation and differentiation of osteoblasts and protein adsorption. Compared to collagen, fibrin adsorbed approximately 6.7 times more serum fibronectin. Moreover, fibrin allowed the proliferation of larger MC3T3-E1 pre-osteoblasts, especially at a low cell density. Fibrin promoted osteoblast differentiation at higher levels than collagen, as confirmed by Runx2 expression and transcriptional activity, alkaline phosphatase activity, and calcium deposition. The results of the present study suggest that fibrin is superior to collagen in the support of bone regeneration.
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KEYWORD
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Collagen, Fibrin, Fibronectin, Osteoblast, Protein adsorption
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