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- W2002254285 abstract "Chitosan scaffolds were prepared by freeze-drying method and modified with Arg-Gly-Asp (RGD) sequence of fibronectin or epidermal growth factor (EGF) by covalent immobilization. The results obtained from FTIR-ATR, fluorescence visualization and quantitative measurements showed that biosignal molecules, RGD and EGF, were successfully immobilized on chitosan scaffolds. ATDC5 murine chondrogenic cells were seeded on both type of scaffolds, chitosan-RGD and chitosan-EGF, and cultured for 28 days in stationary conditions. According to the results of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazoliumbromide (MTT) test, considerable increase in cell proliferation was only detected on chitosan-EGF scaffolds. Biochemical analysis of the chondrocyte seeded scaffolds showed that glycosaminoglycan (GAG) and deoxyribonucleic acid (DNA) content of the scaffolds increases with time. In conclusion, EGF-modified chitosan scaffolds (containing 1.83 μg EGF/3 mg dry scaffold) have been proposed to promote chondrogenesis and to have potential for reticular cartilage regeneration." @default.
- W2002254285 created "2016-06-24" @default.
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- W2002254285 date "2008-08-01" @default.
- W2002254285 modified "2023-10-02" @default.
- W2002254285 title "Evaluation of RGD- or EGF-immobilized chitosan scaffolds for chondrogenic activity" @default.
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- W2002254285 doi "https://doi.org/10.1016/j.ijbiomac.2008.04.003" @default.
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