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- W2018257298 abstract "Abstract Aim: The aim of the present study was to assess the influence of the chemical characteristics and roughness of titanium surfaces on the viability, proliferation and differentiation of osteoblast‐like cells cultured in a medium supplemented with recombinant human bone morphogenetic protein‐7 (rhBMP‐7). Material and methods: Osteo‐1 cells were grown on titanium disks presenting with the following surfaces: (1) machined, (2) coarse grit‐blasted and acid‐attacked (SLA) and (3) chemically modified SLA (SLAmod) in the absence or presence of 20 ng/ml rhBMP‐7 in culture medium. The viability and number of osteo‐1 cells were evaluated after 24 h. Analyses of total protein content (TP) and alkaline phosphatase (AP) activity at 7, 14 and 21 days, collagen content at 7 and 21 days and mineralized matrix formation at 21 days were performed. Results: Cell viability ( P =0.5516), cell number ( P =0.3485), collagen content ( P =0.1165) and mineralized matrix formation ( P =0.5319) were not affected by the different surface configurations or by the addition of rhBMP‐7 to the medium. Osteo‐1 cells cultured on SLA surfaces showed a significant increase in TP at 21 days. The ALPase/TP ratio ( P =0.00001) was affected by treatment and time. Conclusion: The results suggest that the addition of rhBMP‐7 to the culture medium did not exert any effect on the viability, proliferation or differentiation of osteoblast‐like cells grown on the different surfaces tested. All titanium surfaces analyzed allowed the complete expression of the osteoblast phenotype such as matrix mineralization by osteo‐1 cells." @default.
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- W2018257298 date "2009-04-12" @default.
- W2018257298 modified "2023-10-13" @default.
- W2018257298 title "Effect of recombinant human bone morphogenetic protein-7 (rhBMP-7) on the viability, proliferation and differentiation of osteoblast-like cells cultured on a chemically modified titanium surface" @default.
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- W2018257298 doi "https://doi.org/10.1111/j.1600-0501.2008.01669.x" @default.
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