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Non-mulberry silk fibroin influence osteogenesis and osteoblast-macrophage cross talk on titanium based surface
D. Naskar, , T. Dey, S.C. Kundu
Published in Nature Publishing Groups
PMID: 24752225
Volume: 4
The titanium and its alloys are used as orthopedic dental implants due to their mechanical and bio-inert properties. The bare metal implants are not the ultimate answer for better osteogenesis and implant integration. Physical and chemical modifications are carried out to achieve the goal of improved adhesion and differentiation of the osteoblast. In this work, the silk fibroins from both mulberry and non-mulberry sources are used for surface modification. Silk fibroins are immobilized on titanium surface to facilitate the initial cell adhesion followed by improved cell spreading and better mineralization in order to achieve enhanced osseointegration. The immunological responses along with the effect of cytokines on osteoblast adhesion and function are investigated. The non-mulberry fibroin performs better in the context of the cell adherence and differentiation, which lead to better mineralization. The results indicate that the silk fibroin from non-mulberry source can be used for better osteogenesis on orthopedic implants.
About the journal
JournalScientific Reports
PublisherNature Publishing Groups