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BMP-2-loaded silica nanotube fibrous meshes for bone generation

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Author(s): Song Chen, Xuetao Shi, Hiromi Morita, Jie Li, Nobuhiro Ogawa, Toshiyuki Ikoma, Satoshi Hayakawa, Yuki Shirosaki, Akiyoshi Osaka and Nobutaka Hanagata

Journal: Science and Technology of Advanced Materials
ISSN 1468-6996

Volume: 12;
Issue: 6;
Start page: 065003;
Date: 2011;
Original page

ABSTRACT
Silica nanotube fibrous meshes were fabricated as multiple functional matrices for both delivering bone morphological protein-2 (BMP-2) and supporting osteoblast attachment and proliferation. The meshes were fabricated via a collagen-templated sol–gel route and consisted of tubular silica with open ends. BMP-2 was loaded to the meshes by soaking in BMP-2 solution. The meshes effectively enabled the attachment and proliferation of osteoblast MC3T3-E1 cells and delivered bioactive BMP-2 to stimulate cell differentiation. These results demonstrate the potential use of the meshes in bone generation applications.
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