Identification of Proteins with Potential Osteogenic Activity Present in the Water-Soluble Matrix Proteins fromCrassostrea gigasNacre Using a Proteomic Approach
Open Access
- 1 January 2012
- journal article
- Published by Hindawi Limited in The Scientific World Journal
- Vol. 2012, 1-9
- https://doi.org/10.1100/2012/765909
Abstract
Nacre, when implantedin vivoin bones of dogs, sheep, mice, and humans, induces a biological response that includes integration and osteogenic activity on the host tissue that seems to be activated by a set of proteins present in the nacre water-soluble matrix (WSM). We describe here an experimental approach that can accurately identify the proteins present in the WSM of shell mollusk nacre. Four proteins (three gigasin-2 isoforms and a cystatin A2) were for the first time identified in WSM ofCrassostrea gigasnacre using 2DE and LC-MS/MS for protein identification. These proteins are thought to be involved in bone remodeling processes and could be responsible for the biocompatibility shown between bone and nacre grafts. These results represent a contribution to the study of shell biomineralization process and opens new perspectives for the development of new nacre biomaterials for orthopedic applications.Keywords
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