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Proliferation and osteogenic differentiation of rat bone marrow stromal cells on bioapatite with different crystalline facets
Author(s) -
Ichinohe Norihisa,
Nakano Takayoshi,
Mitaka Toshihiro,
Umakoshi Yukichi,
Tabata Yasuhiko
Publication year - 2010
Publication title -
journal of biomedical materials research part a
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.849
H-Index - 150
eISSN - 1552-4965
pISSN - 1549-3296
DOI - 10.1002/jbm.a.32569
Subject(s) - stromal cell , materials science , alkaline phosphatase , matrix (chemical analysis) , facet (psychology) , bone marrow , microbiology and biotechnology , apatite , biophysics , biology , chemistry , immunology , biochemistry , cancer research , composite material , mineralogy , psychology , social psychology , personality , big five personality traits , enzyme
The objective of this study is to investigate the attachment, osteogenic differentiation, and collagen matrix secretion of rat bone marrow stromal cells (MSC) and MC3T3‐E1 cells on the biological apatite (Ap) with different crystalline facets. The Ap samples with a‐facet and c‐facet surfaces were prepared by cutting the heat‐treated cortical bone of bovine femurs parallel and perpendicular to the longitudinal direction, respectively. MC3T3‐E1 cells attached spreading on the a‐Ap sample whereas their shape of cells was round on the c‐Ap. No difference in the proliferation profile of MSC and MC3T3‐E1 cells was observed between the two samples. The activity of alkaline phosphatase was significantly higher for both the cells on the a‐Ap sample than that of c‐Ap one. The matrix of collagen secreted from MC3T3‐E1 cells on the a‐Ap sample oriented along the c ‐axis of Ap, in contrast to those of c‐Ap. The cells tended to align along the collagen orientation. It is concluded that the alignment of cells is influenced by the collagen fibril orientation of Ap samples. © 2009 Wiley Periodicals, Inc. J Biomed Mater Res, 2010

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