期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 343, 期 4, 页码 1118-1123出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2006.03.061
关键词
adipose tissues; osteoblasts; adipocytes; bone formation
In the clinical field, cell-based therapies are used to treat bone defects. Adipose tissues contain many osteoblast progenitors, among other cell types. We separated mouse adipose tissue-derived stromal cells (ATSCs) according to their cell adhesive properties. Cells in a fraction adherent to the culture dishes 0.5 h after inoculation (AF-0.5) had a potent ability to differentiate into both osteoblasts and adipocytes in vitro. Their differentiation pathways depended on the culture conditions. In these cells, the expression of marker genes for osteoblast differentiation was induced in osteogenic medium. Moreover, the AF-0.5 cells, which were induced to differentiate into osteoblasts in vitro, formed abundant bone tissues in vivo. These results suggest that the AF-0.5 cells have been enriched with bi-potential progenitor cells destined for either osteoblasts or adipocytes. This simple and efficient method for preparing osteoblast progenitor cells from ATSCs may be utilized for bone defect treatment clinically. (c) 2006 Elsevier Inc. All rights reserved.
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