Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/71340
標題: Multilineage differentiation and characterization of the human fetal osteoblastic 1.19 cell line: A possible in vitro model of human mesenchymal progenitors
作者: Yen, M.L.
Chien, C.C.
Chiu, I.M.
Huang, H.I.
Chen, Y.C.
Hu, H.I.
Yen, B.L.
關鍵字: mesenchymal stem cells
multilineage differentiation
Nestin
Oct-4
osteoprogenitor
cell line
marrow stromal cells
umbilical-cord blood
gene-product leptin
stem-cells
bone-marrow
adipose-tissue
telomerase expression
muscle
regeneration
precursor cells
trabecular bone
期刊/報告no:: Stem Cells, Volume 25, Issue 1, Page(s) 125-131.
摘要: The in vitro study of human bone marrow mesenchymal stromal cells (BMMSCs) has largely depended on the use of primary cultures. Although these are excellent model systems, their scarcity, heterogeneity, and limited lifespan restrict their usefulness. This has led researchers to look for other sources of MSCs, and recently, such a population of progenitor/stem cells has been found in mesodermal tissues, including bone. We therefore hypothesized that a well-studied and commercially available clonal human osteoprogenitor cell line, the fetal osteoblastic 1.19 cell line (hFOB), may have multilineage differentiation potential. We found that undifferentiated hFOB cells possess similar cell surface markers as BMMSCs and also express the embryonic stem cell-related pluripotency gene, Oct-4, as well as the neural progenitor marker nestin. hFOB cells can also undergo multilineage differentiation into the mesodermal lineages of chondrogenic and adipocytic cell types in addition to its predetermined pathway, the mature osteoblast. Moreover, as with BMMSCs, under neural-inducing conditions, hFOB cells acquire a neural-like phenotype. This human cell line has been a widelyused model of normal osteoblast differentiation. Our data suggest that hFOB cells may provide for researchers an easily available, homogeneous, and consistent in vitro model for study of human mesenchymal progenitor cells.
URI: http://hdl.handle.net/11455/71340
ISSN: 1066-5099
文章連結: http://dx.doi.org/10.1634/stemcells.2006-0295
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