期刊
TISSUE ENGINEERING PART A
卷 15, 期 5, 页码 1099-1107出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/ten.tea.2008.0242
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资金
- Japanese Ministry of Education, Culture, Sports, Science and Technology
For the purpose of applying fetal liver cells (FLCs) as a cell source to tissue-engineered bioartificial livers, three-dimensional (3-D) cultures of FLCs using a porous polymer scaffold, as well as monolayer cultures as a control, were simultaneously performed. To achieve efficient growth and differentiation, the FLCs were cultured in the growth medium for the first 3 weeks and then cultured in the differentiation medium for 3 more weeks. In these cultures, stimulating factors (oncostatin M (OSM), epidermal growth factor (EGF), hepatocyte growth factor (HGF), or dimethyl sulfoxide (DMSO)) were added to the media, and their effects were examined. When the growth medium containing OSM and EGF was used, EGF stimulated the growth of FLCs synergistically with OSM. For the differentiation of FLCs into mature hepatocytes, DMSO added to the differentiation medium remarkably enhanced albumin secretion in the 3-D and monolayer cultures, although HGF was effective only in the monolayer culture. Microscopic observation proved that FLCs exhibited hepatocyte-like morphology only in the media containing DMSO. In conclusion, successive supply of the growth medium containing EGF and OSM and the differentiation medium containing DMSO efficiently induced the growth of the 3-D cultured FLCs and their differentiation into mature hepatocytes.
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