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Human adipose tissue-derived stromal cells differentiate into osteogenic cells / 实用口腔医学杂志
Journal of Practical Stomatology ; (6)2000.
Article in Chinese | WPRIM | ID: wpr-670658
ABSTRACT

Objective:

To investigate the optimal culture conditio ns for adipose tissue-derived stromal cells(ADSCs) and for the induction of these cells to differentiate into osteogenic cells.

Methods:

ADSCs were cultured with routine methods,bFGF at 20 ng/ml was added into the medium and the proliferative of ADSCs was examined by cell counting. 0.1 ?mol /L of dexamethasone,10 mmol/L of ?-glycerophosphate and 50 ?mol/L of ascorbic acid were adapted to induce the cells to differentiate into osteogenic cells, ADSCs were identified by immunocytochemistry and differentiated osteogenic cells were identified by alkaline phosphatase(AP) staining and immunocytochemistry.

Result:

A population of ADSCs could be isolated from adul t human adipose tissue,the cells were fibroblast-like and could be maintaine d in vitro for extended periods with stable population doubling.The cells w ere expanded as undifferentiated in culture for more than 10 passages, indicati ng their proliferative capacity.bFGF stimulated the cell proliferation.Dexameth asone,?-glycerophosphate and ascorbic acid induced (40?8.6)% of ADSCs to ex press alkaline phosphatase(AP) ,(35?10.6)% of AP positive ADSCs were found to be collagen I positive. Calcification plaques were occasionally found in the cul tures.

Conclusion:

The data support the hypothesis that adu lt human adipose tissue contains stem cells capable of diffferentiating into ost eogenic cells.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Stomatology Year: 2000 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Stomatology Year: 2000 Type: Article