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  • Title: [Molecular clone of adipose-derived stromal cells with high potential of adipogenic differentiation].
    Author: Wang YY, Gao JH, Jiang P, Lu F, Liao YJ.
    Journal: Zhonghua Zheng Xing Wai Ke Za Zhi; 2008 Sep; 24(5):381-4. PubMed ID: 19119643.
    Abstract:
    OBJECTIVE: To investigate the surface markers of adipose-derived stromal cells (ASCs) with high potential of adipogenic differentiation for increasing efficiency of adipose tissue engineering with selected seeds cells. METHODS: ASCs were harvested from human adipose tissue by collagenase digestion. After proliferation and adipogenic induction of ASCs, the mature induced adipocytes floating in the induction medium were collected. Ceiling culture was used to culture adipocytes and then dedifferentiated adipocytes was obtained at the ceiling. The reproductive activity, adipogenic differentiation potency and expression of surface markers were compared between the dedifferentiated adipocytes and ASCs. RESULTS: The reproductive activity between the dedifferentiation adipocytes and ASCs were similar. The potential of adipogenic differentiation of the dedifferentiated adipocytes was stronger than that of the ASCs. The expression of cell surface markers of both cells were almost the same. But the CD54 positive expression in dedifferentiated adipocytes was higher than that in ASCs. CONCLUSION: The CD54 expression maybe closely associated with high potential of adipogenic differentiation of dedifferentiated adipocytes. CU54 maybe the specific identification of cell surface marker of ASCs with high adipogenic differentiation.
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