Dedifferentiated fat cells: an alternative source of adult multipotent cells from the adipose tissues

Jie-fei Shen; Atsunori Sugawara; Joe Yamashita; Hideo Ogura; Soh Sato

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Dedifferentiated fat cells: an alternative source of adult multipotent cells from the adipose tissues

机译：去分化脂肪细胞：来自脂肪组织的成年多能细胞的替代来源

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When adipose-derived stem cells (ASCs) are retrieved from the stromal vascular portion of adipose tissue, a large amount of mature adipocytes are often discarded. However, by modified ceiling culture technique based on their buoyancy, mature adipocytes can be easily isolated from the adipose cell suspension and dedifferen- tiated into lipid-free fibroblast-like cells, named dedifferentiated fat (DFAT) cells. DFAT cells re-establish active proliferation ability and undertake multipotent capacities. Compared with ASCs and other adult stem cells, DFAT cells showed unique advantages in their abundance, isolation and homogeneity. In this concise review, the establishment and culture methods of DFAT cells are introduced and the current profiles of their cellular nature are summarized. Under proper induction culture in vitro or environment in vivo, DFAT cells could demonstrate adipogenic, osteogenic, chondrogenic and myogenic potentials. In angiogenic conditions, DFAT cells could exhibit perivascular characteristics and elicit neovascularization. Our preliminary findings also suggested the pericyte phenotype underlying such cell lineage, which supported a novel interpretation about the common origin of mesenchymal stem cells and tissue-specific stem cells within blood vessel walls. Current research on DFAT cells indicated that this alternative source of adult multipotent cells has great potential in tissue engineering and regenerative medicine.

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《国际口腔科学杂志（英文版）》 |2011年第3期|117-124|共8页
作者
Jie-fei Shen; Atsunori Sugawara; Joe Yamashita; Hideo Ogura; Soh Sato;
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Department of Periodontology, School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-1500, Japan;

Department of Dental Materials, School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-1500, Japan;

Department of Periodontology, School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-1500, Japan;

Department of Periodontology, School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-1500, Japan;

2Department of Dental Materials, School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-1500, Japan;

Department of Periodontology, School of Life Dentistry at Niigata, Nippon Dental University, Niigata 951-1500, Japan;

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Dedifferentiated fat cells: an alternative source of adult multipotent cells from the adipose tissues

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