SEA-4 is a Marker of Human Deciduous Periodontal Ligament Stem Cells

被引:21
作者
Fukushima, H. [2 ]
Kawanabe, N. [1 ]
Murata, S. [2 ]
Ishihara, Y. [2 ]
Yanagita, T. [1 ]
Balam, T. A. [2 ]
Yamashiro, T. [2 ]
机构
[1] Okayama Univ Hosp, Dept Orthodont, Okayama 7008525, Japan
[2] Okayama Univ, Dept Orthodont, Grad Sch Med Dent & Pharmaceut Sci, Okayama 7008530, Japan
基金
日本学术振兴会;
关键词
human deciduous periodontal ligament; stage-specific embryonic antigen-4; adult stem cells; clonal assays; multipotential differentiation; flow cytometry; BONE-MARROW-TRANSPLANTATION; HIGH-DOSE CHEMOTHERAPY; OSTEOGENESIS IMPERFECTA; MESENCHYMAL CELLS; BREAST-CANCER; STROMAL CELLS; EPITHELIUM; CHILDREN; THERAPY; IDENTIFICATION;
D O I
10.1177/0022034512458123
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Although human deciduous teeth are an ideal source of adult stem cells, no method for identifying deciduous periodontal ligament (D-PDL) stem cells has so far been developed. In the present study, we investigated whether stage-specific embryonic antigen (SSEA)-4 is a marker that could be used to isolate D-PDL stem cells. The isolated D-PDL cells met the minimum criteria for mesenchymal stem cells (MSCs): They showed plastic adherence, specific-surface antigen expression, and multipotent differentiation potential. SSEA-4+ D-PDL cells were detected in vitro and in vivo. A flow cytometric analysis demonstrated that 22.7% of the D-PDL cells were positive for SSEA-4. SSEA-4+ clonal D-PDL cells displayed multilineage differentiation potential: They were able to differentiate into adipocytes, osteoblasts, and chondrocytes in vitro. A clonal assay demonstrated that 61.5% of the SSEA-4+ D-PDL cells had adipogenic, osteogenic, and chondrogenic potential. Our present study demonstrated that SSEA-4+ D-PDL cells are a subset of multipotent stem cells. Hence, SSEA-4 is a specific marker that can be used to identify D-PDL stem cells.
引用
收藏
页码:955 / 960
页数:6
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