PMID: 20635043Jul 17, 2010Paper

Isolation of mesenchymal stem cells from human umbilical cord blood and its bone inducing activity in vitro

Shanghai kou qiang yi xue = Shanghai journal of stomatology
He ZhangHong Zhou

Abstract

To investigate the biological characters of mesenchymal stem cells obtained from human umbilical cord blood(HUCB-MSCs), and detect the influence of different serum concentrations of culture medium to primary HUCB-MSCs' growth kinetics and the osteogenic differentiation capacity of the passage cells. The mononuclear cells were isolated from umbilical cord blood(UCB), the growth characters and morphology of the primary MSCs were observed. Primary cells were cultured in alpha-MEM with different serum concentrations, and immunophenotype was investigated. P3 cells were induced to osteoblast-like cells and the differentiation results were analysed. SPSS 16.0 software package was used for statistical analysis through repeated measures analysis of variances. Four subpopulations with different morphology could be distinguished in primary HUCB-MSCs. All the subpopulations were positive for CD44 and CD105, and negative for CD34 and CD45. HUCB-MSCs displayed faster and stable growth when cultured in alpha-MEM containing 15% serum. Passage cells of HUCB-MSCs could be induced into osteoblast-like cells, the formation of mineralized extracellular matrix and the positive staining of expression of ALP could be observed. HUCB-MSCs are high in vi...Continue Reading

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