Behaviour of human mesenchymal stem cells on chemically synthesized HA-PCL scaffolds for hard tissue regeneration

被引:36
作者
D'Anto, Vincenzo [1 ,2 ,3 ]
Raucci, Maria Grazia [1 ]
Guarino, Vincenzo [1 ]
Martina, Stefano [2 ]
Valletta, Rosa [2 ]
Ambrosio, Luigi [1 ]
机构
[1] CNR, Natl Res Council Italy, Inst Composite & Biomed Mat IMCB, P Le Tecchio 80, I-80125 Naples, Italy
[2] Univ Naples Federico II, Dept Neurosci Reprod Sci & Oral Sci, Naples, Italy
[3] Bambino Gesu Pediat Hosp, Dept Pediat Surg & Transplantat, Rome, Italy
关键词
composite material; hydroxyapatite; polymer; scaffold; human mesenchymal stem cells; dental pulp stem cells; bone defects; MARROW STROMAL CELLS; SOL-GEL SYNTHESIS; TRICALCIUM PHOSPHATE; IN-VITRO; OSTEOGENIC DIFFERENTIATION; BONE REPAIR; HYDROXYAPATITE; HYBRID; BIOACTIVITY; PARTICLES;
D O I
10.1002/term.1768
中图分类号
Q813 [细胞工程];
学科分类号
100113 [医学细胞生物学];
摘要
Our goal was to characterize the response of human mesenchymal stem cells (hMSCs) to a novel composite scaffold for bone tissue engineering. The hydroxyapatite-polycaprolactone (HA-PCL) composite scaffolds were prepared by a sol-gel method at room temperature and the scaffold morphology was investigated by scanning electron microscopy (SEM)/energy-dispersive spectroscopy (EDS) to validate the synthesis process. The response of two different lines of hMSCs, bone-marrow-derived human mesenchymal stem cells (BMSCs) and dental pulp stem cells (DPSCs) in terms of cell proliferation and differentiation into the osteoblastic phenotype, was evaluated using Alamar blue assay, SEM, histology and alkaline phosphatase activity. Our results indicate that tissue engineering by means of composite HA-PCL scaffolds may represent a new therapeutic strategy to repair craniofacial bone defects. Copyright (c) 2013 John Wiley & Sons, Ltd.
引用
收藏
页码:E147 / E154
页数:8
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