Bone tissue engineering with human stem cells.

Bone tissue engineering with human stem cells.
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DOI:
10.1186/scrt10
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发表时间:
2010-05-04
影响因子:
7.5
通讯作者:
Novakovic GV
Novakovic GV
中科院分区:
医学2区
文献类型:
--
作者:
Marolt D;Knezevic M;Novakovic GV

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广泛骨缺损的治疗需要自体骨移植或骨替代材料的植入。一个有吸引力的替代方案是在支持骨形成的条件下,通过在三维支架内培养成骨细胞来设计完全可行的体外生物骨移植物。这种移植物可以用于植入,也可以作为骨发育、疾病和药物发现的基础和转化研究的生理学相关模型。一种可以从少量初始收获中获得大量并可预测地分化为骨形成细胞的人类细胞来源对于工程人骨移植物至关重要。我们讨论了各种类型的人类胚胎和成体干细胞的特点和局限性,以及它们在骨组织工程中的应用。
Treatment of extensive bone defects requires autologous bone grafting or implantation of bone substitute materials. An attractive alternative has been to engineer fully viable, biological bone grafts in vitro by culturing osteogenic cells within three-dimensional scaffolds, under conditions supporting bone formation. Such grafts could be used for implantation, but also as physiologically relevant models in basic and translational studies of bone development, disease and drug discovery. A source of human cells that can be derived in large numbers from a small initial harvest and predictably differentiated into bone forming cells is critically important for engineering human bone grafts. We discuss the characteristics and limitations of various types of human embryonic and adult stem cells, and their utility for bone tissue engineering.
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