Hum Cell:来自牙髓干细胞构建的血管网络用于成骨

2019-01-10 MedSci MedSci原创

骨组织的再生是研究的热门领域,并且预期未来的临床应用。在这里,为了建立新的骨移植材料和实验骨组织模型,我们在体外制备了包含来自人牙髓干细胞的血管网络的联合紧凑和海绵骨组织。应用细胞珠和细胞片方法构建三维骨组织,使用旋转装置培养30天。使用微型计算机断层扫描,我们评估了紧凑和海绵骨之间的结构差异。组织学检查显示存在含有骨细胞,哈弗氏管样结构和广泛血管形成的骨陷。此外,还观察到抗酒石酸酸性磷酸酶(TR

骨组织的再生是研究的热门领域,并且预期未来的临床应用。在这里,为了建立新的骨移植材料和实验骨组织模型,我们在体外制备了包含来自人牙髓干细胞血管网络的联合紧凑和海绵骨组织。

应用细胞珠和细胞片方法构建三维骨组织,使用旋转装置培养30天。使用微型计算机断层扫描,我们评估了紧凑和海绵骨之间的结构差异。组织学检查显示存在含有骨细胞,哈弗氏管样结构和广泛血管形成的骨陷。此外,还观察到抗酒石酸酸性磷酸酶(TRAP)染色阳性破骨细胞样细胞。

因此,使用该方法产生的骨组织非常类似于天然骨组织并且可具有骨重塑能力。我们使用这种方法在体外成功地产生了含有血管网络的骨组织,可适用于医学护理,骨生成,药物筛选测定和骨组织药物开发的研究。

原始出处:

Watanabe M, Ohyama A, Ishikawa H, Tanaka A. Three-dimensional bone formation including vascular networks derived from dental pulp stem cells in vitro. Hum Cell. 2018 Dec 6. doi: 10.1007/s13577-018-00228-y.

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    2019-08-08 维他命
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    2019-10-10 jxrzshh
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    2019-01-11 zhaojie88
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