Comparison of the osteogenic capability of rat bone mesenchymal stem cells on collagen,collagen/hydroxyapatite,hydroxyapatite and biphasic calcium phosphate
作者机构：National Engineering Research Center for BiomaterialsSichuan UniversityChengdu 610064P.R.China
出 版 物：《Regenerative Biomaterials》 (再生生物材料（英文版）)
年 卷 期：2018年第5卷第2期
页 面：93-103页
核心收录：
学科分类：0831[工学-生物医学工程（可授工学、理学、医学学位）] 1001[医学-基础医学(可授医学、理学学位)] 100101[医学-人体解剖与组织胚胎学] 0805[工学-材料科学与工程（可授工学、理学学位）] 10[医学]
基 金：the Sichuan Provincial STP(No.2017JY0018) the National Basic Research Program of China(973 Program,No.2012CB933600).
主 题：osteogenic differentiation spreading morphology mineralization of collagen bioceramics
摘 要：Collagen(COL),collagen/hydroxyapatite(COL/HA),HA and biphasic calcium phosphate were prepared as representative bone grafting materials with composition analogous to bone,and their structural characteristics were analyzed.The rat bone mesenchymal stem cells(BMSCs)were further seeded onto four groups of materials,and BMSCs grown in basic medium and standard osteogenic medium were set as controls of a reference model to show the basic and osteogenic behavior of cells without the intervention of materials.Cellular behaviors were characterized,including proliferation,spreading morphology and expression of osteogenesis factors.The rat BMSCs proliferated properly with time on four groups of materials as well on two groups of controls,and typical cuboidal,polygonal and extremely-elongated morphologies of cells were observed.According to the real-time polymerase chain reaction data,a higher osteogenic gene expression level was dependent upon the growing morphology but not the proliferation rate of cells,and the osteogenic differentiation capacity of cells onto four groups of materials varied in specific genes.In general,BMSCs exhibited the highest osteogenic capacity onto COL/HA,but the poorest onto HA.The growing behaviors of cells on materials were further discussed in comparison with the cases of OC and BC of the reference model.The present attempt to comparatively analyze cell experimental data with a reference model is expected to be useful for revealing the difference in the osteogenic capability of MSCs onto materials or even the bioactivity of materials.
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