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首页> 外文期刊>Cytokine >Basic fibroblast growth factor enhances the osteogenic differentiation induced by bone morphogenetic protein-6 in vitro and in vivo
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Basic fibroblast growth factor enhances the osteogenic differentiation induced by bone morphogenetic protein-6 in vitro and in vivo

机译:碱性成纤维细胞生长因子在体外和体内增强骨形态发生蛋白-6诱导的成骨分化

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摘要

Some members of the bone morphogenetic protein subfamily (BMP-2 and -7) are currently used in orthopedic surgery for several applications. Although their use is considered safe at short term, the high doses of growth factors needed make these treatments expensive and their safety uncertain at long term. BMP-6 has been much less studied than BMP-2 and -7, but some authors suggest that this BMP might have a stronger osteogenic activity than the previously mentioned. Having in mind that angiogenesis plays a well-known role during bone formation, the aim of this work was to study the effect of combining BMP-6 with bFGF on both the growth and differentiation of MC3T3-E1 mouse preosteoblasts and rat bone marrow-derived mesenchymal stem cells (MSCs), as well as on in vivo osteogenesis. We demonstrate that a low dose of bFGF enhances the osteogenic differentiation of MSCs induced by BMP-6 in vitro. Furthermore, we also demonstrate that bone formation in vivo induced by BMP-6 can be accelerated and enhanced by adding a low dose of bFGF, what might suggest a synergic effect between these growth factors on in vivo osteogenesis.
机译:骨形态发生蛋白亚家族的某些成员(BMP-2和-7)目前在整形外科中用于多种应用。尽管短期内使用它们被认为是安全的,但是所需的高剂量生长因子使这些治疗变得昂贵,并且从长期来看其安全性不确定。对BMP-6的研究比对BMP-2和-7的研究少得多,但是一些作者建议,这种BMP可能比前面提到的具有更强的成骨活性。考虑到血管生成在骨骼形成过程中起着众所周知的作用,这项工作的目的是研究将BMP-6与bFGF结合对MC3T3-E1小鼠前成骨细胞和大鼠骨髓来源的生长和分化的影响间充质干细胞(MSCs)以及体内成骨作用。我们证明了低剂量的bFGF增强了BMP-6在体外诱导的MSC的成骨分化。此外,我们还证明了通过添加低剂量的bFGF可以加速和增强BMP-6诱导的体内骨形成,这可能暗示了这些生长因子之间对体内成骨的协同作用。

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