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Chemical Functionalization of pla Surfaces Enhances Osteogenic Differentiation of MC3T3 Cells

机译:PLA表面的化学官能化增强了MC3T3细胞的成骨分化

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In the field of bone tissue engineering, many implants containing calcium are used to bridge bone defects. From calcium phosphate ceramics to coatings of calcium phosphate on other material types, cells in the patient's body are brought into contact with these implants. Their similarity to the bone, in terms of chemical composition, brought them successfully into the clinic. However, the biological effect of these materials in the cells that adhere to their surfaces is not completely understood. Some reports have shown that extracellular calcium ions ([Ca2+]o) can stimulate osteogenesis of different cell types, including expression of osteoinductive proteins such as bone morphogenetic protein 2 (BMP-2). Understanding not only the effect but also the biological mechanism triggered by the release of calcium ions in cells in the vicinity of implants could improve the design of these implants or even generate new strategies to target bone defects.
机译:在骨组织工程领域中,许多含钙的植入物用于弥合骨缺陷。从磷酸钙陶瓷到磷酸钙涂覆其他材料类型中,患者体内的细胞与这些植入物接触。在化学成分方面,它们与骨骼的相似性使其成功地进入诊所。然而,这些材料在细胞中粘附在其表面的细胞中的生物学效应是不完全理解的。有些报道表明,细胞外钙离子([Ca2 +] O)可以刺激不同细胞类型的骨质发生,包括骨诱导蛋白如骨形态发生蛋白2(BMP-2)的表达。不仅理解植入物附近钙离子释放引发的生物学机制可以改善这些植入物的设计,甚至可以产生靶骨缺损的新策略。

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