J Endod:BMP-2负载增强中孔硅酸钙支架诱导人牙髓细胞成牙本质分化能力的研究

2018-11-20 lishiting MedSci原创

硅酸钙生物陶瓷因其良好的生物活性和生物相容性已作为修复或移植材料被广泛应用于口腔领域的治疗中。研究发现,中孔结构明显提升硅酸钙支架材料作为控药输送系统的潜力。

硅酸钙生物陶瓷因其良好的生物活性和生物相容性已作为修复或移植材料被广泛应用于口腔领域的治疗中。研究发现,中孔结构明显提升硅酸钙支架材料作为控药输送系统的潜力。

这篇研究的目的是为了评估一种全新的成骨诱导支架材料,它是将BMP-2负载到中孔结构的硅酸钙(MesoCS)中,使用熔化沉积模型结合聚己内酯将其制作为3维支架。

模拟体液浸没试验(SBF) 7天的结果显示,MesoCS/BMP-2支架释放的钙离子和硅离子与硅酸钙支架材料具有相似的模式,但是从48小时至7天MesoCS/BMP-2所释放的BMP-2比CS支架明显增高。MesoCS/BMP-2支架对于培养其上的人牙髓细胞的粘附和增殖水平也明显高于不含BMP-2或中孔结构的支架材料,碱性磷酸酶活性的结果亦是如此。

结论:结果表明,3D打印的MesoCS支架材料作为BMP-2传递系统表现良好,可以成为牙髓再生治疗的一种理想成牙本质诱导生物材料。

原始出处:


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    2019-06-30 HNYYM
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    2019-07-10 jxrzshh
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    2019-04-17 mnda
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    2019-02-24 szhvet
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    2018-11-22 chengjn

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