Int J Mol Sci:研究成果制备具有超顺磁性牙周再生能力的分级多功能混合支架

2018-11-20 MedSci MedSci原创

牙齿组织的再生仍然是未满足的临床需求;事实上,没有任何疗法在再生牙周组织复合物如牙周组织方面已经完全成功,主要是由于缺乏能够引导和指导细胞转化以重建不同矿化和非矿化牙组织的支架。本研究中,研究人员开发了一种新型多功能混合支架,通过整合生物矿化过程,带式浇铸和静电纺丝技术,具备了牙槽骨、牙周韧带和牙骨质的不同特征。由于使用了生物相容的生物活性超顺磁性磷灰石相,该支架具有超顺磁性能,并可作为能够促进骨

牙齿组织的再生仍然是未满足的临床需求;事实上,没有任何疗法在再生牙周组织复合物如牙周组织方面已经完全成功,主要是由于缺乏能够引导和指导细胞转化以重建不同矿化和非矿化牙组织的支架。

本研究中,研究人员开发了一种新型多功能混合支架,通过整合生物矿化过程,带式浇铸和静电纺丝技术,具备了牙槽骨、牙周韧带和牙骨质的不同特征。由于使用了生物相容的生物活性超顺磁性磷灰石相,该支架具有超顺磁性能,并可作为能够促进骨生成并被远程磁信号激活的矿物成分。通过设计三个不同的层,将目标组织的相关组成和微观结构特征概括为整体多功能分级装置,获得牙周支架。

结果,物理化学、形态学和超微结构分析,与用间充质干细胞进行的初步体外研究相结合,证实最终支架表现出良好的牙周组织复合物模拟,具有优异的细胞相容性和细胞活力,使其非常有前景用于牙科的再生应用。

原始出处:

Sprio S, Campodoni E, et al., A Graded Multifunctional Hybrid Scaffold with Superparamagnetic Ability for Periodontal Regeneration. Int J Mol Sci. 2018 Nov 15;19(11). pii: E3604. doi: 10.3390/ijms19113604.


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