J Endod:硅酸三钙类水门汀的生物相容性及成骨潜力评估

2018-01-15 lishiting MedSci原创

牙髓再生治疗的成功与否依赖于干细胞和生物活性材料的适当结合。基于此种考虑,市场上出现几种全新的牙科材料。因此,这篇研究的目的是为了评估培养于几种不同生物材料上的人骨髓来源间充质干细胞(hBMSCs)的增殖、分化和成骨潜力,如:ProRoot MTA (MTA; Dentsply Tulsa Dental, Tulsa, OK), Biodentine (BD; Septodont, Saint M

牙髓再生治疗的成功与否依赖于干细胞和生物活性材料的适当结合。基于此种考虑,市场上出现几种全新的牙科材料。因此,这篇研究的目的是为了评估培养于几种不同生物材料上的人骨髓来源间充质干细胞(hBMSCs)的增殖、分化和成骨潜力,如:ProRoot MTA (MTA; Dentsply Tulsa Dental, Tulsa, OK), Biodentine (BD; Septodont, Saint Maur de Fosses, France)和EndoSequence Root Repair Material (ERRM; Brasseler USA, Savannah, GA)。

牙科用水门汀按配方要求调拌于玻片上,以备检测其生物相容性。采用hBMSCs来研究这些牙科水门汀材料的生物相容性、增殖和成骨潜力。使用共聚焦显微镜进行活死分析试验以检测水门汀的生物相容性、增殖和细胞粘附特性。另外,也采用3-(4,5-二甲基噻唑-2-基)-2,5-二苯基四唑鎓溴化物测定在1, 3, 5和7天检测其生长动力学变化。通过成骨分化培养基诱导培养于水门汀上的hBMSCs,检测这些水门汀的成骨潜力(通过碱性磷酸酶测定)。

结果显示,在所有使用的硅酸三钙类材料中,ERRM和MTA的生物相容性最好,2者之间未发现显著性差异。并且2者与BD相比,均展现出更高的成骨生物学活性。所有3种硅酸三钙类水门汀均表现出对hBMSCs良好的粘附性。

结论:本项研究使用的所有牙科材料均表现出良好的生物相容性,并且具有诱导hBMSCs增殖、成骨分化的潜力。因此,新推出的ERRM可以作为治疗不同牙髓疾病的备选材料。

原始出处:

Sultana N, Singh M, et al. Evaluation of Biocompatibility and Osteogenic Potential of Tricalcium Silicate-based Cements Using Human Bone Marrow-derived Mesenchymal Stem Cells. J Endod. 2018 Jan 3. pii: S0099-2399(17)31261-X. doi: 10.1016/j.joen.2017.11.016.

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    2018-01-17 zhaojie88
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    2018-01-15 天涯183

    非常好的文章.学习了

    0

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    2018-01-15 红木中餐

    henhao

    0