J Endod:酪蛋白磷酸肽-无定形磷酸钙氟化物的生物相容性和成骨/钙化潜力

2018-01-10 lishiting MedSci原创

研究发现,酪蛋白磷酸肽-无定形磷酸钙(CPP-ACP)和酪蛋白磷酸肽-无定形磷酸钙氟化物(CPP-ACFP)可以提供生物可用离子从而促进矿化。因此,这篇研究的目的是为了评估此种材料用于牙髓治疗时的生物相容性和成骨/矿化潜力。

研究发现,酪蛋白磷酸肽-无定形磷酸钙(CPP-ACP)和酪蛋白磷酸肽-无定形磷酸钙氟化物(CPP-ACFP)可以提供生物可用离子从而促进矿化。因此,这篇研究的目的是为了评估此种材料用于牙髓治疗时的生物相容性和成骨/矿化潜力。

研究使用0.05%-3.0% w/v的CPP-ACP和CPP-ACFP培养人和小鼠的成骨细胞样以及成纤维细胞样细胞系。随后,检测细胞毒性、细胞增殖、碱性磷酸酶、白细胞介素(IL)-1α和IL-6产物、I型胶原、骨钙素和骨桥蛋白的表达以及矿化/钙化情况。

结果显示,CPP-ACP和CPP-ACFP没有毒性,并且对炎症因子IL-1α的产物或增殖没有明显作用。CPP-ACP和CPP-ACFP可以显著增加成骨细胞样细胞的碱性磷酸酶活性(P < .05),以及成骨因子IL-6的表达、钙矿物质沉积的形成和矿化相关蛋白的分泌(I型胶原蛋白和骨钙素)。

结论:CPP-ACP和CPP-ACFP具有良好的生物相容性以及诱导成骨分化和矿化的潜力。对于根尖诱导成形术、穿孔修复、活髓治疗和牙髓再生治疗具有一定的应用潜力。

原始出处:

Dawood AE, Manton DJ, et al. Biocompatibility and Osteogenic/Calcification Potential of Casein Phosphopeptide-amorphous Calcium Phosphate Fluoride. J Endod. 2017 Dec 21. pii: S0099-2399(17)31198-6. doi: 10.1016/j.joen.2017.11.005.

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    2018-01-12 zhaojie88
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    2018-01-10 wqkm

    ^_^^_^^_^^_^^_^

    0

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    2018-01-10 惠映实验室

    学习了.谢谢.

    0