J Endod:富含血小板流动纤维蛋白与富含血小板血浆对炎症状态下牙髓细胞再生潜力的影响:一项对照研究

2019-07-07 lishiting MedSci原创

富含血小板血浆(PRP)已经在牙科多领域中广泛应用20余年。然而,研究发现,其所含的生长因子在短时期内释放,并且抗凝血药的应用限制了它的再生潜力。因此,研发出了未使用抗凝血药和较短离心时间的二代血小板浓缩液(富含血小板的流动纤维蛋白[PRF])。这篇研究的目的是为了比较流动PRF或常规PRP培养下人牙髓细胞(hDPCs)的再生活性。

富含血小板血浆(PRP)已经在牙科多领域中广泛应用20余年。然而,研究发现,其所含的生长因子在短时期内释放,并且抗凝血药的应用限制了它的再生潜力。因此,研发出了未使用抗凝血药和较短离心时间的二代血小板浓缩液(富含血小板的流动纤维蛋白[PRF])。这篇研究的目的是为了比较流动PRF或常规PRP培养下人牙髓细胞(hDPCs)的再生活性。研究从人健康第三磨牙提取hDPCs (18-22 years, n = 5),在正常培养和炎症状态下检测其再生潜力(lipopolysaccharide [LPS]),并评估其牙齿修复的能力。通过transwell、划痕实验、细胞增殖检测、碱性磷酸酶活性检测和茜素红染色评估流动PRF和PRP对细胞迁移、增殖和成牙本质分化的影响,通过实时聚合酶链式反应检测I型胶原蛋白a1、DSPP和DMP-1的基因编码情况。通过免疫荧光检测炎症状态下2种血小板浓聚物对NFkB (p65)核转移的影响,通过反转录聚合酶链式反应检测IL-1β、TNFa和NFkB (p65)的基因编码情况。结果显示,与对照组相比,PRP和流动PRF均可增加hDPCs的迁移和增殖,而流动PRF的迁移

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    2019-08-29 amyloid
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    2019-09-21 mnda
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    2019-10-09 jxrzshh
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    2019-07-09 chengjn
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    2019-07-08 深海的鱼

    学习学习学习学习

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