J Periodontol:一种预测牙周治疗结果的生物标志物的研究

2017-11-11 MedSci MedSci原创

预测对牙周炎位点常规非手术治疗的能力将会非常有用。然而,为达到这个目的而设计的生物标记或测试缺乏敏感性。这项研究的目的是评估一种新的生物标志物组合预测慢性牙周炎患者治疗结果的能力。

预测对牙周炎位点常规非手术治疗的能力将会非常有用。然而,为达到这个目的而设计的生物标记或测试缺乏敏感性。这项研究的目的是评估一种新的生物标志物组合预测慢性牙周炎患者治疗结果的能力。

方法:在治疗前,治疗后3和6个月,收集77例患者的3个代表性位点的龈沟液(GCF)和龈下菌斑,其中1个健康位点(探诊深度[PD]≤3mm),2个牙周炎位点(PD≥6 mm)。患者在适当的时间点接受标准的非手术牙周治疗。结果发现,探诊深度≥2mm的位点炎症状况有所改善。分析GCF中的活性酶(基质金属蛋白酶-8 [MMP-8],弹性蛋白酶和唾液酸酶)的浓度以及牙龈卟啉单胞菌,福赛斯坦纳菌和具核梭杆菌的龈下菌斑水平,以预测结果。

结果:测量阈值为MMP-8(94 ng /μL),弹性蛋白酶(33 ng /μL),唾液酸酶(23 ng /μL),牙龈卟啉单胞菌(0.23%),福赛斯坦纳菌(0.35%) ,受试者工作特征曲线分析表明,这些基线的生物标志物可以区分健康与患病部位(敏感性和特异性≥77%)。此外,逻辑回归分析得出,实验前生物标志物组合提供了准确的预测治疗结果(≥92%)。

结论:本文所述的GCF酶和细菌的"指纹图谱"提供了一种预测非手术牙周治疗结果的方法。

原始出处:

Sarhang S. Gul, et al. Investigation of a Novel Predictive Biomarker Profile for the Outcome of Periodontal Treatment. Journal of Periodontology. 2017 November. doi: 10.1902/jop.2017.170187

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牙周炎是一种发生在牙齿支持组织的慢性炎性疾病。牙龈沟液(GCF)是牙周组织的渗出物,可通过纸尖在牙齿和牙龈之间的间隙(龈沟或牙周袋)收集。GCF检测是一种低成本和微创的检测手段。体液中的微小RNA(miRNA)参与了机体多种疾病的发病机制,被认为是潜在的诊断生物标志物。本研究中,研究人员使用miRCURY LNA TM通用RT微RNA PCR系统对收集到的GCF(两名慢性牙周炎,一名侵袭性牙周炎和

Sci Rep:测序分析确定牙周炎进展新的调控因子

据保守估计,一半以上的成年人患有牙周炎,代表了一个重大的公共卫生问题。此前,我们从牙周炎患者中分离出牙龈成纤维细胞(GFs)的一个子集,称为牙周炎相关成纤维细胞(PAFs),具有高度降解胶原的能力。为了阐明其分子特征,我们从健康和牙周炎位点的牙龈组织中采集GFs,通过CAGE-seq分析并与FANTOM5图谱整合。结果显示,与来自其他器官位点的成纤维细胞相比,来自健康牙龈组织的GFs显示出独特的C

J Periodontal Res:吸烟对牙周治疗后炎症,龈沟液中骨重塑标记物和龈下微生物的影响

牙周通过抑制微生物介导的局部炎性宿主反应维持健康。吸烟可能会影响这一过程。本研究比较了慢性牙周炎患者治疗期和支持性牙周治疗后,重度吸烟者和非吸烟者的骨改建标志物和龈沟液含量。

J Periodontol:免疫色谱法检测龈沟液中钙结合蛋白水平有助于诊断牙周病患者的疾患部位

钙结合蛋白是一种存在于龈沟液(GCF)中的炎症相关蛋白,对于钙结合蛋白的检测有助于明确牙周疾病的诊断。研究者研发了一种全新的免疫色谱(IC)芯片系统(SI-101402),它可以测定GCF中的钙结合蛋白水平。这篇研究的目的是为了在牙周疾病患者的龈沟液中检测这种诊断系统的有效性。