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Inflammation and tissue remodeling mediator expression during gingivitis: A comparison between experimental, naturally occurring gingivitis, and periodontal health
Journal of Periodontology ( IF 4.2 ) Pub Date : 2024-05-06 , DOI: 10.1002/jper.23-0692
Yung-Ting Hsu 1 , Ana M Chang 1, 2 , Diane Daubert 1 , Frank Roberts 1 , Dandan Chen 1 , Harsh M Trivedi 1 , Juliana Gomez 1 , Rich P Darveau 1
Affiliation  

BackgroundThe aim of this study is to evaluate the immune regulation and tissue remodeling responses during experimental gingivitis (EG) and naturally occurring gingivitis (NG) to provide a comprehensive analysis of host responses. Gingival crevicular fluid (GCF) was obtained from 2 human studies conducted in university settings.MethodsThe EG study enrolling 26 volunteers provided controls for the baseline (Day 0) from healthy disease‐free participants, while Day 21 (the end of EG induction of the same group) was used to represent EG. Twenty‐six NG participants age‐matched with those of the EG group were recruited. GCF samples were analyzed for 39 mediators of inflammatory/immune responses and tissue remodeling using commercially available bead‐based multiplex immunoassays. The differences in GI and mediator expression among groups were determined at a 95% confidence level (p ≤ 0.05) by a 2‐way analysis of variance (ANOVA) with a post‐hoc Tukey's test.ResultsOur findings showed that EG had a greater gingival index than NG and was healthy (p < 0.01 of all comparisons). Furthermore, EG showed significantly higher levels of MPO (p < 0.001), CCL3 (p < 0.05), and IL‐1B (p < 0.001) than NG. In contrast, NG had increased levels of MIF (p < 0.05), Fractalkine (p < 0.001), angiogenin (p < 0.05), C3a (p < 0.001), BMP‐2 (p < 0.001), OPN (p < 0.05), RANKL (p < 0.001), and MMP‐13 (p < 0.001) than EG.ConclusionsConsistent with the findings from chronic (NG) versus acute (EG) inflammatory lesions, these data reveal that NG displays greater immune regulation, angiogenesis, and bone remodeling compared to EG.

中文翻译:


牙龈炎期间的炎症和组织重塑介质表达:实验性、自然发生的牙龈炎与牙周健康的比较



背景本研究的目的是评估实验性牙龈炎 (EG) 和自然发生的牙龈炎 (NG) 期间的免疫调节和组织重塑反应,以提供宿主反应的全面分析。牙龈沟液 (GCF) 是从大学环境中进行的 2 项人体研究中获得的。方法招募 26 名志愿者的 EG 研究为健康无病参与者的基线 (第 0 天) 提供了对照,而第 21 天 (同一组 EG 诱导结束) 用于表示 EG。招募了 26 名年龄与 EG 组年龄匹配的 NG 参与者。使用市售的基于微珠的多重免疫测定法分析 GCF 样品中 39 种炎症/免疫反应和组织重塑的介质。通过 2 ≤方差分析)和事后 Tukey 检验以 95% 置信水平 (p 0.05) 确定组间 GI 和介质表达的差异。结果我们的研究结果显示,EG 的牙龈指数高于 NG,并且健康 (p < 0.01 所有比较)。此外,EG 的 MPO (p < 0.001) 、CCL3 (p < 0.05) 和 IL-1B (p < 0.001) 水平显著高于 NG。相比之下,NG 的 MIF (p < 0.05)、Fractalkine (p < 0.001)、血管生成素 (p < 0.05)、C3a (p < 0.001)、BMP-2 (p < 0.001)、OPN (p < 0.05)、RANKL (p < 0.001) 和 MMP-13 (p < 0.001) 的水平高于 EG。结论与慢性 (NG) 与急性 (EG) 炎症病变的结果一致,这些数据显示,与 EG 相比,NG 表现出更强的免疫调节、血管生成和骨重塑。
更新日期:2024-05-06
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