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Hypoxic Responses in Periodontal Tissues: Influence of Smoking and Periodontitis
Journal of Clinical Periodontology ( IF 5.8 ) Pub Date : 2024-11-04 , DOI: 10.1111/jcpe.14087
Bejna Bozyel, Özlem Doğan, Serenay Elgün, Burcu Özdemir

AimThis study aimed to investigate the hypoxic changes in periodontal tissues resulting from smoking and periodontitis by assessing levels of hypoxia‐inducible factors (HIF‐1α, HIF‐2α, HIF‐3α) and vascular endothelial growth factor (VEGF) in gingival crevicular fluid (GCF).Materials and MethodsThe study comprised 22 periodontally healthy non‐smokers (Group H), 22 periodontally healthy smokers (Group HS), 22 non‐smokers with periodontitis (Group P) and 22 smokers with periodontitis (Group PS). Clinical periodontal parameters were documented, and GCF samples were collected and analysed using enzyme‐linked immunosorbent assay (ELISA).ResultsSignificantly elevated levels of HIF‐1α, HIF‐3α and VEGF were observed in Groups HS, P and PS compared to Group H (p < 0.05). Moreover, higher HIF‐2α levels were detected in the Groups HS and P compared to Group H (p < 0.05). Significant correlations were detected between all evaluated hypoxia biomarkers in the Group P (p < 0.05) except HIF‐2α and HIF‐3α. However, in the PS group, significant correlation appeared only between HIF‐1α and HIF‐2α (p < 0.05).ConclusionOur findings indicate that smoking and periodontitis induce comparable hypoxic effects in periodontal tissues, as evidenced by the evaluated biomarkers. Further research is warranted to gain a deeper understanding of the mechanisms underlying hypoxia in periodontal tissues.

中文翻译:


牙周组织中的缺氧反应:吸烟和牙周炎的影响



目的本研究旨在通过评估牙龈沟液 (GCF) 中缺氧诱导因子 (HIF-1α、HIF-2α、HIF-3α) 和血管内皮生长因子 (VEGF) 的水平,探讨吸烟和牙周炎导致牙周组织缺氧的变化。材料和方法该研究包括 22 名牙周健康的非吸烟者 (H 组) 、22 名牙周健康的吸烟者 (HS 组)、22 名患有牙周炎的非吸烟者 (P 组) 和 22 名患有牙周炎的吸烟者 (PS 组)。记录临床牙周参数,收集 GCF 样本并使用酶联免疫吸附测定 (ELISA) 进行分析。结果与 H 组相比,HS 、 P 和 PS 组观察到 HIF-1α 、 HIF-3α 和 VEGF 水平显著升高 (p < 0.05)。此外,与 H 组相比,HS 组和 P 组检测到更高的 HIF-2α 水平 (p < 0.05)。除 HIF-2α 和 HIF-3α 外,P 组所有评估的缺氧生物标志物之间均检测到显着相关性 (p < 0.05)。然而,在 PS 组中,仅在 HIF-1α 和 HIF-2α 之间出现显着相关性 (p < 0.05)。结论我们的研究结果表明,吸烟和牙周炎在牙周组织中诱导类似的缺氧作用,评估的生物标志物证明了这一点。需要进一步的研究以更深入地了解牙周组织中缺氧的机制。
更新日期:2024-11-04
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