J Periodontal Res:褪黑素在牙周炎和肥胖患者体内的表达

2018-10-01 MedSci MedSci原创

褪黑激素缺乏与肥胖和全身性炎症有关。本研究旨在评估褪黑激素是否可以干扰肥胖与牙周炎相关的共病机制。

褪黑激素缺乏与肥胖和全身性炎症有关。本研究旨在评估褪黑激素是否可以干扰肥胖与牙周炎相关的共病机制。

方法:将28只雄性Wistar大鼠随机分为4组:对照组(Con)(用标准饮食喂养);高脂饮食组(HFD)(喂食含脂肪35.2%的饮食); Con组诱发牙周炎(Con-Perio)和HFD组诱发牙周炎(HFD-Perio)。口服牙龈卟啉单胞菌ATCC W83K1和Fusobacterium nucleatum DMSZ 20482诱导牙周炎,。通过多重免疫测定分析循环褪黑激素水平。通过牙槽骨吸收量(微计算机断层扫描和组织学)和替代炎症结果(牙周袋深度,改良牙龈指数和菌斑指数)评估牙周炎。

结果:与对照组或肥胖或牙周炎大鼠相比,肥胖的牙周炎大鼠血浆褪黑素水平显着降低(P <.05)。与Con组相比,HFD-Perio组牙槽骨吸收增加27.71%(2.28μm)。组织学分析显示牙周组织破坏与破骨细胞活性明显,特别是在HFD-Perio组。牙周袋深度,改良牙龈指数和循环褪黑素水平之间存在显着的负相关(P <.05)。

与对照相比,肥胖和牙周炎的褪黑激素浓度更低,但是与牙周炎或肥胖大鼠相比,患有牙周炎的肥胖大鼠中这些浓度甚至更低。这些结果表明褪黑素缺乏可能是解释肥胖与牙周炎之间关联的共病效应的关键机制。

原始出处:

L. Virto, et al.Melatonin expression in periodontitis and obesity: An experimental in‐vivo investigation. Journal of  Periodontal Research. 2018 October. Doi:10.1111/jre.12571

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    2018-10-23 feather89
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    2018-10-02 liumin1987

    嗯嗯,学习学习。

    0

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    2018-10-02 明月清辉

    谢谢分享,学习了

    0

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    2018-10-01 医者仁心5538

    学习了

    0

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