J Periodontol:睾酮长期耗竭可以减轻结扎性牙周炎的骨吸收

2018-06-02 MedSci MedSci原创

已知,睾酮会在生理和病理条件下影响骨骼。本研究旨在评估睾酮在大鼠实验性牙周炎中的作用。

已知,睾酮会在生理和病理条件下影响骨骼。本研究旨在评估睾酮在大鼠实验性牙周炎中的作用。

实验分为实验组,对照组和空白组。实验组采用睾丸切除术(OCX,睾酮缺乏)±睾酮替代疗法(TR)。对照组动物假手术并保留生理学睾酮水平。在睾丸切除术和假手术后62天,丝线结扎大鼠下颌第一磨牙,并维持2周以诱发实验性牙周炎。空白组动物不接受结扎。通过酶联免疫吸附测定(ELISA)测定炎症细胞因子表达,立体测量分析炎症过程,通过微计算机断层摄影术(μ-CT)定量炎症性骨吸收。

结果:OCX + TR组中牙周组织中成纤维细胞和血管增加最多,炎性细胞数量减少最多。在评估的所有立体参数中OCX和对照组之间没有显着差异。OCX组中大鼠牙槽骨吸收显着减少。实验性牙周炎引起白细胞介素(IL)-1β显着增加,但在牙周炎/ OCX组中水平最低。OCX组中 IL-6没有变化,OCX + TR组中显着降低。

睾酮缺失减轻了结扎诱导的牙槽骨吸收,部分可能通过减少IL-1β产生来介导

原始出处:

de Paiva Gonalves V, et al. Long-term testosterone depletion attenuates inflammatory bone resorption in the ligature-induced periodontal disease model. Journal of Periodontology. 2018 April. doi:10.1002/JPER.17-0457

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    2018-12-21 feather89
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    2018-06-04 131****1460

    学习了受益匪浅

    0

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    2018-06-02 惠映实验室

    学习了.谢谢分享.

    0

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    2018-06-02 bapan0434

    如此说来.古代太监是否牙齿都好.有待考古学家证实

    0

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    2018-06-02 天地飞扬

    了解一下.谢谢分享!

    0

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