J Periodontol:牙周病会诱导实验性wistar大鼠的肝脏纤维化

2019-02-01 lishiting MedSci原创

这篇研究的目的是为了评估捆绑诱导的实验性大鼠牙周炎对促进肝脏纤维化的影响。

这篇研究的目的是为了评估捆绑诱导的实验性大鼠牙周炎对促进肝脏纤维化的影响。研究将24只wistar大鼠分为4组:对照组(CTRL), 实验性牙周炎组的第7天(PER7), 第14天(PER14), 第21天(PER21)。实验性牙周炎是通过对大鼠下颌切牙捆绑结扎丝诱导形成。评估以下指标:牙龈指数、牙齿松动度;通过超声检验肝脏状态和门静脉尺寸;骨退缩、骨矿物质密度(BMD)、micro-CT检验骨容积/组织容积(BV/TV);天冬氨酸氨基转移酶(ASAT)和丙氨酸氨基转移酶(ALAT);氧化性应激(丙二醛(MDA), 减少的谷胱甘肽/氧化型谷胱甘肽比率(GSH/GSSG))和基质金属蛋白酶8 (MMP8);牙周和肝脏组织的组织学评估。结果显示,牙周指标表明实验组的牙周炎形成。Micro-CT结果显示,PER组中骨退缩和BMD值增加,BV/TV值减少。超声检查在所有组中均未发现明显的肝脏纤维化。与CTRL组相比,PER组的ASAT和ALAT水平上调。与CTRL组相比,PER组的MDA水平上调,GSH/GSSG率降低。PER21的MMP8水平明显高于其它组。对牙周和肝脏的组织学分析显示,牙周

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    2019-06-14 lujian
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    2019-02-23 feather89
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