J Periodonto:口腔感染牙龈卟啉单胞菌会加重自身免疫性脑脊髓炎

2018-07-26 lishiting MedSci原创

口腔感染牙龈卟啉单胞菌的小鼠会诱导牙周炎症和附着丧失。这篇研究的目的是为了评估感染牙龈卟啉单胞菌的小鼠是否会加重实验性自身免疫性脑脊髓炎(EAE)的临床过程-一个小鼠的多发性硬化(MS)模型。

口腔感染牙龈卟啉单胞菌的小鼠会诱导牙周炎症和附着丧失。这篇研究的目的是为了评估感染牙龈卟啉单胞菌的小鼠是否会加重实验性自身免疫性脑脊髓炎(EAE)的临床过程-一个小鼠的多发性硬化(MS)模型。

EAE的诱导是通过失效C57BL/6小鼠内髓鞘少突胶质细胞糖蛋白(MOG35-55)而实现。牙龈卟啉单胞菌的诱导是通过皮下腔室模型和口服强饲法而实现。使用临床严重性评估来检测EAE的严重程度。另外,也测试了具有致脑炎肽MOG35-55淋巴细胞的离体再活化。

结果显示,皮下埋植及口腔感染活性牙龈卟啉单胞菌会显著增加EAE的严重性。对从EAE伴随牙龈卟啉单胞菌感染小鼠提取的淋巴结细胞观察显示,与仅具有EAE的小鼠相比,其朝向肾源性 MOG部分的淋巴细胞增殖明显。

结论:口腔感染牙龈卟啉单胞菌会增加EAE的严重性。这可能源于由牙龈卟啉单胞菌感染或通过抗原模拟引发的全身促炎反应。本研究提供的证据表明,牙周感染可能在中枢神经系统炎症性疾病如MS中发挥着作用。

原始出处:

Polak D, Shmueli A, et al. Oral infection with P. gingivalis exacerbates autoimmune encephalomyelitis. J Periodontol. 2018 Jul 20. doi: 10.1002/JPER.17-0531.

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    2018-10-04 feather89
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    2019-05-25 xlysu
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    2018-07-27 清风拂面

    谢谢分享学习

    0

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    2018-07-26 三生有幸9135

    学习一下

    0

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    2018-07-26 1ddf0692m34(暂无匿称)

    学习了,长知识

    0

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