J Clin Periodontol:风湿性关节炎和牙周炎患者体内可以产生抗瓜氨酸组蛋白H3的自身抗体

2017-04-19 lishiting MedSci原创

这篇研究的目的是为了检测有炎症的牙周组织中是否存在瓜氨酸组蛋白的表达,以及在风湿性关节炎(RA)和牙周炎(PD)患者中检测是否存在抗瓜氨酸组蛋白的抗体。

这篇研究的目的是为了检测有炎症的牙周组织中是否存在瓜氨酸组蛋白的表达,以及在风湿性关节炎(RA)和牙周炎(PD)患者中检测是否存在抗瓜氨酸组蛋白的抗体。

研究通过免疫组织化学对15名PD患者进行组织活检,检测瓜氨酸组蛋白H3、PAD4和CD68的表达情况。另外,分别提取36名健康个体(HC)、113名PD和83名RA患者血清,western blot检测抗瓜氨酸组蛋白抗体,ELISA检测瓜氨酸组蛋白H3表达情况,比较不同群体之间是否存在不同的表达。

结果显示,瓜氨酸组蛋白H3、PAD4和CD68在PD患者的牙周组织中存在表达,分别占9 (60%),14(93%)和13 (87%)人。抗瓜氨酸组蛋白H3的自身抗体在不同人群众存在不同程度的表达。其中,RA患者有33人(39%),HC有3人(8%),PD患者有11人(10%)。在CCP阳性的RA患者中瓜氨酸组蛋白H3的表达水平要明显高于CCP阴性的RA患者中(p=0.0008),并且瓜氨酸组蛋白H3的表达水平与CCP的表达水平具有一定的相关性(ρ=0.22)。同时,未发现瓜氨酸组蛋白H3的表达水平与牙周炎的程度又或RA患者的吸烟行为相关。

结论:PD患者的感染牙周组织中存在瓜氨酸组蛋白H3的表达。在RA患者的血清中存在靶向瓜氨酸组蛋白H3的自身抗体。结果表明,牙周炎患者体内可以产生靶向瓜氨酸组蛋白抗原的自身抗体。

原始出处:

Janssen KM, de Smit MJ, et al. Autoantibodies against citrullinated histone H3 in rheumatoid arthritis and periodontitis patients. J Clin Periodontol. 2017 Mar 31. doi: 10.1111/jcpe.12727.

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    2017-04-27 feather89
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    2017-04-20 往日如昨

    学习了谢谢分享

    0

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    2017-04-20 lmm397
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    2017-04-20 xqptu
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