Arthritis Rheumatol:银屑病关节炎相关新型自身抗体的识别

2019-01-08 xiangting MedSci原创

这项研究结果表明,这些自身抗体可能是有用的生物标志物,并提示了银屑病和银屑病关节炎的治疗靶点。

银屑病的自身免疫病因尚不十分清楚,这项研究目的是识别银屑病中的自身抗原和自身抗体,这有助于揭示银屑病和银屑病关节炎发病机制的分子和细胞基础。

这项研究中,研究人员开发了一种含有多种抗原的自身抗原阵列系统,其中包括风湿性疾病中的典型自身抗原,以及银屑病中的皮肤抗原、炎症介质和假定自身抗原。使用来自银屑病患者的血清(N=73)检测阵列上的抗原。验证研究中也使用个体ELISA。

研究发现与健康对照相比,银屑病患者的几种血清自身抗体升高;特别地是,与健康对照相比,银屑病患者中针对两种新抗原LL37和ADAMTSL5的IgG自身抗体显著升高。重要的是,针对LL37和ADAMTSL5的IgG自身抗体血清水平与银屑病面积和严重性指数(PASI)相关,并且反映了银屑病患者纵向收集样本的疾病进展。重要的是,研究发现与非PsA相比,抗ADAMTSL5和抗LL-37自身抗体在银屑病关节炎(PsA)患者中显著升高,提示这些分子可能参与银屑病关节炎的发病机制。

这项研究结果表明,这些自身抗体可能是有用的生物标志物,并提示了银屑病和银屑病关节炎的治疗靶点。

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    2019-01-10 lmm397
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    2019-01-10 zhaojie88

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