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Ann Rheum Dis:基于血清的可溶性标记物可以区分银屑病关节炎和骨关节炎

2019-03-26 xiangting MedSci原创

一组共4个生物标志物可以区分PsA和OA。

这项研究旨在确定可区分银屑病关节炎(PsA)和骨关节炎(OA)的可溶性生物标志物。

比较了201例OA患者、77名PsA患者和76名对照血清样本中的软骨代谢(软骨低聚基质蛋白[COMP]、透明质酸)、代谢综合征(脂联素、降脂蛋白、抵抗素、肝细胞生长因子[HGF]、胰岛素、瘦素)和炎症的标志物(C-反应蛋白[CRP]、白介素-1β[IL-1β]、IL-6、IL-8、肿瘤坏死因子α[TNFα]、单核细胞趋化蛋白-1 [MCP-1]、神经生长因子[NGF])。使用Kruskal-Wallis检验比较各组的水平。使用Wilcoxon秩和检验进行成对比较。进行多因素logistic回归分析以识别可以区分PsA与OA的标志物。基于多因素模型构建受试者操作特征(ROC)曲线。使用年龄、性别和生物标志物系数计算的预测概率,在一组独立的73名PsA患者和75名OA患者样本中进一步验证最终模型。

以下标志物水平在3组间存在显著差异(p<0.001)-COMP、透明质酸、抵抗素、HGF、胰岛素、瘦素、CRP、IL-6、IL-8、TNFα、MCP-1、NGF。在多因素分析中,与OA比较,COMP(OR 1.24,95%CI 1.06-1.46)、抵抗素(OR 1.26,95%CI 1.07-1.48)、MCP-1(OR 1.10,95%CI 0.07-1.48)和NGF(OR<0.001,95%CI<0.001-0.25)被发现与PsA独立相关。与仅使用年龄和性别的模型相比(AUROC 0.87,p<0.001),该模型的ROC曲线下面积(AUROC)为0.99。使用验证样本的结果类似。

一组共4个生物标志物可以区分PsA和OA。这些结果需要在前瞻性研究中进行进一步验证。

原始出处:

Vinod Chandran. Serum-based soluble markers differentiate psoriatic arthritis from osteoarthritis. Ann Rheum Dis. 25 March 2019.

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    2019-09-12 wjywjy
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    2019-11-08 lisa438
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    2019-03-28 lmm397

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