J Rheumatol:硬骨素和抗硬骨素抗体血清水平可以预测炎症性肠病患者是否存在中轴型脊柱关节炎

2018-02-09 xiangting MedSci原创

这项研究证实在IBD患者中,SOST和抗SOST-IgG可能代表了评估轴向关节受累存在的新型生物标志物。

炎症性肠病IBD)患者中IBD相关性脊柱关节炎(SpA/IBD)的早期诊断临床上一个重要的课题。特别是,到目前为止还没有用于反映这些患者存在关节炎症的可用血清生物标志物。最近作为疾病活动性的推定标记物,在强直性脊柱炎(AS)患者中研究了硬骨素(SOST)(一种Wnt/β-连环蛋白途径拮抗剂)和抗硬骨素-免疫球蛋白G(抗-SOST-IgG)。

研究人员对125例IBD患者、85例中轴型或外周型SpA患者和对照组(AS、类风湿性关节炎患者以及健康人)进行SOST和抗SOST-IgG血清水平检测。评估了两种候选生物标志物在分辨是否存在SpA/IBD方面的诊断性能。

与仅有外周关节炎、IBD患者和对照组相比,轴向受累的SpA/IBD患者的SOST水平显著降低,抗SOST-IgG水平更高。此外,SOST和抗SOST-IgG血清水平呈负相关,并与关节症状持续时间相关。两种生物标志物在预测IBD患者中存在轴向SpA方面显示出良好的准确性。

这项研究证实在IBD患者中,SOST和抗SOST-IgG可能代表了评估轴向关节受累存在的新型生物标志物。此外,抗SOST-IgG的出现和随后SOST血清水平的降低可能在SpA/IBD的发病中起到一定作用。

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    2018-02-11 lmm397
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