JCC: 一种预测溃疡性结肠炎患者接受标准治疗无效的生物标志物

2019-01-05 MedSci MedSci原创

先前有研究已证实肠淋巴细胞浸润的糖基化谱的变化可以调节T细胞活性,并且与溃疡性结肠炎[UC]患者的疾病严重程度相关。本项研究旨在探究肠道炎症浸润中支化N-聚糖的异质表达是否可以在疾病早期预测治疗反应。

背景和目标
先前有研究已证实肠淋巴细胞浸润的糖基化谱的变化可以调节T细胞活性,并且与溃疡性结肠炎[UC]患者的疾病严重程度相关。本项研究旨在探究肠道炎症浸润中支化N-聚糖的异质表达是否可以在疾病早期预测治疗反应。

方法
研究人员从131个UC患者队列中收集结肠活组织标本,并检查支链N-聚糖的表达水平与对标准疗法的响应关系。以此来确定接受者操作特征分析和特异性/灵敏度。

结果
支链N-聚糖水平对常规治疗的无应答具有75%的特异性预测概率。此外,高水平的支链N-聚糖可以预测78%的UC患者将显示有利的疾病过程。在具有Mayo评分大于3的严重UC患者和初次治疗的患者中观察到最佳预测性能。多变量分析显示,在诊断时,低水平的支链N-聚糖和高水平的C-反应蛋白[CRP]是对标准治疗无应答的独立预测因子。

结论
本项研究结果揭示了一种潜在的生物标志物可以在疾病病程早期预测那些对标准治疗无效的患者。

原始出处:
Márcia S Pereira. Et al. A [Glyco]biomarker that Predicts Failure to Standard Therapy in Ulcerative Colitis Patients. Journal of Crohn's and Colitis. 2018.

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    2019-10-30 nymo
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