AP&T: 粘膜的IL13RA2表达水平可以预测克罗恩病对抗TNF治疗应答情况

2019-02-16 不详 MedSci原创

目前有文献指出回肠结肠中IL13RA2的表达与克罗恩病(CD)患者对英夫利昔单抗(IFX)应答情况有关。因此,本项研究旨验证IL13RA2这种生物标志物是否可以预测抗TNF的应答情况。

背景
目前有文献指出回肠结肠中IL13RA2的表达与克罗恩病(CD)患者对英夫利昔单抗(IFX)应答情况有关。因此,本项研究旨验证IL13RA2这种生物标志物是否可以预测抗TNF的应答情况。

方法
研究人员选取了一部分接受阿达木单抗和维多珠单抗治疗的患者来进行本项研究,并测量了他们的IL13RA2粘膜表达水平。在患者接受第一次IFX治疗前测量血清蛋白浓度,包括TNF浓度,并在治疗组和非治疗组之间进行比较。

结果
在开始生物治疗之前粘膜IL13RA2表达的增加与抗TNF无应答显着相关(抗-TNF:AUROC= 0.90,P <0.001,维多珠单抗:AUROC = 0.63, P = 0.30)。研究人员还发现非治疗组的基线粘膜TNF负荷增加(P = 0.02),TNF mRNA与IL13RA2表达显着相关(ρ = 0.55,P = 0.02)。基线血清TNF水平在非治疗者中显着降低(P  = 0.04),并且与IFX血清诱导水平成反比(r = -0.45,P = 0.002)。

结论
粘膜IL13RA2表达水平增加与CD患者中粘膜TNF负荷增加有关。粘膜IL13RA2表达是治疗选择和/或需要增加抗TNF药物剂量的潜在生物标志物。

原始出处:
Bram Verstockt. Et al. Mucosal IL13RA2 expression predicts nonresponse to anti‐TNF therapy in Crohn's disease. Alimentary Pharmacology & Therapeutics. 2019.

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    2019-07-29 guoyibin
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    2019-08-01 mfx808
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    2019-02-18 snowpeakxu