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在IgA脏病和IgA血管炎炎中,与尿补剂相关的蛋白质,可能是疾病活动的生物标志物

Mazdak Sanaei Nurmi^1,2, Laura Pérez-Alós³, Peter Garred^3,4

¹Department of Medical Specialist Care, Nephrology Clinic, Danderyd University Hospital, Stockholm, Sweden.

Clinical kidney journal

|February 26, 2025

概括

尿中素-3 (PTX-3) 和曼诺结合性莱克 (MBL) 可能表明活性IgA脏病 (IgAN) 或IgA血管炎与脏参与 (IgAVN). 在这些情况下,尿液中C4c水平较高表明慢性病的进展.

科学领域:

腎臟病學 (nephrology) 是一種醫學專業.
免疫学免疫学免疫学
补充系统生物学补充系统生物学

背景情况:

补体系统与IgA脏病 (IgAN) 病原发生有关.
补充激活标志物可能与疾病活性和IgAN和IgA血管炎与脏参与 (IgAVN) 的结果相关.

研究的目的:

在诊断时在血液和尿液中评估与补充相关的蛋白质,包括素-3 (PTX-3).
为了将这些生物标志物与脏活检结果,eGFR,白蛋白尿和长期结果相关联.
为了比较Igan和IgAVN患者之间的生物标志物水平.

主要方法:

对来自瑞典队列的血和尿液中的补充相关蛋白和PTX-3的分析.
包括96名Igan或IgAVN患者,随访时间中位数为10.8年.
基于GFR斜率或50%的eGFR损失或ESKD的复合终点的结果评估.

主要成果:

检测到的尿液PTX-3和曼诺结合性莱克 (MBL) 与增殖性脏活检结果相关.
尿液中较高的C4c水平与管间纤维化相关,并预测了更差的eGFR斜率.
在Igan和IgAVN患者组之间没有观察到生物标志物水平的显著差异.

结论:

尿液PTX-3和MBL可以作为Igan和IgAVN中活跃,增殖性疾病阶段的指标.
尿液中C4c水平升高表明,在这两种情况下,脏损伤更为慢性.
需要在更大的多民族队伍中进行进一步的验证.

关键词:

在IgA脏病发作中,IgA脏病发作生物标志物生物标志物补充补充补充补充补充补充补充.球体隆基尼弗里斯 (glomerulonephritis) 是一种发生在人体中的疾病.血管炎是一种血管炎.

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