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在非典型的血溶性尿素性综合征中抗B因子抗体

Priyanka Khandelwal¹, Shreesha Nambiar¹, Rahul Saini¹

¹Division of Nephrology, Department of Pediatrics, ICMR Center for Advanced Research in Nephrology, All India Institute of Medical Sciences, New Delhi, India.

Pediatric nephrology (Berlin, Germany)

|January 22, 2024

概括

对抗B因子 (FB) 抗体在9.7%的非典型血清性尿素综合征 (aHUS) 儿童中被发现,与疾病严重程度相关. 这些抗体也存在于C3G/IC-MPGN患者中,但标位低于aHUS.

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
儿科儿科儿科

背景情况:

在30%-40%的患者中,非典型的血溶性尿素性综合征 (aHUS) 的原因尚不清楚.
抗B因子 (FB) 抗体已在C3型血小板病 (C3G) 和免疫复杂膜增殖性血小板炎 (IC-MPGN) 中被发现,但以前在aHUS中没有发现.

研究的目的:

调查抗FB抗体在儿科aHUS中的流行率和重要性.
为了将aHUS中的抗FB抗体水平与C3G和IC-MPGN.中的抗体水平进行比较.

主要方法:

使用ELISA和西方血型测试对儿科aHUS,C3G和IC-MPGN队列进行抗FBIgG抗体的查.
与103名健康献血者抗体水平的比较以及与临床参数的相关性.

主要成果:

在9.7%的aHUS患者中检测到抗FB抗体,包括那些与抗H因子 (FH) 相关且病因不明的患者.
与C3G/IC-MPGN患者相比,aHUS患者的抗体标位较高,并且与疾病严重程度 (血红蛋白,血小板) 相相关.
在血交换后,抗FB抗体水平下降,在复发期间增加,这表明在疾病活动中发挥了作用.

结论:

抗FB抗体存在于儿科aHUS,C3G和IC-MPGN患者的一个子集中,aHUS的患病率和标位更高.
在aHUS中抗FB抗体的诊断和治疗含义需要进一步调查.
这项研究强调了印度儿童患有HUS的自身抗体生成和共存风险因素的趋势.

关键词:

自动抗体是一种自身抗体.在C3型淋巴细胞病变中.补充路径补充路径血栓性微血管病变 - - 血栓性微血管病变

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