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确定与巨细胞激活综合征相关的系统性红斑狼的新生物标志物

Yuanyuan Pei¹, Yiran Zhou², Fengtao Yang¹

¹Department of Emergency, Peking University People's Hospital, Beijing, China.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

|February 14, 2026

概括

新的生物标志物KLRG1,KLRC3和ULK2显示出有希望的早期检测巨细胞激活综合征 (MAS) 在系统性红斑狼 (SLE) 患者. KLRG1表现出最高的准确性,为及时诊断和治疗指导提供了潜在的工具.

科学领域:

免疫学免疫学免疫学
类风湿病学类风湿病学
分子诊断学分子诊断学

背景情况:

大细胞激活综合征 (MAS) 是血细胞性淋巴细胞瘤 (HLH) 的严重并发症,通常与诸如系统性红斑狼 (SLE) 等自身免疫性疾病有关.
在SLE患者中诊断MAS是具有挑战性的,因为症状重叠,导致诊断不足和误诊.
对于SLE中MAS的敏感和特定的早期诊断生物标志物有着至关重要的需求.

研究的目的:

为了确定新的mRNA生物标志物用于早期预测MAS在患者活跃的SLE.
与传统指标相比,评估潜在生物标志物的诊断准确性.

主要方法:

在健康对照组,SLE患者和SLE-MAS患者的外周血液单核细胞 (PBMC) 上进行了RNA测序 (RNA-seq).
鉴定了差异表达的mRNA,并使用实时PCR在更大的活跃SLE患者队列中验证了关键候选者 (KLRG1,KLRC3,ULK2).
临床数据和诊断标准 (HLH-2004,HScore) 用于患者分层和分析.

主要成果:

确定了KLRG1,KLRC3和ULK2作为SLE-MAS的关键mRNA预测因子.
与活跃的SLE患者相比,SLE-MAS患者表现出明显的临床特征,包括发烧,细胞衰退和肝损伤.
KLRG1的诊断性能很高 (AUC为0.927,灵敏度为88.9%,特异性为92.9%),表现优于KLRC3,ULK2和传统标记物 (Fer,FIB,TG).

结论:

KLRG1,KLRC3和ULK2是预测SLE患者MAS的有希望的生物标志物.
KLRG1表现出卓越的灵敏度和特异性,将其定位为SLE-MAS的最佳早期预警生物标志物.
KLRG1可以促进及时诊断,并指导SLE中MAS的及时,有针对性的治疗.

关键词:

生物标志物生物标志物诊断诊断诊断的诊断在KLRG1中,KLRG1是KLRG1中的一个.巨细胞激活综合征是什么在RNA-seqqq.系统性红血性狼 (Systemic lupus erythematosusus) 是一种全身性狼.

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