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通过单细胞RNA测序揭示了原发性Sjögren综合征中独特的单细胞子组和细胞间通信

Xiaoyu Zhang¹, Xiangrong Song², Li Fang³

¹Department of Rheumatology, Affiliated Hospital of Qingdao University, Qingdao, Shangdong Province, China.

Journal of clinical immunology

|December 26, 2025

概括

主要Sjögren综合征 (pSS) 患者表现出改变的单细胞子集和增加的免疫细胞相互作用. 这些变化,特别是在古典和非古典单细胞亚种群中,突出了pSS的潜在治疗点.

科学领域:

免疫学免疫学免疫学
类风湿病学类风湿病学
基因组学就是基因组学.

背景情况:

单细胞子集在风湿性疾病的发展中至关重要.
主要Sjögren综合征 (pSS) 涉及复杂的免疫失调.

研究的目的:

用单细胞RNA测序 (scRNA-seq) 来表征pSS中的单细胞子集变异.
确定与pSS.这些单细胞变化相关的功能作用和分子途径.

主要方法:

从pSS患者和健康对照 (HCs) 的单细胞样本通过scRNA-seq.进行了分析.
鉴定了不同的基因表达,转录因子和免疫细胞相互作用.

主要成果:

确定了三个主要的单细胞子集 (经典,非经典,cDC2),具有不同的子群.
在pSS患者中,特定古典和非古典单细胞子群的比例增加.
在pSS单细胞中升高的途径包括病毒反应,干扰素活性和氧化酸化,具有特定的基因上调 (例如IFI44,IFI44L,LY6E).

结论:

scRNA-seq揭示了pSS.中单细胞子集和基因表达的显著变化.
这些发现确定了PSS干预的潜在生物标志物和治疗点.

关键词:

单细胞子集单细胞子集主要的Sjögren综合征一个单细胞RNA测序.转录基因分析的分析.

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