GPR15和CD38定义了与活跃的eosinophilic食道炎相关的外周血液病原效应Th2细胞的一个子集
bioRxiv : the preprint server for biology
|December 3, 2025
概括
周围血液的GPR15+致病效应物Th2细胞与酸性食道炎 (EoE) 有关. 在这些细胞中增加GPR15和CD38的表达可能作为EoE诊断和监测的非侵入性生物标志物.
科学领域:
- 免疫学 免疫学 免疫学
- 过敏研究 研究过敏
- 胃肠病学 胃肠病学
背景情况:
- 性食道炎 (EoE) 是一种慢性过敏性疾病.
- 目前的诊断依赖于侵入性手术.
- 周围GPR15+致病效应物Th2 (peTh2) 细胞参与了EoE.
研究的目的:
- 评估 GPR15+ peTh2 细胞与 EoE 的相关性.
- 探索它们在EoE病原发生中的作用.
- 评估它们作为非侵入性生物标志物的潜力.
主要方法:
- 在外周血液和活检样本上进行流细胞计和单细胞RNA测序 (scRNA-seq).
- 对peTh2细胞上的GPR15和CD38表达的分析.
- 基因表达概况. 基因表达概况.
主要成果:
- 在EoE患者中,GPR15表达在外围的peTh2细胞上升.
- 在活跃的EoE期间,CD38表达在这些细胞上增加,在活检中反映出来.
- 在活跃的EoE中,确定了与CD38相关的独特的peTh2基因表达程序.
- GPR15表达有效地将活性EoE与非EoE状态区分开来 (AUC 0.93).
结论:
- 与EoE相关的peTh2细胞可以在周围血液中检测到.
- 这些细胞显示出作为EoE诊断和监测的非侵入性生物标志物的潜力.
- 这些发现表明,驱动EoE病原体的新机制.
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