解读尿样中的细胞异质性和通路动态:基于UMAP的方法来理解急性损伤
Cheng Yuan1,2,3, Juan Wu4, Yuandi Xiang5
1Department of Oncology, Yichang Central People's Hospital and The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei, China.
Frontiers in pharmacology
|September 3, 2025
概括
急性损伤 (AKI) 涉及功能快速丧失. 这项研究发现,MAPK1在AKI患者中升级,可能作为纤维化的生物标志物和治疗标.
科学领域:
- 肝脏病学
- 基因组学
- 免疫学
背景情况:
- 急性损伤 (AKI) 是一种严重的疾病,功能迅速下降,临床结果严重.
- 在AKI期间了解尿液中的细胞多样性可以了解疾病机制和治疗策略.
研究的目的:
- 使用统一多重近似和投影 (UMAP) 研究AKI尿液中的细胞组成和基因表达.
- 确定与AKI病理生理学相关的细胞相互作用和通路激活.
主要方法:
- 来自基因表达综合数据库 (GEO) 的公开可用的GSE180595数据集的分析.
- 来自AKI和非AKI患者的尿单核细胞的单细胞RNA测序 (scRNA-seq).
- 差异性基因表达分析侧重于ECM相关途径和MAPK1量化.
主要成果:
- UMAP揭示了AKI与非AKI样本的不同细胞组成,在AKI中免疫细胞增加,如单细胞.
- 途径分析显示,AKI细胞的DNA复制和ECM相关基因激活增强,这表明它们在损伤和重塑中起作用.
- 与ECM相关的途径在AKI中显著丰富,MAPK1被确定为关键的调节基因.
结论:
- 在AKI患者的尿单核细胞中,MAPK1被上调,并调节与ECM相关的途径.
- MAPK1显示为AKI诊断/预后生物标志物以及ECM重塑和纤维化的治疗标.
- 需要进一步的研究来探索针对MAPK1在AKI治疗中的临床实用性.
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