基于批量和单细胞测序数据,对毒症中与衰老相关的基因进行了全面分析
Linfeng Tao1, Yue Zhu2, Lifang Wu3
1Gusu School of Nanjing Medical University, Department of Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou Clinical Medical Center of Critical Care Medicine, Suzhou, China.
Frontiers in molecular biosciences
|January 23, 2024
概括
衰老相关基因 (SAG) 与败血症密切相关,已识别的枢纽基因显示出这种危及生命的疾病的潜在可靠诊断标记.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
- 计算生物学 计算生物学
背景情况:
- 败血症是一种危及生命的器官功能障碍,由对感染的免疫反应失调引起.
- 老化相关基因 (SAG) 在疾病扩散中发挥作用,但它们与败血症的联系尚不清楚.
- 在败血症中研究SAG对于了解疾病机制和开发诊断至关重要.
研究的目的:
- 为了确定与败血症相关的枢纽SAG.
- 开发一种用于败血症预测的诊断模型.
- 探索SAG和免疫细胞透在败血症之间的关系.
主要方法:
- 使用RNA表达数据集 (GSE28750,GSE57065) 来识别枢纽SAG.
- 开发了一个基于枢纽基因表达的诊断模型.
- 使用CIBERSORT,MCP-counter,无监督聚类和WGCNA进行免疫和基因表达分析.
- 分析了单细胞RNA测序 (scRNA-seq) 数据.
主要成果:
- 使用枢纽基因 (IGFBP7,GMFG,IL10,IL18,ETS2,HGF,CD55,MMP9) 的诊断模型显示出高准确度 (AUC=0.989).
- 权重基因相关联网络分析 (WGCNA) 在败血症患者中确定了两个不同的免疫状态集群.
- 与健康个体相比,在败血症患者的自然杀手 (NK) 细胞中发现了高水平的SAG.
结论:
- SAG与败血症有显著的相关性.
- 已识别的枢纽基因作为毒症的潜在诊断标记.
- 了解SAG在NK细胞等免疫细胞中的作用,可能会提供治疗见解.
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