综合的多原子剖析揭示了通过机器学习优化清细胞脏细胞癌的巨驱动的预后特征
Wei Cao1, Wenyuan Zhuang1, Kai Xu1
1Department of Urology, The Third Affiliated Hospital of Nanjing Medical University, Changzhou, Jiangsu, China.
Frontiers in immunology
|January 28, 2026
概括
这项研究确定了清细胞细胞癌 (KIRC) 中五种不同的巨细胞子集,揭示了新的预后特征. 这种基于巨细胞异质性的特征,为改进KIRC诊断和治疗策略提供了潜力.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 基因组学就是基因组学.
背景情况:
- 清细胞细胞癌 (KIRC) 是一种具有不良预后的侵袭性癌.
- 瘤相关巨细胞 (TAMs) 在KIRC中显著影响瘤微环境和治疗耐药性.
- 了解TAM异质性对于开发有效的KIRC疗法至关重要.
研究的目的:
- 用单细胞RNA测序分析KIRC中的TAM异质性.
- 为了确定KIRC的预后性巨细胞签名.
- 为了描述驱动KIRC进展的免疫代谢程序.
主要方法:
- 集成的单细胞RNA测序 (scRNA-seq) 与高维权基因共同表达网络分析 (hdWGCNA).
- 采用机器学习模型,包括随机生存森林,用于预测签名的开发.
- 使用独立患者队列 (TCGA,CPTAC) 和空间验证验证的验证结果.
主要成果:
- 确定了五个不同的巨细胞子集,包括与脂质相关的和炎症类型,不同于M1/M2分类.
- 开发了一种强大的以巨为中心的预后特征,具有显著的预测能力 (日志排名p < 0.0001).
- PRDX1+LA-Mac被确定为与高风险KIRC患者和较差生存率相关的关键亚型.
结论:
- 在KIRC中阐明了TAM转录和功能异质性.
- 为KIRC建立了一个转化性巨细胞衍生的预后签名.
- 突出了巨细胞两极分化在免疫抑制和代谢适应中的双重作用,表明了新的治疗点.
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