在结直肠癌中通过PIANOS系统进行个性化风险分层
Du Cai1,2,3, Haoning Qi1,2,3, Qiuxia Yang4
1Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, P. R. China.
Nature communications
|July 16, 2025
概括
一个新的分类器,PIANOS,准确地将结直肠癌 (CRC) 患者分为风险组. 这种工具可以改善治疗决策和预测存活率,优于现有模型.
科学领域:
- 在瘤学瘤学.
- 生物信息学是一种生物信息学.
- 基因组学就是基因组学.
背景情况:
- 目前结直肠癌 (CRC) 的预后生物标志物表现出有限的稳定性和概括性,阻碍了准确的患者风险分层.
- 对于完善CRC管理中的处理策略,需要强大且独立于平台的工具至关重要.
研究的目的:
- 引入PIANOS (平台独立和无规范化单个样本分类器),这是一个用于将CRC患者分为不同的风险组的新型分类器.
- 通过提供可靠的患者分层和治疗优化工具来增强临床决策.
主要方法:
- 使用来自562名CRC患者的基因表达数据开发PIANOS.
- 应用基于等级的k-Top评分对 (k-TSP) 算法与重新采样技术相结合.
- 在15个独立队列中严格验证PIANOS,包括3666名CRC患者,利用微阵列和RNA测序等多种平台.
主要成果:
- 皮亚诺斯有效地区分高风险和低风险的CRC患者,与105个现有模型相比,其表现优越.
- 该分类器在不同技术平台上表现出强大而一致的性能.
- 皮亚诺斯分层是经过验证的独立预测器,可预测CRC患者无疾病生存率.
结论:
- PIANOS提供了一种稳定和可通用的CRC患者分层方法,显著推进了临床决策支持.
- 该分类器准确地预测了差异性治疗反应,识别了对贝瓦齐祖马布敏感的高风险患者和对化疗/免疫治疗有反应的低风险患者.
- PIANOS为优化结直肠癌个性化治疗策略提供了一个可靠的框架.
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