一个基于机器学习的新工作流程,通过转录多标签表征和临床相关分类来捕捉患者内异质性
Silvia Cascianelli1, Iva Milojkovic1, Marco Masseroli1
1Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci, 32, Milano, 20133, Italy.
Journal of biomedical informatics
|April 11, 2025
概括
这项研究引入了MULTI-STAR,一种新的计算方法,用于使用基因表达的多标签患者亚型. 它可以准确地识别单个患者内的多种癌症亚型,改善个性化医疗.
科学领域:
- 计算生物学是一种计算生物学.
- 基因组学就是基因组学.
- 精准医学是一门精准的医学.
背景情况:
- 准确地将患者分为分子亚型的分类对于理解和治疗复杂疾病至关重要.
- 目前的癌症亚型化方法往往过于简化了患者的分子形状,无法捕捉样本内异质性.
- 识别多个同时出现的亚型特征对于精确的患者表征和个性化治疗策略至关重要.
研究的目的:
- 开发一种新的计算工作流程,MULTI-STAR,用于可靠的多标签患者亚型.
- 解决现有方法的局限性,这些方法忽视了单个患者中多个分子亚型的同时发生.
- 为了实现更精确的患者表征,并改善个性化治疗决策.
主要方法:
- 开发了MULTI-STAR,一种利用基因表达特征进行多标签患者亚型的计算工作流.
- 适应基于相似性的技术,用于多标签的表征和训练有素的单样预测器.
- 使用机器学习来识别和排名表现最佳的多标签分类器.
主要成果:
- 多星分类器准确地识别所有贡献子类型,区分初级和次级分配.
- 与现有方法相比,在乳腺和结直肠癌的多标签亚型化中表现出优异的性能.
- 显示出更好的预后价值,特别是在总体存活预测和单个样本适用性方面.
结论:
- 多标签分类对于捕捉全面的分子特征和患者异质性至关重要.
- 多星为先进的患者表征提供了一种可重复和通用的方法.
- 这种方法提供了临床相关的见解,推进了精准医学和针对异质性疾病的个性化治疗.
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