微生物组多组数据的预测建模框架:潜伏交互变量效应 (LIVE) 建模
Javier Munoz Briones1,2, Douglas K Brubaker3,4,5
1Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA.
BMC bioinformatics
|April 29, 2025
概括
隐性交互变量效应 (LIVE) 建模整合了多omics数据,以确定与疾病相关的关键微生物和代谢特征. 这种计算框架有助于解释复杂的宿主微生物群相互作用,以更好地预测和理解疾病.
科学领域:
- 微生物组研究 微生物组研究
- 计算生物学 计算生物学
- 系统生物学 系统生物学
背景情况:
- 越来越多的多omics宿主微生物群数据需要先进的计算工具来解释.
- 整合多样化的OMIC数据集对于理解复杂的生物系统和疾病机制至关重要.
- 隐性交互变量效应 (LIVE) 建模为微生物多omics数据集成提供了一个新的框架.
研究的目的:
- 介绍和验证微生物组多omics数据集成的潜在交互变量效应 (LIVE) 建模框架.
- 开发LIVE的监督和无监督版本,能够结合共同变量意识.
- 评估LIVE在使用现实世界微生物组和代谢数据集预测疾病状况方面的表现.
主要方法:
- 使用稀疏的部分最小平方差异分析 (sPLS-DA) 潜在变量开发了一个受监督的 LIVE 模型.
- 使用稀疏的主要组件分析 (sPCA) 主要组件开发了一个无监督的LIVE模型.
- 将共变量意识纳入监督和无监督的LIVE模型.
- 在克罗恩氏病和性结肠炎患者 (PRISM和LLDeep队列) 的转基因组和代谢学数据上应用和比较 LIVE.
主要成果:
- LIVE在基准测试数据集上展示了与现有的多学科整合方法相比的一致和可比的性能.
- 在克罗恩氏病和性结肠炎数据集中,LIVE显著地将特征相互作用的复杂性从数百万减少到不到20,000.
- 该框架成功地将微生物和代谢特征的疾病预测能力与临床变量相关.
结论:
- LIVE为现有的微生物多组组合方法提供了一种独特且互补的方法.
- 在可解释性整合多omics数据与临床变量来预测疾病后果方面,LIVE提供了显著的优势.
- 该框架有助于识别潜在疾病病原体的微生物组相关机制.
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