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Adaptively Weighted and Robust Mathematical Programming for the Discovery of Driver Gene Sets in Cancers

机译:自适应加权和鲁棒的数学编程,用于发现癌症中的驱动基因集

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摘要

High coverage and mutual exclusivity (HCME), which are considered two combinatorial properties of mutations in a collection of driver genes in cancers, have been used to develop mathematical programming models for distinguishing cancer driver gene sets. In this paper, we summarize a weak HCME pattern to justify the description of practical mutation datasets. We then present AWRMP, a method for identifying driver gene sets through the adaptive assignment of appropriate weights to gene candidates to tune the balance between coverage and mutual exclusivity. It embeds the genetic algorithm into the subsampling strategy to provide the optimization results robust against the uncertainty and noise in the data. Using biological datasets, we show that AWRMP can identify driver gene sets that satisfy the weak HCME pattern and outperform the state-of-arts methods in terms of robustness.
机译:高覆盖和互斥性(HCME)被认为是癌症驱动基因集合中突变的两个组合特性,已被用于开发数学编程模型来区分癌症驱动基因组。在本文中,我们总结了一种弱HCME模式,以证明对实际突变数据集的描述是正确的。然后,我们介绍AWRMP,一种通过适当分配合适权重给候选基因来识别驱动基因集的方法,以调节覆盖范围和互斥性之间的平衡。它将遗传算法嵌入到二次采样策略中,以提供针对数据不确定性和噪声的鲁棒优化结果。使用生物学数据集,我们证明AWRMP可以识别出满足弱HCME模式的驱动基因集,并且在鲁棒性方面优于最新技术。

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