arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1802.09381q-bio.QMcs.CVq-bio.GNstat.ML
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DropLasso:用于单细胞RNA测序数据的Lasso稳健变体

DropLasso: A robust variant of Lasso for single cell RNA-seq data

MINES ParisTech(巴黎高等矿业学院);PSL Research University(巴黎文理研究大学);Institut Curie(居里研究所);INSERM(法国国家健康与医学研究院);Ecole Normale Supérieure(巴黎高等师范学院);CNRS(法国国家科学研究中心)

Beyrem Khalfaoui, Jean-Philippe Vert

摘要:

单细胞RNA测序(scRNA-seq)是一种快速发展的方法,用于平行测量许多单个细胞的全基因组转录组,但会导致具有许多脱落事件的噪声数据。因此,从批量转录组数据中学习分子特征的现有方法可能不适用于scRNA-seq数据,以便将单个细胞自动分类为预定义的类别。我们提出了一种名为DropLasso的新方法来从scRNA-seq数据中学习分子签名。DropLasso扩展了神经网络训练中流行的dropout正则化技术,以估计稀疏线性模型。它很好地适应了被丢弃噪声破坏的数据,例如scRNA-seq数据,并且我们阐明了它与弹性网络正则化的关系。我们在模拟和真实scRNA-seq数据上提供了有希望的结果,表明DropLasso可能比标准规则更适合从scRNA-seq数据中推断分子特征。

英文摘要:

Single-cell RNA sequencing (scRNA-seq) is a fast growing approach to measure the genome-wide transcriptome of many individual cells in parallel, but results in noisy data with many dropout events. Existing methods to learn molecular signatures from bulk transcriptomic data may therefore not be adapted to scRNA-seq data, in order to automatically classify individual cells into predefined classes. We propose a new method called DropLasso to learn a molecular signature from scRNA-seq data. DropLasso extends the dropout regularisation technique, popular in neural network training, to esti- mate sparse linear models. It is well adapted to data corrupted by dropout noise, such as scRNA-seq data, and we clarify how it relates to elastic net regularisation. We provide promising results on simulated and real scRNA-seq data, suggesting that DropLasso may be better adapted than standard regularisa- tions to infer molecular signatures from scRNA-seq data.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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