scDisInFact: disentangled learning for integration and prediction of multi-batch multi-condition single-cell RNA-sequencing data

Ziqi Zhang, Xinye Zhao, Mehak Bindra, Peng Qiu and Xiuwei Zhang ()
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Ziqi Zhang: Georgia Institute of Technology
Xinye Zhao: Georgia Institute of Technology
Mehak Bindra: Georgia Institute of Technology
Peng Qiu: Georgia Institute of Technology and Emory University
Xiuwei Zhang: Georgia Institute of Technology

Nature Communications, 2024, vol. 15, issue 1, 1-16

Abstract: Abstract Single-cell RNA-sequencing (scRNA-seq) has been widely used for disease studies, where sample batches are collected from donors under different conditions including demographic groups, disease stages, and drug treatments. It is worth noting that the differences among sample batches in such a study are a mixture of technical confounders caused by batch effect and biological variations caused by condition effect. However, current batch effect removal methods often eliminate both technical batch effect and meaningful condition effect, while perturbation prediction methods solely focus on condition effect, resulting in inaccurate gene expression predictions due to unaccounted batch effect. Here we introduce scDisInFact, a deep learning framework that models both batch effect and condition effect in scRNA-seq data. scDisInFact learns latent factors that disentangle condition effect from batch effect, enabling it to simultaneously perform three tasks: batch effect removal, condition-associated key gene detection, and perturbation prediction. We evaluate scDisInFact on both simulated and real datasets, and compare its performance with baseline methods for each task. Our results demonstrate that scDisInFact outperforms existing methods that focus on individual tasks, providing a more comprehensive and accurate approach for integrating and predicting multi-batch multi-condition single-cell RNA-sequencing data.

Date: 2024
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DOI: 10.1038/s41467-024-45227-w

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