期刊论文详细信息
BioData Mining
ScInfoVAE: interpretable dimensional reduction of single cell transcription data with variational autoencoders and extended mutual information regularization
Research
Faning Long1  Weiquan Pan2  Jian Pan2 
[1] School of Computer Science and Engineering, Yulin Normal University, Yulin, China;School of Mathematics and Statistics, Yulin Normal University, Yulin, China;
关键词: Unsupervised clustering;    Deep neural network;    Variational autoencoder;    Mutual information;    scRNA-seq data;   
DOI  :  10.1186/s13040-023-00333-1
 received in 2022-03-23, accepted in 2023-06-05,  发布年份 2023
来源: Springer
PDF
【 摘 要 】

Single-cell RNA-sequencing (scRNA-seq) data can serve as a good indicator of cell-to-cell heterogeneity and can aid in the study of cell growth by identifying cell types. Recently, advances in Variational Autoencoder (VAE) have demonstrated their ability to learn robust feature representations for scRNA-seq. However, it has been observed that VAEs tend to ignore the latent variables when combined with a decoding distribution that is too flexible. In this paper, we introduce ScInfoVAE, a dimensional reduction method based on the mutual information variational autoencoder (InfoVAE), which can more effectively identify various cell types in scRNA-seq data of complex tissues. A joint InfoVAE deep model and zero-inflated negative binomial distributed model design based on ScInfoVAE reconstructs the objective function to noise scRNA-seq data and learn an efficient low-dimensional representation of it. We use ScInfoVAE to analyze the clustering performance of 15 real scRNA-seq datasets and demonstrate that our method provides high clustering performance. In addition, we use simulated data to investigate the interpretability of feature extraction, and visualization results show that the low-dimensional representation learned by ScInfoVAE retains local and global neighborhood structure data well. In addition, our model can significantly improve the quality of the variational posterior.

【 授权许可】

CC BY   
© The Author(s) 2023

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