Differential network analysis by simultaneously considering changes in gene interactions and gene expression

JJ Tu, L Ou-Yang, Y Zhu, H Yan, H Qin… - Bioinformatics, 2021 - academic.oup.com
Motivation Differential network analysis is an important tool to investigate the rewiring of
gene interactions under different conditions. Several computational methods have been …

An empirical -Wishart prior for sparse high-dimensional Gaussian graphical models

C Liu, R Martin - arXiv preprint arXiv:1912.03807, 2019 - arxiv.org
In Gaussian graphical models, the zero entries in the precision matrix determine the
dependence structure, so estimating that sparse precision matrix and, thereby, learning this …

A joint graphical model for inferring gene networks across multiple subpopulations and data types

XF Zhang, L Ou-Yang, T Yan, XT Hu… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Reconstructing gene networks from gene expression data is a long-standing challenge. In
most applications, the observations can be divided into several distinct but related …

DiffNetFDR: differential network analysis with false discovery rate control

XF Zhang, L Ou-Yang, S Yang, X Hu, H Yan - Bioinformatics, 2019 - academic.oup.com
To identify biological network rewiring under different conditions, we develop a user-friendly
R package, named DiffNetFDR, to implement two methods developed for testing the …

[HTML][HTML] DiNeR: a Differential graphical model for analysis of co-regulation Network Rewiring

J Zhang, J Liu, D Lee, S Lou, Z Chen, G Gürsoy… - BMC …, 2020 - Springer
Background During transcription, numerous transcription factors (TFs) bind to targets in a
highly coordinated manner to control the gene expression. Alterations in groups of TF …

GeneNetTools: tests for Gaussian graphical models with shrinkage

V Bernal, V Soancatl-Aguilar, J Bulthuis… - …, 2022 - academic.oup.com
Abstract Motivation Gaussian graphical models (GGMs) are network representations of
random variables (as nodes) and their partial correlations (as edges). GGMs overcome the …

HeteroGGM: an R package for Gaussian graphical model-based heterogeneity analysis

M Ren, S Zhang, Q Zhang, S Ma - Bioinformatics, 2021 - academic.oup.com
Heterogeneity is a hallmark of many complex human diseases, and unsupervised
heterogeneity analysis has been extensively conducted using high-throughput molecular …

Constructing gene regulatory networks from microarray data using non-Gaussian pair-copula Bayesian networks

O Chatrabgoun, A Hosseinian-Far… - … of Bioinformatics and …, 2020 - World Scientific
Many biological and biomedical research areas such as drug design require analyzing the
Gene Regulatory Networks (GRNs) to provide clear insight and understanding of the cellular …

Joint reconstruction of multiple gene networks by simultaneously capturing inter-tumor and intra-tumor heterogeneity

JJ Tu, L Ou-Yang, H Yan, XF Zhang, H Qin - Bioinformatics, 2020 - academic.oup.com
Motivation Reconstruction of cancer gene networks from gene expression data is important
for understanding the mechanisms underlying human cancer. Due to heterogeneity, the …

Integrating multi-omics data to identify dysregulated modules in endometrial cancer

Z Chen, B Liang, Y Wu, Q Liu… - Briefings in Functional …, 2022 - academic.oup.com
Cancer is generally caused by genetic mutations, and differentially expressed genes are
closely associated with genetic mutations. Therefore, mutated genes and differentially …