Comprehensive analysis of gene expression profiles provides insight into the pathogenesis of Crohn's disease

Molecular Medicine Reports
Lumin BoJunchi Yang

Abstract

Crohn's disease (CD) is a type of inflammatory bowel disease that cannot be fully cured by medication or surgery. In the present study, the aim was to understand the underlying mechanisms of CD. Two CD microarray datasets were downloaded from The Gene Expression Omnibus database: GSE36807 (13 CD and 7 normal samples) and GSE59071 (8 CD and 11 normal samples). A series of bioinformatics analyses were conducted, including weighted gene co‑expression network analysis to identify stable modules, and analysis of differentially expressed genes (DEGs) between CD and normal samples. The common DEGs in the GSE36807 and GSE59071 datasets were screened. Subsequently, overlapping genes in the stable modules and the DEGs were selected to construct a protein‑protein interaction (PPI) network using Cytoscape software. Enrichment analysis of genes in the network was performed to explore their biological functions. A total of 10 stable modules and 927 DEGs were identified, of which 234 genes were shared in the stable modules and the DEGs. After removal of 32 uncharacterized genes, 202 genes were selected to build the PPI network. Low density lipoprotein receptor (LDLR), toll‑like receptor 2 (TLR2), lipoprotein lipase (LPL), forkhead box protein...Continue Reading

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Citations

May 4, 2021·Frontiers in Immunology·Bing YuBang-Li Hu

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Datasets Mentioned

BETA
GSE36807
GSE59071

Software Mentioned

R
R WGCNA package
WGCNA
DAVID
WGCCA
oligo
R MetaDE package
Cytoscape

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