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Objectives: The aim of this study was to investigate differentially expressed genes (DEGs) in the acute pancreatitis (AP).
Methods: Microarray datasets GSE3644, GSE65146, and GSE109227 were downloaded from Gene Expression Omnibus database. Then, a comprehensive analysis of these genes was performed using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis, protein-protein interaction network analysis, core gene correlation analysis, and transcription factor prediction. Finally, the differences in the expression of hub genes in human organs and survival analysis in pancreatic carcinoma were evaluated.
Results: A total of 137 DEGs were screened, 128 genes were upregulated, and 9 genes were downregulated. Functional enrichment analysis demonstrated that these genes were mostly enriched in biological processes such as positive regulation of macroautophagy, cellular component such as focal adhesion, molecular function such as cadherin binding involved in cell-cell adhesion, and multiple pathways including tight junction. CDH1 and VCL were identified as hub DEGs, close interactions with MAZ, were expressed in human pancreas organs in various degrees. The high expression of CDH1 and VCL was significantly associated with poor prognosis in pancreatic carcinoma.
Conclusions: The core genes CDH1 and VCL may play a key role in AP through regulation by MAZ.
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