LUM is the hub gene of advanced fibrosis in nonalcoholic fatty liver disease patients - 16/01/21
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Highlights |
• | We performed a weighted gene coexpression network analysis to identify the hub genes related to advanced fibrosis in NAFLD. |
• | LUM was the hub gene of NAFLD. |
• | The functional enrichment analysis shows that the identified module is related to the extracellular matrix, regulation of cell proliferation, and inflammatory response. |
Summary |
Introduction |
Advanced fibrosis in nonalcoholic fatty liver disease (NAFLD) is associated with a poor prognosis. The genetic factors contributing to fibrosis in NAFLD have been described. However, the genetic mechanism and hub genes of advanced fibrosis have not been elucidated to date. In this study, we performed a weighted gene coexpression network analysis (WGCNA) to identify the hub genes related to advanced fibrosis in NAFLD.
Materials and methods |
The datasets GSE89632 and GSE31803 of NAFLD patients were selected from the Gene Expression Omnibus (GEO) database of NCBI and analyzed by WGCNA. The hub genes were selected in the GSE31803 dataset and verified in the GSE31803 dataset. Gene Ontology (GO) term enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis of the dataset were also performed.
Results |
The gene LUM was identified as the hub gene in the datasets GSE89632 and GSE31803 according to three different algorithms (gene significance and module membership, the pathways of the genes, and protein expressed by the genes). The functional enrichment analysis shows that the identified module is related to the extracellular matrix, regulation of cell proliferation, and the inflammatory response. The metabolic pathway analysis identified metabolic pathways and focal adhesion as the most important pathways.
Conclusion |
By a variety of methods, LUM was identified as the hub gene of advanced fibrosis in patients with NAFLD. Therefore, further research on the LUM gene is warranted.
Le texte complet de cet article est disponible en PDF.Keywords : Nonalcoholic fatty liver disease, Gene, Coexpression network, Pathway, LUM
Abbreviations : DAVID, ECM, GEO, GO, GS, KEGG, ME, MM, NAFLD, NASH, PPI, TOM, WGCNA
Plan
Vol 45 - N° 1
Article 101435- janvier 2021 Retour au numéro
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