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Identification of key target genes and pathway analysis in nonalcoholic fatty liver disease via integrated bioinformatics analysis

Identification of key target genes and pathway analysis in nonalcoholic fatty liver disease via... AbstractPurposeThis study aimed at exploring the mechanisms underlying nonalcoholic fatty liver disease (NAFLD) and developing new diagnostic biomarkers for nonalcoholic steatohepatitis (NASH).MethodsThe microarray dataset GES83452 was downloaded from the NCBI-GEO database, and the differentially expressed RNAs (DERs) were screened between the NAFLD and non-NAFLD samples of the baseline and 1-year follow-up time point group based on the Limma package.ResultsA total of 561 DERs (268 downregulated and 293 upregulated) were screened in the baseline time point group, and 1163 DERs (522 downregulated and 641 upregulated) were screened in the 1-year follow-up time point group. A total of 74 lncRNA–miRNA pairs and 523 miRNA–mRNA pairs were obtained in order to construct a lncRNA–miRNA–mRNA regulatory network. Subsequently, functional enrichment analysis revealed 28 GO and 9 KEGG pathways in the ceRNA regulatory network. LEPR and CXCL10 are involved in the Cytokine–cytokine receptor interaction (P = 1.86E-02), and the FOXO1 is involved in both the insulin signaling pathway (P = 1.79E-02) and the pathways in cancer (P = 2.87E-02).ConclusionLEPR, CXCL10, and FOXO1 were the characteristic target genes for NAFLD. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Balkan Journal of Medical Genetics de Gruyter

Identification of key target genes and pathway analysis in nonalcoholic fatty liver disease via integrated bioinformatics analysis

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Publisher
de Gruyter
Copyright
© 2022 Chen X., Zhang L., Wang Y., Li R., Yang M., Gao L., published by Sciendo
ISSN
1311-0160
eISSN
1311-0160
DOI
10.2478/bjmg-2022-0006
Publisher site
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Abstract

AbstractPurposeThis study aimed at exploring the mechanisms underlying nonalcoholic fatty liver disease (NAFLD) and developing new diagnostic biomarkers for nonalcoholic steatohepatitis (NASH).MethodsThe microarray dataset GES83452 was downloaded from the NCBI-GEO database, and the differentially expressed RNAs (DERs) were screened between the NAFLD and non-NAFLD samples of the baseline and 1-year follow-up time point group based on the Limma package.ResultsA total of 561 DERs (268 downregulated and 293 upregulated) were screened in the baseline time point group, and 1163 DERs (522 downregulated and 641 upregulated) were screened in the 1-year follow-up time point group. A total of 74 lncRNA–miRNA pairs and 523 miRNA–mRNA pairs were obtained in order to construct a lncRNA–miRNA–mRNA regulatory network. Subsequently, functional enrichment analysis revealed 28 GO and 9 KEGG pathways in the ceRNA regulatory network. LEPR and CXCL10 are involved in the Cytokine–cytokine receptor interaction (P = 1.86E-02), and the FOXO1 is involved in both the insulin signaling pathway (P = 1.79E-02) and the pathways in cancer (P = 2.87E-02).ConclusionLEPR, CXCL10, and FOXO1 were the characteristic target genes for NAFLD.

Journal

Balkan Journal of Medical Genetics – de Gruyter

Published: Jun 1, 2022

Keywords: NAFLD; ceRNA regulation network; PharmGKB

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