ArticleGenes & genomics2025
Construction of LncRNA-miRNA-mRNA regulatory network in IgA nephropathy mice model by RNA-sequencing and bioinformatics analysis.
Article in Genes & genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
Funding
Abstract
backgroundImmunoglobulin A nephropathy (IgAN) represents the most prevalent form of primary glomerulonephritis. Long noncoding RNAs (lncRNAs) play critical roles in the initiation and progression of various diseases, including kidney disorders. However, the involvement of lncRNAs in IgAN remains underexplored. This study aims to investigate the potential role of lncRNAs in IgAN by constructing a comprehensive lncRNA-miRNA-mRNA regulatory network.
methodsAn IgAN mouse model was established for the study. The expression profiles of lncRNAs and mRNAs were obtained via RNA sequencing (RNA-seq) to identify differentially expressed mRNAs and lncRNAs. A lncRNA-mediated competing endogenous RNA (ceRNA) regulatory network was subsequently constructed through bioinformatics analysis, and pathway enrichment was explored through functional analyses. Validation of lncRNAs, miRNAs, and mRNAs was performed via Real-time quantitative polymerase chain reaction (RT-qPCR).
resultsHistological analysis using hematoxylin and eosin (HE) staining and immunofluorescence confirmed the successful development of the IgAN mouse model. Enzyme-linked immunosorbent assay (ELISA) and biochemical index testing indicated significant increases in renal function markers, including Immunoglobulin A (IgA), Blood Urea Nitrogen (BUN), and Creatinine (CRE). RNA-seq analysis revealed 388 differentially expressed lncRNAs and 256 differentially expressed mRNAs. A bioinformatics-based ceRNA network, focused on inflammation and immune response, was successfully constructed, comprising 19 lncRNAs, 7 mRNAs, and 5 miRNAs. Functional enrichment analysis identified significant involvement of these lncRNAs in the MAPK, Ras, and PI3K-Akt signaling pathways. Finally, the RT-qPCR validation data agreed with the RNA-seq.
conclusionThis study identified a novel lncRNA/miRNA/mRNA regulatory network involved in the pathogenesis of IgAN.
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