ArticleBMC neurology2026
Identification and verification of hub genes related to mitochondrial dysfunction in epilepsy based on bioinformatics analysis.
Article in BMC neurology, 2026. 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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Abstract
backgroundEpilepsy is a neurological disorder characterized by recurrent seizures, and understanding its underlying molecular mechanisms remains a significant challenge. The objective of this study was to investigate the role of mitochondrial energy metabolism-related differentially expressed genes (MRDEGs) in epilepsy and explore diagnostic models based on these genes.
methodsDatasets were obtained from the Gene Expression Omnibus (GEO) database. A differential expression analysis was conducted to identify MRDEGs. Diagnostic models were developed using logistic regression, support vector machine (SVM), and random forest (RF) algorithms. LASSO regression was employed to mitigate overfitting. The diagnostic value of the models was assessed using receiver operating characteristic (ROC) curves. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed on the hub genes. Protein‒protein interaction (PPI) networks were constructed and visualized using Cytoscape software. Additionally, mRNA‒miRNA and mRNA‒transcription factor (TF) interaction networks were constructed.
resultsIn the GSE143272 dataset, logistic regression analysis revealed 26 statistically significant MRDEGs. The SVM model achieved the highest accuracy, with 22 MRDEGs. The RF algorithm identified 11 important MRDEGs for which IncNodePurity > 0.80. LASSO regression yielded a diagnostic model comprising five hub genes: ACAA1, ALDH3B1, DLST, GCDH, and NDUFB9. The ROC curves showed high accuracy for DLST (AUC > 0.9). GO and KEGG analyses revealed significant enrichment in processes such as mitochondrial ATP synthesis coupled with electron transport. PPI networks illustrated the interactions between hub genes.
conclusionsIn conclusion, we elucidated the critical role of MRDEGs in the pathogenesis of epilepsy and developed a robust diagnostic model with potential clinical applications.
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