ArticleCurrent microbiology2025
Identification of Potential Key Ferroptosis-Related Genes in EV71-Infected Cells Through Bioinformatics Analysis and Experimental Study.
Article in Current microbiology, 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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Abstract
Ferroptosis is an iron-dependent programmed cell death linked to intensified lipid peroxidation reactions, ultimately causing damage to cellular structures such as membranes. It is associated with various viral infections, including Enterovirus 71 (EV71), a major cause of severe hand, foot, and mouth disease with potential neurological complications. However, the role of ferroptosis in EV71 infection is not fully understood. In this study, we downloaded a microarray dataset of EV71-infected samples (GSE71673) from the Gene Expression Omnibus (GEO) and retrieved ferroptosis-related genes (FRGs) from FerrDB. Compared to the control group, we identified 69 differentially expressed ferroptosis-related genes (FR-DEGs) that were differentially expressed in the EV71-infected cell samples compared with the control samples. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses, along with protein‒protein interaction (PPI) network analysis, revealed associations with pathways related to miRNA transcription, protein binding, and cancer. Eight hub genes were identified, with five validated in EV71-infected U87 cells. In the regulatory network, we identified six transcription factors (TFAP2A, STAT3, SP1, EGR1, MAX, and AR) and three microRNAs (hsa-miR-1, hsa-miR-20a, and hsa-miR-545) that play key regulatory roles in the expression of hub genes. In summary, the 5 validated FR-DEGs (IL-6, JUN, CXCL8, FGF2, and TGFB1), six transcription factors and the three microRNAs that regulate hub gene expression. In addition, EV71 infection reduces cellular GSH and GPX4 expression, promotes ROS production, and decreases cell viability. These findings reveal significant transcriptional reprogramming of ferroptosis-associated genes during EV71 infection, highlighting a potential role for this pathway that requires direct experimental validation.
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