Identification of pathogenic genes and transcription factors in respiratory syncytial virus.
2021
Background Respiratory syncytial virus (RSV) is a major cause of acute lower respiratory infections in children, especially bronchiolitis. Our study aimed to identify the key genes and upstream transcription factors in RSV. Methods To screen for RSV pathogenic genes, an integrated analysis was performed using the RSV microarray dataset in GEO. Functional annotation and potential pathways for differentially expressed genes (DEGs) were further explored by GO and KEGG enrichment analysis. We constructed the RSV-specific transcriptional regulatory network to identify key transcription factors for DEGs in RSV. Results From three GEO datasets, we identified 1059 DEGs (493 up-regulated and 566 down-regulated genes, FDR 0.8) between RSV patients and normal controls. GO and KEGG analysis revealed that 'response to virus' (FDR = 7.13E-15), 'mitochondrion' (FDR = 1.39E-14) and 'Asthma' (FDR = 1.28E-06) were significantly enriched pathways for DEGs. The expression of IFI27, IFI44, IFITM3, FCER1A, and ISG15 were shown to be involved in the pathogenesis of RSV. Conclusions We concluded that IFI27, IFI44, IFITM3, FCER1A, and ISG15 may play a role in RSV. Our finding may contribute to the development of new potential biomarkers, reveal the underlying pathogenesis and also identify novel therapeutic targets for RSV.
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