Xi Zhang1, Youwei Lu1, Wei Jiang2, Qianhong Yang1. 1. Department of Geriatrics, Minhang Hospital, Fudan University, Shanghai, China. 2. Department of Neurosurgery, Minhang Hospital, Fudan University, Shanghai, China.
Abstract
Background: Atherosclerosis (AS) is a serious chronic condition associated with cardiovascular and cerebrovascular diseases. Research on AS is currently lacking, and there is a need to increase research to improve the diagnosis, treatment, and prognosis of AS. Therefore, the aim of the present study was to explore the molecular mechanism and identify potential biomarkers in AS. Methods: First, we downloaded the GSE28829 dataset and screened differentially expressed genes (DEGs). Then, DEGs were analyzed by functional enrichment analysis and protein-protein interaction (PPI) networks to determine hub genes. The key gene for AS was identified following the expression analysis of AS, clinical correlation with immune factors, the gene set enrichment analysis (GSEA) enrichment pathway, and receiver-operating characteristic curve analysis. In functional experiments, correlations between cullin 1 (CUL1), cytokines, and downstream targets in AS were investigated. Results: We identified 595 upregulated and 391 downregulated DEGs enriched in neutrophil degranulation, the B-cell receptor signaling pathway, cell-matrix adhesion, and fatty acid degradation. Through PPI, we identified 7 hub genes for the expression analysis, immunoassay, and GSEA. Finally, CUL1 was identified as the inhibitory gene in AS associated with immune factors, and was found to have a strong prognostic prediction ability. The results indicated that CUL1 upregulated interleukin (IL)-6, IL-1β, and tumor necrosis factor-α concentrations, and weakened the cell proliferation of AS. It was also found that CUL1 exerted its inhibitory function in AS by the p53 pathway. Conclusions: The findings of the present study indicate that CUL1 is a suppressing gene in AS, and has the potential to be a therapeutic and prognostic biomarker for AS. 2022 Annals of Translational Medicine. All rights reserved.
Background: Atherosclerosis (AS) is a serious chronic condition associated with cardiovascular and cerebrovascular diseases. Research on AS is currently lacking, and there is a need to increase research to improve the diagnosis, treatment, and prognosis of AS. Therefore, the aim of the present study was to explore the molecular mechanism and identify potential biomarkers in AS. Methods: First, we downloaded the GSE28829 dataset and screened differentially expressed genes (DEGs). Then, DEGs were analyzed by functional enrichment analysis and protein-protein interaction (PPI) networks to determine hub genes. The key gene for AS was identified following the expression analysis of AS, clinical correlation with immune factors, the gene set enrichment analysis (GSEA) enrichment pathway, and receiver-operating characteristic curve analysis. In functional experiments, correlations between cullin 1 (CUL1), cytokines, and downstream targets in AS were investigated. Results: We identified 595 upregulated and 391 downregulated DEGs enriched in neutrophil degranulation, the B-cell receptor signaling pathway, cell-matrix adhesion, and fatty acid degradation. Through PPI, we identified 7 hub genes for the expression analysis, immunoassay, and GSEA. Finally, CUL1 was identified as the inhibitory gene in AS associated with immune factors, and was found to have a strong prognostic prediction ability. The results indicated that CUL1 upregulated interleukin (IL)-6, IL-1β, and tumor necrosis factor-α concentrations, and weakened the cell proliferation of AS. It was also found that CUL1 exerted its inhibitory function in AS by the p53 pathway. Conclusions: The findings of the present study indicate that CUL1 is a suppressing gene in AS, and has the potential to be a therapeutic and prognostic biomarker for AS. 2022 Annals of Translational Medicine. All rights reserved.
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