A novel gene signature based on the hub genes of COVID-19 predicts the prognosis of idiopathic pulmonary fibrosis

被引:2
作者
Guo, Run [1 ]
Zhou, Yuefei [2 ]
Lin, Fang [1 ]
Li, Mengxing [1 ]
Tan, Chunting [1 ]
Xu, Bo [1 ]
机构
[1] Capital Med Univ, Dept Resp Med, Beijing Friendship Hosp, Beijing, Peoples R China
[2] China Med Univ, Dept Orthoped Med, Hosp 1, Shenyang, Peoples R China
基金
中国国家自然科学基金;
关键词
COVID-19; idiopathic pulmonary fibrosis; gene signature; prognosis; GEO; HEPATOCYTE GROWTH-FACTOR; C-MET; EXPRESSION; SURVIVAL; MARKER;
D O I
10.3389/fphar.2022.981604
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Background: Increasing evidence has demonstrated that there was a strong correlation between COVID-19 and idiopathic pulmonary fibrosis (IPF). However, the studies are limited, and the real biological mechanisms behind the IPF progression were still uncleared. Methods: GSE70866 and GSE 157103 datasets were downloaded. The weight gene co-expression network analysis (WGCNA) algorithms were conducted to identify the most correlated gene module with COVID-19. Then the genes were extracted to construct a risk signature in IPF patients by performing Univariate and Lasso Cox Regression analysis. Univariate and Multivariate Cox Regression analyses were used to identify the independent value for predicting the prognosis of IPF patients. What's more, the Kyoto Encyclopedia of Genes and Genomes (KEGG), Gene Ontology (GO), and gene set enrichment analysis (GSEA) were conducted to unveil the potential biological pathways. CIBERSORT algorithms were performed to calculate the correlation between the risk score and immune cells infiltrating levels. Results: Two hundred thirty three differentially expressed genes were calculated as the hub genes in COVID-19. Fourteen of these genes were identified as the prognostic differentially expressed genes in IPF. Three (MET, UCHL1, and IGF1) of the fourteen genes were chosen to construct the risk signature. The risk signature can greatly predict the prognosis of high-risk and low-risk groups based on the calculated risk score. The functional pathway enrichment analysis and immune infiltrating analysis showed that the risk signature may regulate the immune-related pathways and immune cells. Conclusion: We identified prognostic differentially expressed hub genes related to COVID-19 in IPF. A risk signature was constructed based on those genes and showed great value for predicting the prognosis in IPF patients. What's more, three genes in the risk signature may be clinically valuable as potential targets for treating IPF patients and IPF patients with COVID-19.
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页数:14
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