Identification of immune-related gene signatures for chronic obstructive pulmonary disease with metabolic syndrome: evidence from integrated bulk and single-cell RNA sequencing data

被引:0
作者
Wu, Yueren [1 ,2 ]
Ma, Mengyu [1 ,2 ]
Choi, Wenglam [1 ,2 ]
Xu, Weifang [3 ]
Dong, Jingcheng [1 ,2 ]
机构
[1] Fudan Univ, Huashan Hosp, Dept Integrat Med, Shanghai, Peoples R China
[2] Fudan Univ, Inst Integrat Med, Shanghai, Peoples R China
[3] Guangzhou Univ Chinese Med Futian, Shenzhen Hosp, Shenzhen, Peoples R China
关键词
alveolar macrophages; bioinformatics analysis; immune infiltration; machine-learning algorithms; reactive oxygen species; OXIDATIVE STRESS; COLORECTAL-CANCER; IMPACT; COPD; PATHOPHYSIOLOGY; PATHOGENESIS; EXPRESSION; DISORDERS; ZNF331;
D O I
10.1093/intimm/dxad043
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Chronic obstructive pulmonary disease (COPD) is closely related to innate and adaptive inflammatory immune responses. It is increasingly becoming evident that metabolic syndrome (MetS) affects a significant portion of COPD patients. Through this investigation, we identify shared immune-related candidate biological markers. The Weighted Gene Co-Expression Network Analysis (WGCNA) was utilized to reveal the co-expression modules linked to COPD and MetS. The commonly expressed genes in the COPD and MetS were utilized to conduct an enrichment analysis. We adopted machine-learning to screen and validate hub genes. We also assessed the relationship between hub genes and immune cell infiltration in COPD and MetS, respectively. Moreover, associations across hub genes and metabolic pathways were also explored. Finally, we chose a single-cell RNA sequencing (scRNA-seq) dataset to investigate the hub genes and shared mechanisms at the level of the cells. We also applied cell trajectory analysis and cell-cell communication analysis to focus on the vital immune cell we were interested in. As a result, we selected and validated 13 shared hub genes for COPD and MetS. The enrichment analysis and immune infiltration analysis illustrated strong associations between hub genes and immunology. Additionally, we applied metabolic pathway enrichment analysis, indicating the significant role of reactive oxygen species (ROS) in COPD with MetS. Through scRNA-seq analysis, we found that ROS might accumulate the most in the alveolar macrophages. In conclusion, the 13 hub genes related to the immune response and metabolism may serve as diagnostic biomarkers and treatment targets of COPD with MetS. Graphical Abstract
引用
收藏
页码:17 / 32
页数:16
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