Identification of an Immune-Related Gene Diagnostic Model and Potential Drugs in Sepsis Using Bioinformatics and Pharmacogenomics Approaches

被引：2

作者：

Chen, Peng ^{[1
]}

Chen, Juan ^{[2
]}

Ye, Jinghe ^{[1
]}

Yang, Limin ^{[1
]}

机构：

[1] Gen Hosp Northern Theater Command PLA, Dept Urol, 83 Wenhua Rd, Shenyang 110000, Peoples R China

[2] Gen Hosp Northern Theater Command PLA, Dept Oncol, Shenyang, Peoples R China

来源：

INFECTION AND DRUG RESISTANCE | 2023年 / 16卷

关键词：

sepsis; diagnosis; immune infiltration; drug target; WGCNA; TUMOR-INFILTRATING LYMPHOCYTES; CD8(+)CD28(+) T-LYMPHOCYTES; INFECTION; EXPRESSION; IMMUNOSUPPRESSION; DEFINITIONS; FAILURE; PROTEIN; CELLS; CD28;

D O I：

10.2147/IDR.S418176

中图分类号：

R51 [传染病];

学科分类号：

100401 ;

摘要：

Purpose: Sepsis is an organ dysfunction with high mortality. Early identification, diagnosis, and effective treatment of sepsis are beneficial to the survival of patients. This study aimed to find potential diagnosis and immune-related genes, and drug targets, which could provide novel diagnostic and therapeutic markers for sepsis.Patients and Methods: The GSE69063, GSE154918 and GSE28750 datasets were integrated to evaluate immune infiltration and identify differentially expressed genes (DEGs) and immune-related genes. Weighted gene co-expression network analysis (WGCNA) was applied to find the hub module related to immune score and sepsis. Immune-related key genes were screened out by taking interaction of DEGs, immune-related genes, and genes in hub module. Protein-protein interaction (PPI) analysis was used to further screen immune-related hub genes, followed by construction of a diagnostic model based on immune-related hub genes. Functional analysis and drug prediction of immune-related hub genes were, respectively, performed by David software and DGIdb database, followed by expression validation by reverse transcriptase polymerase chain reaction (RT-PCR).Results: Totally, 93 immune-related key genes were identified between 561 DEGs, 1793 immune-related genes and 12,459 genes in the hub module of WGCNA. Through PPI analysis, a total of 5 diagnose and immune-related hub genes were further obtained, including IL7R, IL10, CD40LG, CD28 and LCN2. Relationship pairs between these 5 genes and immune cell were identified, including LCN2/IL7R/CD28-activated dendritic cell and IL10-immature B cell. Based on pharmacogenomics, 17 candidate drugs might interact with IL 10, including CYCLOSPORINE. Six candidate drugs might interact with CD28 and 11 with CD40LG, CD40LG and CD28 were drug targets of ALDESLEUKIN. Four significantly enriched signaling pathways were identified, such as T cell receptor signaling pathway, NF-kappa B signaling pathway and JAK-STAT signaling pathway.Conclusion: The 5-gene diagnostic model could be used to diagnose and guide clinical immunotherapy for sepsis.

引用

页码：5665 / 5680

页数：16

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