Evidence map›Paper›PMID 42430416›Full record

ArticlePloS one2026

Bioinformatics analysis reveals the association of bile acid metabolism-related genes with sepsis.

Juan Xie, Yu Ling, Yunyu Sun, Yun Yao, Mingshun Zhang, Xiaoyu Zhou

Abstract read
In one paragraph

Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Juan XieDepartment of Immunology, Nanjing Medical University, Nanjing, China.
Yu LingClinical Laboratory, Women's Hospital of Nanjing Medical University, Nanjing Women and Children's Healthcare Hospital, Nanjing, China.
Yunyu SunDepartment of Transfusion, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
Yun YaoDepartment of Immunology, Nanjing Medical University, Nanjing, China.
Mingshun ZhangDepartment of Immunology, Nanjing Medical University, Nanjing, China.ORCID https://orcid.org/0000-0001-5925-0168
Xiaoyu ZhouDepartment of Transfusion, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.ORCID https://orcid.org/0009-0000-2468-2243

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSepsis, is a life-threatening syndrome triggered by infection. Bile acid metabolism may be involved in the pathogenesis of sepsis, the underlying association has not yet been elucidated. Thus, we aimed to screen for bile acid metabolism-related biomarkers of sepsis and discover the potential association.

methodsSepsis-related datasets were downloaded from the Gene Expression Omnibus (GEO) database. We identified differentially expressed genes (DEGs) and bile acid metabolism-related differentially expressed genes (BAMRDEGs), then identified hub genes using protein-protein interaction (PPI) network analysis and CytoHubba algorithm. After GO/KEGG enrichment analysis, a sepsis risk prediction model based on key genes was subsequently constructed using support vector machine recursive feature elimination (SVM-RFE) machine learning and least absolute shrinkage and selection operator (LASSO) regression. CIBERSORTx analysis was performed to assess immune cell infiltration and its association with key genes. Finally, the transcriptional levels of key genes in sepsis samples were detected by Quantitative Real-time PCR (qRT-PCR).

results9785 DEGs were identified, including 5138 upregulated and 4647 downregulated genes. Additionally, 25 hub genes were identified. Gene enrichment analysis indicated that the hub genes participate in multiple biological pathways. Key genes (ABCC2, PECR, EPHX2, PEX2, and AGXT) exert central roles in the development of sepsis, indicating the involvement of bile acid metabolism. Significant correlations existed between the expression of key BAMRDEGs and the levels of different immune cell types. qRT-PCR suggested significant up-regulation on ABCC2 and AGXT in sepsis samples versus controls.

conclusionThis study revealed novel insights into the correlation between sepsis and bile acid metabolism, and identified 5 key genes involved in the development of sepsis, providing molecular targets and novel strategies for the diagnosis and treatment of sepsis.

Indexed as

Bile Acids and SaltsComputational BiologySepsisGene Expression ProfilingGene Expression RegulationGene Regulatory NetworksHumansMultidrug Resistance-Associated Protein 2Protein Interaction MapsBile Acids and SaltsMultidrug Resistance-Associated Protein 2

Identifiers

PMID42430416
PMCPMC13354078

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