{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T19:31:03Z","timestamp":1789068663574,"version":"build-2803163510"},"reference-count":50,"publisher":"Public Library of Science (PLoS)","issue":"6","license":[{"start":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T00:00:00Z","timestamp":1750118400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS One"],"abstract":"<jats:sec id=\"sec026\">\n<jats:title>Background<\/jats:title>\n<jats:p>Heart failure (HF) is characterized by complex molecular alterations, and recent studies suggest a potential role for sepsis-related genes in cardiovascular dysfunction. This study aimed to develop a predictive model for HF based on sepsis-related gene signatures.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec027\">\n<jats:title>Methods<\/jats:title>\n<jats:p>Three sepsis-related datasets (GSE65682, GSE54514, and GSE95233) were analyzed to identify differentially expressed genes (DEGs) following batch effect correction using the ComBat algorithm. With the use of elastic net regularization and the glmnet package in R, Lasso Cox regression was employed to screen out gene signatures. A predictive model was developed based on the expression of each gene signature and the co-efficient values. In addition, the predictive model was validated on independent HF datasets (GSE57345, GSE141910, and GSE5406). Model performance was assessed through receiver operating characteristic (ROC) analysis and AUC values of each gene signature, and immune infiltration was evaluated using CIBERSORT, IPS, and xCell. Sepsis models of C57BL\/6 mice were established by cecal ligation and puncture (CLP).<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec028\">\n<jats:title>Results<\/jats:title>\n<jats:p>We identified 340 up-regulated and 333 down-regulated sepsis-related genes. The predictive model, incorporating six key genes, demonstrated superior performance compared to individual genes across both training and validation datasets with the AUC value of the risk score above 0.9, significantly higher than that of a single gene. Immune infiltration profiles differed significantly between HF patients and controls, with more pronounced alterations observed at higher risk score levels. Finally, the expression of six key genes in sepsis models was confirmed to be consistent with our prediction.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec029\">\n<jats:title>Conclusion<\/jats:title>\n<jats:p>The model constructed through sepsis-related characteristic genes provides a highly advantageous method for predicting HF, and the characteristic genes we have screened may be potential biomarkers for predicting HF. This model has potential application value in early diagnosis and risk stratification, which can help improve the clinical management of heart failure and provide new ideas for preventing HF.<\/jats:p>\n<\/jats:sec>","DOI":"10.1371\/journal.pone.0326212","type":"journal-article","created":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T17:31:40Z","timestamp":1750181500000},"page":"e0326212","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":5,"title":["Integrated multi-omics analysis and predictive modeling of heart failure using sepsis-related gene 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