ArticleEuropean archives of psychiatry and clinical neuroscience2026
Machine learning-based integration identifies a 10-gene predictive signature and its classification patterns in schizophrenia.
Article in European archives of psychiatry and clinical neuroscience, 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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Abstract
backgroundSchizophrenia (SCZ) is a highly heritability psychological disorder, however the exact etiology remains unclear, and lack of the reliable and effective biomarkers for diagnosis and treatments in the management of SCZ, thus exploring the novel biomarkers in SCZ may enhance the efficacy of its predictive, preventive, and personalized medicine (PPPM/3PM) approach.
methodsBased on differentially expressed genes (DEGs) and weighted gene co-expression network (WGCNA) analyses from five brain datasets, we screened SCZ-key genes and then developed a novel machine learning (ML) framework that incorporated 12 MLs and their 84 combinations to construct a consensus diagnostic signature. Meanwhile, we constructed the nomogram with aforementioned signatures to provide a quantitative clinical practice tool for predicting SCZ. Subsequently, we performed the consensus clustering and nonnegative matrix factorization (NMF) algorithms for clustering analysis in SCZ patients. On this basis, the regulation factors of diagnostic signature, enrichment patterns and immune infiltration analysis in SCZ, and protein level among SCZ subtypes were evaluated.
resultsWe identified 53 SCZ-key genes by intersecting DEGs and module genes of WGCNA, then developed a consensus diagnostic signature using a 84-combination ML framework, and established a nomogram diagnosis model with aforementioned signature for clinical practice, demonstrating promising discriminative performance and potential clinical utility benefits in predicting SCZ. Moreover, consensus clustering analysis could divide SCZ patients into two distinct clusters, and two subgroups were distinguished using NMF algorithm with DEGs of two clusters. Furthermore, we observed distinct biological functions, immune cells and protein functions between subtypes. Finally, hub genes of subgroups, which were closely associated with SCZ.
conclusionOur study constructed a novel diagnostic signature and a nomogram, which all achieved higher accuracy and maybe as the potential diagnostic tools for SCZ. Meanwhile, SCZ subtypes showed distinct inflammation, immune and metabolic patterns, incorporating the subtypes into the 3PM framework will provide a unique opportunity for clinical intelligence and new management approaches.
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