ArticleDiscover oncology2026
Integrative multi-omics analysis identifies PAICS as a key regulator of epithelial-mesenchymal transition in breast cancer metastasis.
Article in Discover oncology, 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
backgroundBreast cancer metastasis remains a major clinical challenge due to its complex molecular mechanisms, highlighting the need to identify key regulatory factors.
methodsMultiple breast cancer metastasis datasets were integrated to comprehensively identify metastasis-related genes. Differential expression analysis, weighted gene co-expression network analysis (WGCNA), and five machine learning algorithms were employed to screen for key candidate genes. Immune cell infiltration was assessed using the CIBERSORT algorithm, and miRNA expression profiles associated with lymph node metastasis were analyzed to construct potential regulatory networks. The biological functions of target genes were further verified through in vitro functional experiments.
resultsPAICS was identified as a metastasis-associated gene and was associated with patient survival in TCGA-BRCA. Its expression correlated with the infiltration of multiple immune cell subsets. Four metastasis-related miRNAs were involved in potential regulatory networks. Functional assays demonstrated that PAICS knockdown suppressed migration and invasion while increasing E-cadherin and decreasing N-cadherin and Vimentin expression.
conclusionsPAICS acts as a biomarker that promotes breast cancer metastasis by modulating epithelial-mesenchymal transition and the immune microenvironment, offering potential for clinical translation.
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