ArticleCurrent medical science2026
Overexpression of TFF3 is Associated with Immune Infiltration, Molecular Subtypes, and Clinical Progression in Breast Cancer.
Article in Current medical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Breast cancer immunogenicity as a spectrum: evolving concepts and therapeutic implications.The Journal of clinical investigation · 2026Review
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10 authors.
Funding
Abstract
objectiveTrefoil factor 3 (TFF3), a secreted protein involved in mucosal protection and tumor progression, has an incompletely defined role in breast cancer (BRCA). This study aimed to comprehensively evaluate TFF3 expression patterns, clinical relevance, and prognostic significance in BRCA.
methodsData from the TCGA, GTEx, TNMplot, and TISCH2 databases were integrated to analyze TFF3 expression and clinical significance. Protein expression in clinical samples was validated via immunohistochemistry (IHC), and survival analysis, immune infiltration assessment, and functional enrichment analyses were performed to explore the biological role of TFF3.
resultsTFF3 was significantly upregulated in BRCA tumor tissues compared with normal tissues (P < 0.001) and was expressed predominantly in malignant cells and tumor-associated macrophages. High TFF3 expression correlated strongly with hormone receptor (estrogen receptor/progesterone receptor) positivity, luminal A/B subtypes, and early-stage disease (P < 0.01) and showed excellent diagnostic performance for distinguishing basal-like from non-basal-like BRCA (AUC = 0.95). TFF3 was an independent protective factor: high expression was associated with improved overall survival (HR = 0.75, P = 0.02) and disease-free survival (P < 0.001), especially in patients receiving hormone therapy (HR = 0.89, P = 0.0002) or chemotherapy (HR = 0.89, P = 0.0002). TFF3 exhibited immunomodulatory properties, correlated positively with M2 macrophages and negatively with cytotoxic immune cells (CD8
conclusionsTFF3 is a robust diagnostic biomarker for BRCA molecular subtyping, an independent prognostic factor, and a potential immunomodulator. These findings highlight its clinical utility for patient stratification and potential as a therapeutic target, particularly in hormone receptor-positive BRCA.
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