ArticleDiscover oncology2025
Impact of diabetes and metformin on cuproptosis and ferroptosis in breast cancer patients: an immunohistochemical analysis.
Article in Discover oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Cervical cancer molecular subtype identification and prognosis classification by a metabolism-related gene expression.Translational cancer research · 2025Article
- Metformin Beyond Diabetes: A Precision Gerotherapeutic and Immunometabolic Adjuvant for Aging and Cancer.Cancers · 2025Review
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Authors and funding
10 authors.
Funding
Abstract
objectivesBreast cancer patients with diabetes are often associated with poor prognosis. This study aims to investigate the role of metformin in ferroptosis and cuproptosis in diabetic breast cancer patients and explore its potential impact on clinical outcomes.
methodsWe retrospectively analyzed tissue samples from 16 breast cancer patients, including 5 non-diabetic and 11 diabetic patients (6 treated with metformin). Immunohistochemistry (IHC) staining was performed for cuproptosis (FDX1, DLAT), ferroptosis (ACSL4, GPX4), and glycolysis markers (LDHA, PKM2). Statistical analysis used quantitative results from immunohistochemistry.
resultsPatients treated with metformin showed significantly higher expression of FDX1 and ACSL4, along with a significant decrease in GPX4 compared to other groups. Kaplan-Meier survival analysis revealed that high FDX1 expression was associated with longer survival in breast cancer patients. Correlation analysis showed a positive association between ACSL4 and FDX1 (R = 0.51, P = 0.045), suggesting a relationship between these markers.
conclusionsMetformin may simultaneously enhance both cuproptosis and ferroptosis in breast cancer. FDX1 expression could serve as a prognostic marker for survival, especially in diabetic patients, providing insights into targeting metabolic and cell death pathways in breast cancer therapy.
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