ArticleAsian Pacific journal of cancer prevention : APJCP2025
Mitochondrial Epigenetic Alterations Induced by Biomass Smoke Exposure and Their Role in Age-Related Breast Cancer Risk: A Machine Learning-Based Predictive Study.
Article in Asian Pacific journal of cancer prevention : APJCP, 2025. 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
objectiveTo investigate the relationship between age, mitochondrial epigenetics, and BC risk among women exposed to biomass smoke, and the development of a predictive model for BC detection.
methodsA cross-sectional study was conducted among a total of 205 women exposed to biomass smoke and were divided into two age groups (18-25 and >25 years). mtDNA methylation, inflammatory cytokines (IL-6, TNF-α, IL-10), and carcinoembryonic antigen (CEA) levels were assessed. Machine learning models were developed using clinical and molecular data to predict BC risk.
resultsProlonged HAP exposure was assoc to increased mitochondrial dysfunction, particularly in older women. mtDNA methylation changes were significantly correlated with elevated CEA levels, signifies a role in BC risk. Multivariate analysis revealed strong positive correlations between age and inflammatory cytokines: IL-6 (R = 0.95, p < 0.001), TNF-α (R = 0.99, p < 0.000), and IL-10 (R = 0.88, p < 0.005), indicating heightened inflammation with age. Logistic Regression outperform predictive performance with accuracy: 90.18% and AUC: 1.00.
conclusionAge and mitochondrial epigenetic changes such as mtDNA methylation and inflammatory cytokine levels are strongly linked to BC risk in women exposed to biomass smoke. These results highlight the role of mitochondrial epigenetics in BC and the potential of AI-based tools for early detection in high-risk populations. However, the study's cross-sectional design limits causal inference, emphasizing the need for longitudinal studies to clarify timing and causality.
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