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Epigenetic modulators in triple-negative breast cancer: epigenetic modifications and future treatment perspectives
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DOI：10.1080/17501911.2026.2698002.png)
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Abstract
En 中文
Triple Negative Breast Cancer (TNBC), an aggressive type of Breast Cancer (BC) characterized by the loss of expression of Estrogen Receptor (ER), Progesterone Receptor (PR), and Human Epidermal growth factor Receptor 2 (HER2) protein. TNBC is quite heterogenous in nature with limited available therapeutic options due to the lack of defined molecular targets. Epigenetic abnormalities have been implicated in the onset, progression, immune escape, and resistance to treatment in TNBC. Important epigenetic modulations, include DNA methylation, histone lactylation, histone modifications, and chromatin remodeling. Global hypomethylation contributes to genomic instability, while promoter hypermethylation inhibits tumor suppressor genes, by dysregulating their expression, thereby promoting uncontrolled proliferation, EMT, metastasis, and immune evasion in TNBC. Targeting epigenetic modulators, have the potential to develop novel therapeutic interventions have been developed and being explored. These epidrugs have proven to be effective in preclinical and clinical trials when used in combination with chemotherapy, immunotherapy, or targeted therapy, reducing drug resistance and aberrant proliferation. Despite of the advancements, challenges like target specificity, precise biomarkers and treatment related toxicity are the major hurdles. The review comprehensively summarized the important epigenetic alterations as well as novel treatment strategies with potential clinical applications in TNBC.
Keywords:
TNBC
epigenetic alterations
histone modifications
therapeutic interventions
epidrugs
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