The role of long non-coding RNAs in breast cancer drug resistance: a comprehensive review
Yingkun Xu , Jingyu Ma , Changyuan Ding , Weili Liang , Qingdong Zeng , Bin Lv
Journal of Translational Genetics and Genomics ›› 2025, Vol. 9 ›› Issue (4) : 381 -405.
The role of long non-coding RNAs in breast cancer drug resistance: a comprehensive review
Breast cancer (BC) remains a major contributor to cancer-related morbidity and mortality among women globally. While systemic therapies have significantly advanced, the emergence of drug resistance continues to hinder durable clinical benefit, leading to treatment failure and disease relapse. Long non-coding RNAs (lncRNAs) have gained recognition as key regulators in BC biology and therapeutic response, with growing evidence implicating them in resistance to chemotherapy, endocrine therapy, targeted agents, and immunotherapy. This review provides a detailed overview of the molecular mechanisms through which specific lncRNAs promote resistance, emphasizing their roles in modulating processes such as programmed cell death, epithelial-mesenchymal transition, and remodeling of the tumor microenvironment. We further highlight common regulatory axes - such as competing endogenous RNA networks and the phosphatidylinositol 3-kinase/protein kinase B pathway - that serve as converging points across distinct resistance mechanisms. In addition, we discuss recent progress in harnessing lncRNAs as liquid biopsy biomarkers and examine the key challenges and opportunities in translating lncRNA-based targets into therapeutic strategies. Together, these insights offer a foundation for future research aimed at overcoming drug resistance in BC through novel lncRNA-centered interventions.
Breast cancer / long non-coding RNAs / chemotherapy / endocrine therapy / targeted therapy / immunotherapy
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