Abstract
Cell death is a necessary event in life and is crucial for the regulation of organismal development, homeostasis, aging and pathological conditions. There are different modes of cell death, i.e., regulated and nonregulated. Cell death induced by programmed cell death (PCD) has gained increasing attention in recent years. Abnormal control of PCD plays an important role in tumorigenesis. For example, tumor cells are relatively resistant to apoptosis, and the induction of cell death is also an important mechanism underlying the antitumor effects of current clinical chemotherapeutic agents. Recently, studies have revealed that noncoding RNAs (ncRNAs) are involved in regulating multiple biological processes of breast cancer, including PCD. NcRNAs can exert both protumorigenic and antitumorigenic effects, depending on their expression patterns. Therefore, constructing ncRNA-based therapies to target PCD may be a promising therapeutic strategy for breast cancer. Herein, this review discusses the function of various ncRNAs in regulating the PCD of breast cancer cells. In addition, given the recent trend of utilizing ncRNAs as cancer therapeutics, we also discuss the great potential applications of ncRNAs as biomarkers or activators of PCD in breast cancer.
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