期刊
CANCER BIOLOGY & MEDICINE
卷 19, 期 1, 页码 14-29出版社
CHINA ANTI-CANCER ASSOC
DOI: 10.20892/j.issn.2095-3941.2020.0485
关键词
Breast cancer; circular RNAs; carcinogenesis; tumor biomarker; targeted therapy
资金
- National Natural Science Foundation of China [81772961]
circRNAs, a type of noncoding RNA, are dysregulated in cancer and play key roles in tumorigenesis, diagnosis, and tumor therapy. They may serve as novel biomarkers for cancer diagnosis and therapeutic targets in cancers like breast cancer.
Circular RNAs (circRNAs) are noncoding RNAs that form covalently closed loop structures. CircRNAs are dysregulated in cancer and play key roles in tumorigenesis, diagnosis, and tumor therapy. CircRNAs function as competing endogenous RNAs or microRNA sponges that regulate transcription and splicing, binding to proteins, and translation. CircRNAs may serve as novel biomarkers for cancer diagnosis, and they show potential as therapeutic targets in cancers including breast cancer (BC). In women, BC is the most common malignant tumor worldwide and the second leading cause of cancer death. Although evidence indicates that circRNAs play a critical role in BC, the mechanisms regulating the function of circRNAs in BC remain poorly understood. Here, we provide literature review aiming to clarify the role of circRNAs in BC and summarize the latest research. We provide a systematic overview of the biogenesis and biological functions of circRNAs, elaborate on the functional roles of circRNAs in BC, and highlight the value of circRNAs as diagnostic and therapeutic targets in BC.
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