4.5 Review

Circular RNAs as novel biomarkers in triple-negative breast cancer: a systematic review

Journal

MOLECULAR BIOLOGY REPORTS
Volume 49, Issue 10, Pages 9825-9840

Publisher

SPRINGER
DOI: 10.1007/s11033-022-07502-1

Keywords

Circular RNA; CircRNA; Triple-negative breast cancer; TNBC

Funding

  1. Evidence-based Medical Research Center, Tabriz University of medical science [68120]

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Effective prognostic and diagnostic tools are urgently needed for the detection and treatment of triple-negative breast cancer. Circular RNAs have been discovered as potential biomarkers for TNBC, and they can modulate gene expression. This review summarizes the dysregulated expression of circRNAs and their diagnostic and prognostic values in TNBC.
More effective prognostic and diagnostic tools are urgently required for early detecting and treating triple-negative breast cancer, which is the most acute type of breast cancer because of its lower survival rate, aggressiveness, and non-response to various common treatments. So, it remains the most harmful malignancy for women worldwide. Recently, circular RNAs, as a group of non-coding RNAs, with covalently closed loop and high stability have been discovered, which can modulate gene expression through competing with endogenous microRNA sponges. This finding provided further insight into novel approaches for controlling genes affected in many disorders and malignancies. This review concentrates on the dysregulated expression of circRNAs like their diagnostic and prognostic values in TNBC. This review aims to focus on the abnormal expression of circRNAs and their diagnostic and prognostic values in TNBC. We used PubMed, Embase, and Web of Science databases and ClinicalTrials.gov to systematically search for all relevant clinical studies. This review is based on articles published in databases up to April 2022 with the following keywords: Circular RNA, CircRNA, Triple-Negative Breast Cancer and TNBC. We conducted a review of published CircRNA profiled-research articles to identify candidate CircRNA biomarkers for TNBC. The review is registered on JBI at https://jbi.global/systematic-review-register. Accumulating evidence has shown that several circRNAs are downregulated and some are upregulated in TNBC. The results of these studies confirm that circRNAs might be potential biomarkers with the diagnostic, prognostic, and therapeutic target value for TNBC. We also consider the connection between circRNAs and TNBC cell proliferation, apoptosis, metastasis, and chemotherapy resistance and sensitivity.

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