References
- Woolston C. Breast cancer. Nature. 2015;527(7578):S101.
- Harbeck N, Gnant M. Breast cancer. Breast Cancer. Lancet. 2017;389(10074):1134–1150.
- Sung H, Ferlay J, Siegel RL, et al. Global cancer statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2021;68(6):394–424.
- Xie HY, Shao ZM, Li DQ. Tumor microenvironment: driving forces and potential therapeutic targets for breast cancer metastasis. Chin J Cancer. 2017;36(1):36.
- Yang L, Lin PC. Mechanisms that drive inflammatory tumor microenvironment, tumor heterogeneity, and metastatic progression. Semin Cancer Biol. 2017;47:185–195.
- Li X, Yang L, Chen LL. The biogenesis, functions, and challenges of circular RNAs. Mol Cell. 2018;71(3):428–442.
- Wang PL, Bao Y, Yee MC, et al. Circular RNA is expressed across the eukaryotic tree of life. PLoS One. 2014;9(6):e90859.
- Rybak-Wolf A, Stottmeister C, Glazar P, et al. Circular RNAs in the mammalian brain are highly abundant, conserved, and dynamically expressed. Mol Cell. 2015;58(5):870–885.
- Wu J, Qi X, Liu L, et al. Emerging epigenetic regulation of circular RNAs in human cancer. Mol Ther Nucleic Acids. 2019;16:589–596.
- Su M, Xiao Y, Ma J, et al. Circular RNAs in cancer: emerging functions in hallmarks, stemness, resistance and roles as potential biomarkers. Mol Cancer. 2019;18(1):90.
- Visci G, Tolomeo D, Agostini A, et al. CircRNAs and fusion-circRNAs in cancer: new players in an old game. Cell Signal. 2020;75:109747.
- Chen Z, Ren R, Wan D, et al. Hsa_circ_101555 functions as a competing endogenous RNA of miR-597-5p to promote colorectal cancer progression. Oncogene. 2019;38(32):6017–6034.
- Fan Z, Bai Y, Zhang Q, et al. CircRNA circ_POLA2 promotes lung cancer cell stemness via regulating the miR-326/GNB1 axis. Environ Toxicol. 2020;35(10):1146–1156.
- Wang S, Li Q, Wang Y, et al. Upregulation of circ-UBAP2 predicts poor prognosis and promotes triple-negative breast cancer progression through the miR-661/MTA1 pathway. Biochem Biophys Res Commun. 2018;505(4):996–1002.
- Kristensen LS, Hansen TB, Veno MT, et al. Circular RNAs in cancer: opportunities and challenges in the field. Oncogene. 2018;37(5):555–565.
- Li Z, Chen Z, Hu G, et al. Roles of circular RNA in breast cancer: present and future. Am J Transl Res. 2019;11(7):3945–3954.
- Wang S, Xue X, Wang R, et al. CircZNF609 promotes breast cancer cell growth, migration, and invasion by elevating p70S6K1 via sponging miR-145-5p. CMAR. 2018;10:3881–3890.
- Wang ST, Liu LB, Li XM, et al. Circ-ITCH regulates triple-negative breast cancer progression through the Wnt/beta-catenin pathway. Neoplasma. 2019;66(2):232–239.
- Li HM, Ma XL, Li HG. Intriguing circles: conflicts and controversies in circular RNA research. Wiley Interdiscip Rev RNA. 2019;10:e1538.
- Kristensen LS, Andersen MS, Stagsted L, et al. The biogenesis, biology and characterization of circular RNAs. Nat Rev Genet. 2019;20(11):675–691.
- Thomson DW, Dinger ME. Endogenous microRNA sponges: evidence and controversy. Nat Rev Genet. 2016;17(5):272–283.
- Tay Y, Rinn J, Pandolfi PP. The multilayered complexity of ceRNA crosstalk and competition. Nature. 2014;505(7483):344–352.
- Zhong Y, Du Y, Yang X, et al. Circular RNAs function as ceRNAs to regulate and control human cancer progression. Mol Cancer. 2018;17(1):79.
- Walsh MC, Lee J, Choi Y. Tumor necrosis factor receptor- associated factor 6 (TRAF6) regulation of development, function, and homeostasis of the immune system. Immunol Rev. 2015;266(1):72–92.
- Dolcet X, Llobet D, Pallares J, et al. NF-kB in development and progression of human cancer. Virchows Arch. 2005;446(5):475–482.
- Lim B, Woodward WA, Wang X, et al. Inflammatory breast cancer biology: the tumour microenvironment is key. Nat Rev Cancer. 2018;18(8):485–499.
- Zhou J, Zhou LY, Tang X, et al. Circ-Foxo3 is positively associated with the Foxo3 gene and leads to better prognosis of acute myeloid leukemia patients. Bmc Cancer. 2019;19(1):930.
- Shen Z, Zhou L, Zhang C, et al. Reduction of circular RNA Foxo3 promotes prostate cancer progression and chemoresistance to docetaxel. Cancer Lett. 2020;468:88–101.
- Zhang S, Liao K, Miao Z, et al. CircFOXO3 promotes glioblastoma progression by acting as a competing endogenous RNA for NFAT5. Neuro Oncol. 2019;21(10):1284–1296.
- Huang W, Huang F, Feng C. CircFoxo3 promotes Adriamycin resistance through regulation of miR-199a-5p/ATP binding cassette subfamily C member 1 axis in hepatocellular carcinoma. Onco Targets Ther. 2020;13:5113–5122.