CCNB1 and breast cancer: The has_circ_0001610 was also found to play a pro-cancer role through different ceRNA networks in a variety of tumors, for example, hsa_circ_0001610/miR-139-5p/SLC7A11 can inhibit ferroptosis in breast cancer cells59; The hsa_circ_0001610/miR-1324/PTK6 axis can accelerate the malignant progression of prostate cancer60; The hsa_circ_0001610/miR-139-5p/ Cyclin B1 axis can attenuate the radiosensitivity of endometrial cancer61.