Circ-ITCH restrains the expression of its parent mRNAs in breast cancer by sponging miR-17 and miR-214 ( Wang et al. 2019), hsa_circ_0001098 controls BARD1 by sponging miR-3942 (Zhao et al. 2018), and hsa_circ_0052112 manages ZNF83 by sponging miR-125a-5p (Zhang et al. 2018). This evidence concerns the gene BARD1 and breast cancer.