Meanwhile, we used the specific probe of circ-ERBB2 for RNA pull-down assay to verify the miRNAs (miR-136-5p, miR-564, miR-198, miR-892b, miR-890 and miR-377-3p) that have been reported in breast cancer and might be regulated by circ-ERBB2. This evidence concerns the gene ERBB2 and breast cancer.