CBLN1 and breast cancer: For instance, Yang et al. corroborated that circAGFG1 is elevated and its expression is interrelated to the clinical stage and poor prognosis of triple-negative breast cancer patients [6]; Qu et al. demonstrated that silencing circRNA-CER in breast cancer cells restrains cell proliferation and migration, hinting that circRNA-CER might be an underlying biomarker for breast cancer prediction [7].