Figure 1. circANNAK1 is down-regulated and associated with malignant progression and poor prognosis of TNBC. (A) Expression of circAHNAK1 in breast cancer cell lines. (B) Expression of circAHNAK1 in breast cancer tissues and normal adjacent tissues. (C, D)The effect of circAHNAK1 expression on OS and DFS in patients with TNBC. *** P <0.001.