CCN1 and breast cancer: In addition CYR61 expression is upregulated in mesenchymal transformed breast cancer cells (Figure 1A; MCF-7-EMT: 2.18 ± 0.2 SEM relative expression compared to MCF-7; n = 5; T47D-EMT: 3.04 ± 0.62 SEM relative expression compared to T47D) and in TNBC cells (Figure 1A; MDA-MB-231: 68.67±11.27 SEM relative expression compared to MCF-7; n = 4; HCC1806: 1.3 ± 0.09 SEM relative expression compared to MCF-7; n = 3).