It has been reported that STC1 is associated with a variety of tumors, such as rectal cancer, hepatocellular carcinoma, medullary thyroid carcinoma, acute leukemia, breast cancer, and ovarian cancer (Kanellis et al., 2004; Nguyen et al., 2009; Sheikh-Hamad, 2010). This evidence concerns the gene STC1 and breast carcinoma.