Notably, miR-193b functions as a tumor suppressor in melanoma, pancreatic cancer, breast cancer, and prostate cancer by suppressing targets including uPA, Mcl1, and cyclin D1 (Li et al., 2009; Chen et al., 2010, 2011; Rauhala et al., 2010; Jian et al., 2014; Kaukoniemi et al., 2015). This evidence concerns the gene CCND1 and breast cancer.