A new target for miR-7, found in our study, associated cdc42 kinase 1 (Ack1) is a non-receptor protein tyrosine kinase [39], and the gene encoding Ack1 has been recently shown to be amplified in breast, esophageal, lung, ovarian, pancreatic, and prostate cancer [40]. The gene discussed is TNK2; the disease is prostate cancer.