ZIP4 (gene name SLC39A4, a zinc transporter) plays tumor promoting roles in many cancer types, including pancreatic cancer, hepatocellular carcinoma, breast cancer, and glioma [15,16,17,18,19,20,21,22,23,24,25,26,27,28,29]. This evidence concerns the gene SLC39A4 and familial pancreatic carcinoma.