GOLPH3 and neoplasm: It is commonly accepted that tumor formation involves the misregulation of numerous oncogenes, tumor suppressor genes and metastasis-related genes Golgi phosphoprotein 3 (GOLPH3), which is also known as GPP34, GMx33, or MIDAS, is a 34-kD membrane protein that was initially identified in the mouse Golgi apparatus by proteomic analysis [3].