The c-myc proto-oncogene is involved in the progression of a wide range of human tumors. 1, 2, 3, 4 and 5 Proteins in the immediate Myc network are essential regulators of differentiation and proliferation. Oncogenic transformation occurs mainly through elevated expression of its gene product Myc, a short-lived nuclear protein and an important member of the basic helix–loop–helix leucine zipper (bHLHLZ) transcription factors (Fig. 1). 6 The oncogenic ...