The Impact of Myc (IMAGE) University of Würzburg Caption As its concentration increases, the protein Myc activates an increasing number of genes in cells. Beyond a certain level, this causes the cell to transform into a tumor cell. Credit Graphic: Elmar Wolf Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.