PTEN in a Cell (IMAGE) Cold Spring Harbor Laboratory Caption This image in ordinary resolution shows PTEN proteins (tiny white dots) suffused throughout a cell. New research explains how they are attracted to specific growth signals inside the cell that they must turn off if a cell is not to become cancerous. Credit Trotman lab, CSHL Usage Restrictions please give credit 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.