PTEN Travels along Microtubule (IMAGE) Cold Spring Harbor Laboratory Caption This super-resolution image shows clearly the association between PTEN tumor suppressor proteins (colored red) and networks of cellular "highways" called microtubules (colored green). 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.