CANCER 1 (IMAGE) Rice University Caption An image of endometrial cancer tissues shows cell nuclei (blue), an epithelial marker protein called E-cadherin (green) and MUC16 glycoproteins (red) that are suspected of protecting tumors. Rice University researchers discovered that a drug used now to treat Type 2 diabetes might help battle breast and ovarian cancers by manipulating the interactions that overexpress the protective mucus that tumors use to defend against chemotherapy and the body's immune system. Credit Carson Lab/Rice University 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.