LTRI Image (IMAGE) Lunenfeld-Tanenbaum Research Institute Caption Lunenfeld-Tanenbaum Research Institute scientists Joel Pearson, left, and Rod Bremner, right, divided all cancers into two groups, based on the presence or absence of a protein called the Yes-associated protein, or YAP. Credit Sinai Health 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.