Hiroshi Y. Yamada, University of Oklahoma (IMAGE) University of Oklahoma Caption Hiroshi Y. Yamada, Ph.D. and a team of researchers with the Stephenson Cancer Center at the University of Oklahoma uncover new targets that may help prevent and treat colon cancer. Credit University of Oklahoma 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.