Degron system inhibits mouse tumor growth (IMAGE) Kyoto University Caption New cancer therapy model in which endogenous PD-1 in mice can be degraded for only a necessary period of time Credit KyotoU Global Comms/Chie Naruse Usage Restrictions none License Original 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.