(IMAGE) Goethe University Frankfurt Caption The thalidomide derivatives C5, C6 and C7 alter CRBN – the “labeling machine” – so that it can bind to BCL-2. In this way, the BCL-2 molecule is marked for degradation – a possible new strategy against cancer. Credit Dr. Xinlai Cheng, Goethe University Frankfurt Usage Restrictions To be used only when reporting on Goethe University Frankfurt. Indicate copyright: Dr. Xinlai Cheng, Goethe University Frankfurt 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.