Organoid of a patient with colon cancer (IMAGE) Netherlands Cancer Institute Caption Organoid of a patient with colon cancer, treated (right) and not treated with the chemotherapy etoposide. The treatment causes DNA damage and a reduction in protein synthesis. This triggers a stress signal that causes the cells to die. Orange: marker for DNA damage. Green: marker for protein synthesis. Credit @Netherlands Cancer Institute Usage Restrictions credit 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.