Cancer Cells React to Immunotherapy (IMAGE) Rice University Caption These images show how cancer cells responded after three days of the timed release of immunotherapy drugs from Rice University's STINGel. Doses of the CDN immunotherapy drug increase from top to bottom; live green cells give way to dead red cells as the dosage increases. Scale bars are 50 microns. Credit Hartgerink Research Group/Rice University Usage Restrictions For news reporting purposes only. 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.