Simulating the Secretion of Insulin (video) Syracuse University Share Print E-Mail Loading video... Caption Syracuse University chemist Robert Doyle has invented a compound called B12-Exendin-4, which triggers the secretion of insulin without harmful side effects. These 3-D renderings show the drug (yellow) stimulating the secretion of insulin (red) in the nucleus of a pancreatic islet cell (blue). Notice how the red and yellow sections overlap another. Credit Diabetes, Obesity and Metabolism (John Wiley & Sons, 2018) Usage Restrictions None Share Print E-Mail 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.