Beta Cells (IMAGE) University of Wisconsin-Madison Caption Cells in the pancreas of a gene-edited mouse produce nearly equal amounts of the hormones insulin (green) and glucagon (red). In mice that develop Type 1 diabetes, green would predominate, and insulin production would draw the deadly attention of a disordered immune system. Credit Courtesy of Hugo Lee Usage Restrictions None 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.