Crosstalk Between Cells in Diabetes (image) University of California - Davis Share Print E-Mail Caption Sugar levels are managed by interactions between cells of the Islets of Langerhans in the pancreas. The hormone urocortin (green) is produced and stored in the same cells as insulin in the islets. Cells that make glucagon, which works to raise blood sugar, are stained red. Credit Mark Huising, UC Davis Usage Restrictions May be used with acknowledgement of the source. 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.