Image of a mouse pancreatic islet (IMAGE) Center for Genomic Regulation Caption Image of a mouse pancreatic islet, regions in the pancreas that contain beta cells which secret insulin. The HASTER regulatory element has been knocked out in this mouse, resulting in changes to beta cell function that cause diabetes. Credit Miguel A Garriga/CRG Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.