Staying Young (image) JDRF Caption With advancing age, insulin-producing beta cells divide infrequently (left). By activating the PDGF pathway, researchers can coax these older beta cells to divide as they did when they were young (right). Credit JDRF Usage Restrictions None 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.