Stem Cells (IMAGE) University of California - San Diego Caption These are stem cells differentiating into pancreatic cells. Cells are made visible by blue dye and red marker. Transcription factor shows in green. Credit UC San Diego School of Medicine Usage Restrictions Use photo credit as indicated. 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.