1 Diabetes Center of Excellence, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01655; Math and Science Division, Babson College, Wellesley, MA 01457, USA.
2 Diabetes Center of Excellence, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01655.
3 Diabetes Center of Excellence, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01655. Electronic address: [email protected].
Two studies clearly demonstrate that pancreatic islets and, more specifically, their cellular constituents, display a much greater complexity than previously appreciated.