Institution: | a Center for Advanced Research in Biotechnology, University of Maryland Biotechnology Institute, Rockville, MD 20850, USA b Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA c Massachusetts General Hospital Cancer Center and Department of Cell Biology, Harvard Medical School, Charlestown, MA 02129, USA d National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA |