ICA 512, Receptor-type tyrosine-protein phosphatase-like N, R-PTP-N, Islet cell antigen 512, ICA 512, Islet cell autoantigen 3, PTPIA-2, PTPRN, ICA3, ICA512, endocrine, neuroendocrine, neurosecretory granule, biogenesis, trafficking, regulated exocytosis, neuroendocrine function, syntrophin beta 2, Distrophin, calpain I, Distrophin, insulin stimulation, brain, pituitary, gut, pancreas, diabetes-specific islet autoantigen biomarker, diabetes patient, transmembrane, reactive oxygen species, ROS, neuroendocrine, secretory granule