The ecto-enzyme CD38 is a nicotinic acid adenine dinucleotide phosphate (NAADP) synthase that couples receptor activation to Ca2+ mobilization from lysosomes in pancreatic acinar c... by Cosker, F, Cheviron, N, Yamasaki, M, Menteyne, A, Lund, F, Moutin, M, Galione, A, Cancela, J