SLC18A2 and neuroendocrine carcinoma: Whereas VMAT1 which coordinates the ATP-depending transport of monoamines between the cytoplasm and secretory vesicles, was detectable on mRNA levels in NEC-DUE1 and -DUE2 cells, only the gastric NEC-cell line expressed VMAT2, known to be characteristic for gastric enterochromaffine-like (ECL) cells of the stomach [37], [38], [39], [40], [41].