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Inhibition of nicotine-induced secretion from bovine chromaffin cells by the amidated C-terminal sequence of the opioid peptide amidorphin
Authors:D Liebisch  M Bommer  M Schimak  A Herz
Abstract:
The nicotine-induced release of catecholamines and opioid peptides from bovine chromaffin cells is inhibited by the amidated opioid peptide amidorphin. The active site of this inhibitory activity is located at the peptide's C-Terminus, which is, in contrast to the N-terminal sequence TYR-GLY-GLY-PHE, not responsible for the opioidergic activity of opioid peptides. The noradrenaline-secretion induced by histamine, a non-cholinergic secretagogue, has not been inhibited by amidorphin.
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