Title : Two neuropeptides recruit different messenger pathways to evoke Ca2+ signals in the same cell.

Pub. Date : 2000 Aug 24

PMID : 10985387






4 Functional Relationships(s)
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1 It was reported recently that nicotinic acid adenine dinucleotide phosphate (NAADP) releases Ca2+ from mammalian brain microsomes [5] and triggers Ca2+ signals in pancreatic acinar cells, where it is proposed to mediate CCK-evoked Ca2+ signals [6]. NAADP cholecystokinin Homo sapiens
2 It was reported recently that nicotinic acid adenine dinucleotide phosphate (NAADP) releases Ca2+ from mammalian brain microsomes [5] and triggers Ca2+ signals in pancreatic acinar cells, where it is proposed to mediate CCK-evoked Ca2+ signals [6]. NAADP cholecystokinin Homo sapiens
3 Picomolar concentrations of bombesin and CCK evoked similar patterns of cytosolic Ca2+ oscillations, but high, desensitising, NAADP concentrations selectively inhibited CCK, but not bombesin-evoked signals. NAADP cholecystokinin Homo sapiens
4 We further tested whether NAADP is involved in Ca2+ signals triggered by activation of the low-affinity CCK receptor sites. NAADP cholecystokinin Homo sapiens