A-57696 is a cholecystokinin (CCK) antagonist that selectively targets cortical CCK-B receptors with an IC50 of 25 nM. It functions as a competitive antagonist, effectively reversing CCK8-induced pancreatic alpha-amylase secretion and phosphatidylinositol degradation, while also inhibiting CCK8-induced gallbladder contraction. Notably, A-57696 exhibits partial agonist activity at CCK-B/gastrin receptors on NCI-H345 cells, eliciting up to 80% of the maximal CCK8 response. This compound serves as a valuable tool in research focused on gastrointestinal physiology and the modulation of CCK-related pathways.
A-57696 is a cholecystokinin (CCK) antagonist that selectively targets cortical CCK-B receptors with an IC50 of 25 nM. It functions as a competitive antagonist, effectively reversing CCK8-induced pancreatic alpha-amylase secretion and phosphatidylinositol degradation, while also inhibiting CCK8-induced gallbladder contraction. Notably, A-57696 exhibits partial agonist activity at CCK-B/gastrin receptors on NCI-H345 cells, eliciting up to 80% of the maximal CCK8 response. This compound serves as a valuable tool in research focused on gastrointestinal physiology and the modulation of CCK-related pathways.
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