Physiological plasma concentrations of cholecystokinin stimulate pancreatic enzyme secretion and gallbladder contraction in man
1985
Abstract The present study was undertaken to determine whether infusion of cholecystokinin (CCK) to plasma concentrations comparable to those found after a meal stimulates pancreatic enzyme secretion and gallbladder contraction. Plasma CCK concentrations were measured by radioimmunoassay using antibody T204, which binds to all carboxyl-terminal CCK-peptides containing the sulfated tyrosine region. Ingestion of a standardized test meal in 7 normal subjects induced significant increases in plasma CCK from 2.0 ± 0.2 pmol/1 to levels between 4.6 ± 0.6 and 7.3 ± 1.0 pmol/1 (p μ mol/15 min (p
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