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  • Title: Role of secretin and CCK in the stimulation of pancreatic secretion in conscious dogs. Effects of atropine and somatostatin.
    Author: Konturek SJ, Konturek JW, Lamers CB, Tasler J, Bilski J.
    Journal: Int J Pancreatol; 1987 Aug; 2(4):223-35. PubMed ID: 2890695.
    Abstract:
    The role of gut hormones, such as secretin and CCK, in the stimulation of pancreatic secretion by duodenal HCl or oleate and by meat feeding has been studied in conscious dogs before and after pretreatment with atropine and somatostatin. Plasma hormones were measured by specific and sensitive radioimmunoassays. Duodenal perfusion with HCl and oleate stimulated dose-dependently pancreatic HCO3 and protein secretion and raised plasma levels of secretin and CCK, respectively. Atropine reduced significantly both HCO3 and protein secretion but did not affect plasma secretin and CCK levels in these studies. Both exocrine pancreatic secretion and plasma secretin and CCK levels were suppressed by somatostatin. Meat feeding caused a marked pancreatic HCO3 and protein secretion accompanied by a significant increase in plasma secretin and CCK which seem to play an important role in the postprandial pancreatic stimulation. Both atropine and somatostatin reduced the pancreatic secretion induced by exogenous hormones but only somatostatin, but not atropine, significantly decreased plasma secretin and CCK responses to intestinal stimulants. We conclude that both atropine and somatostatin reduce the pancreatic responses to duodenal HCl or oleate or to meat feeding but only somatostatin is capable of suppressing the release of secretin and CCK.
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