7
Effect of Eating
on Hormone
Secretion Notes
Effect of Gastric
By-pass and Sleeve
Gastrectomy
Bile acids, glucose
production
Insulin sensitivity, glycogen
synthesis
Insulin
Glucagon, gastric emptying
Glucose metabolism,
intestinal mucosal growth,
increases absorptive surface,
epithelial brush-border
nutrient transporters and
digestive enzymes, intestinal
blood flow, postprandial
chylomicron secretion
Gastrointestinal motility
Glucagon-like peptide-1
(GLP-1) and glucagon
receptor activity
Gastric acid and gastric
emptying
Gastric bypass
− Sleeve
gastrectomy
Gall bladder and pancreatic
secretions, gastric emptying