215-LB: The Role of GLP-1 in Glycemic Response to Protein Ingestion after Gastric Bypass Surgery or Sleeve Gastrectomy

Protein ingestion increases the plasma insulin and glucagon responses, but the enteral factors involved are entirely unknown. We hypothesized that glucagon-like peptide 1 (GLP-1) signaling regulates glucose metabolism after protein ingestion, and that this effect may be amplified after Roux-en Y gastric bypass (GB) and sleeve gastrectomy (SG). We examined the glucose and islet-cell secretory responses to 50 g protein ingestion with and without...