Incretin -Based Therapy
Farzad Hadaegh MD
Associate Professor of
Endocrinology
THE INCRETIN EFFECT AND GLUCAGON-LIKE PEPTIDE 1 THERAPY
GLP-1 a 30-amino-acid polypeptide derived from proglucagon gene
Rapidly secreted into bloodstream from enteroendocrine L-cells in distal small intestine & colon in response to food ingestion.
Within the L-cells of the small intestine, proglucagon peptide is processed by prohormone convertase to
GLP-1
GLP-2 (a key regulator of small intestinal growth)
glicentin