Appetite-suppressing signals

   Cholecystokinin

   Glucagon-like peptide 1

   Glucagon-like peptide 2

   Amylin

   Somatostatin

   Bombesin

   Enterostatin

   Apolipoprotein A-IV

   Gastric inhibitory peptide

Appetite-enhancing peptides

   Ghrelin

Information from: M. H. Stipanuk, ed., Biochemical, Physiological, Molecular Aspects of Human Nutrition, 2d ed. (Saunders/Elsevier, 2006), p. 627, Box 22-1.