LEAP2 review: endogenous ghrelin-receptor antagonist in obesity (2021)
A 2021 review describes LEAP2 as an endogenous competitive antagonist and inverse agonist of the ghrelin receptor (GHS-R1a). Plasma LEAP2 rises with feeding and obesity and falls with fasting and weight loss, the opposite of ghrelin.
Context: Narrative review of human and animal studies.