High affinity and potent ghrelin receptor inverse agonist (Ki values are 4.9 and 31 nM in COS7 and HEK293T cells, respectively). Blocks ghrelin receptor-mediated Gq- and G13-dependent signaling pathways.
K-(D-1-Nal)-FwLL-NH2 TFA is a potent and high-affinity inverse agonist of the ghrelin receptor, exhibiting Ki values of 4.9 nM in COS7 cells and 31 nM in HEK293T cells. This compound effectively inhibits ghrelin receptor-mediated Gq- and G13-dependent signaling pathways.