ML-18 is a nonpeptide BRS-3 antagonist with IC50 value of 4.8μM.

Kuwanon G是一种从桑树中提取的黄酮类化合物，作为蛙皮素受体的拮抗剂，具有抗菌活性。

Bombesin, a tetradecapeptide originally isolated from frog skin, has an important role in the release of gastrin and the activation of G-protein receptors.

PD176252 is a potent antagonist of neuromedin-B preferring (BB1) and gastrin-releasing peptide-preferring (BB2) receptor with Kis of 0.17 nM and 1 nM for human BB1 and BB2 receptors, and 0.66 nM, 16 nM for Rat BB1 and BB2 receptors, respectively; also an agonist of N-Formyl peptide receptor1/2 (FPR1/FPR2), with EC50s of 0.31 and 0.66 μM in HL-60 cells.

MK-5046 is a BRS-3 agonist, binds to BRS-3 with high affinity (mouse Ki = 1.6 nM, human Ki = 25 nM).

Neuromedin B is a peptide agonist of the neuromedin B receptor.

BA 1 is a specific agonist of bombesin receptor with IC50 values of 0.26, 1.55 and 2.52 nM for BB1, BB2 and BB3 respectively. It can enhance glucose transport in obese and diabetic primary myocytes.

Gastrin-releasing peptide (human) belongs to the bombesin-like peptide family that stimulates gastrin release.