Bombesin is a 14-amino acerbic peptide originally abandoned from the derma of the European fire-bellied toad (Bombina bombina). It has two accepted homologs in mammals alleged neuromedin B and gastrin-releasing peptide. It stimulates gastrin absolution from G cells. It activates three altered G-protein-coupled receptors accepted as BBR1, -2, and -3. It aswell activates these receptors in the brain. Together with cholecystokinin, it is the additional above antecedent of abrogating acknowledgment signals that stop bistro behaviour.
Bombesin is aswell a bump brand for baby corpuscle blight of lung, belly cancer, and neuroblastoma.