1. Signaling Pathways
  2. GPCR/G Protein
  3. Bombesin Receptor

Bombesin Receptor

The bombesin (Bn) receptor family includes the gastrin-releasing peptide (GRPR) and neuromedin B (NMBR) receptors, Bn receptor subtype 3 (BRS-3) and Bn receptor subtype 4 (BB4). Activation of these receptors mediates a wide spectrum of biological activities including important changes in the central nervous system including satiety, control of circadian rhythm, thermoregulation, and in peripheral tissues including stimulation of gastrointestinal hormone release, activation of macrophages, and effects on development. Bn-related peptides also have potent growth effects causing proliferation of bothnormal cells and various tumor cell lines.

BRS-3 is receiving increased attention, because not only is it important in a number of gastrointestinal (GI) tract and central nervous system (CNS) processes, but also because it is one of the G-protein coupling receptor families most frequently ectopically or overexpressed by a different tumors, including prostate cancer, small cell lung cancer, breast cancer, CNS tumors, and carcinoids (intestinal, thymic, and bronchial).

Bombesin Receptor Related Products (9):

Cat. No. Product Name Effect Purity
  • HY-103286
    PD176252 Antagonist ≥99.0%
    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; PD176252 is also an agonist of N-Formyl peptide receptor1/2 (FPR1/FPR2), with EC50s of 0.31 and 0.66 μM in HL-60 cells.
  • HY-14342
    MK-5046 Agonist 99.67%
    MK-5046 is a novel BRS-3 agonist, binds to BRS-3 with high affinity (mouse Ki = 1.6 nM, human Ki = 25 nM).
  • HY-P0195
    Bombesin Modulator 99.76%
    Bombesin, a tetradecapeptide, plays an important role in the release of gastrin and the activation of G-protein receptors.
  • HY-P1423A
    BA 1 TFA Agonist 99.65%
    BA 1 TFA is a potent agonist for the bombesin (BB) family of receptors. BA1 binds with high affinity to Bombesin receptor subtype-3 (BRS3), gastrin releasing peptide receptor (GRPR), neuromedin B receptor (NMBR) with IC50s of 6, 0.4, 2.5 nM.
  • HY-N4247
    Kuwanon G Antagonist
    Kuwanon G is a flavonoid isolated from Morus alba, acts as a bombesin receptor antagonist, with potential antimicrobial activity.
  • HY-P0107A
    RC-3095 TFA Antagonist
    RC-3095 TFA is a selective bombesin/gastrin releasing peptide receptor (GRPR) antagonist. RC-3095 TFA exerts protective effects by reducing gastric oxidative injury in the arthritic mice.
  • HY-101844
    ML-18 Antagonist 98.84%
    ML-18 is a non-peptide bombesin receptor subtype-3 (BRS-3) antagonist with an IC50 of 4.8 μM.
  • HY-N2600
    Kuwanon H Antagonist
    Kuwanon H is a flavonoid isolated from Morus bombycis, which acts as a potent non-peptide bombesin receptor antagonist. Kuwanon H selectively inhibits binding of gastrin releasing peptide CRP to GRP-preferring recepotr, with a Ki value of 290 nM in cells.
  • HY-P1423
    BA 1 Agonist
    BA 1 is a potent agonist for the bombesin (BB) family of receptors. BA 1 binds with high affinity to Bombesin receptor subtype-3 (BRS3), gastrin releasing peptide receptor (GRPR), neuromedin B receptor (NMBR) with IC50s of 6, 0.4, 2.5 nM.
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