Date published: 2025-12-5

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PD 168368 (CAS 204066-82-0)

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Alternate Names:
PD 168368 is known as an NMBR antagonist.
Application:
PD 168368 is a potent NMB (Neuromedin B) receptor antagonist that displays ~40-fold selectivity over the gastrin-releasing peptide receptor.
CAS Number:
204066-82-0
Purity:
≥96%
Molecular Weight:
554.65
Molecular Formula:
C31H34N6O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

QUICK LINKS

PD 168368 is a Neuromedin B antagonist displaying ~40-fold selectivity over the gastrin-releasing peptide receptor (GRP-R, BB2). PD 168368 also shows >300-fold selectivity over BRS-R (BB3). PD 168368 antagonizes neuromedin B-stimulated Ca2+ release. Simultaneously, PD 168368 inhibits proliferation of rat glioma cells.


PD 168368 (CAS 204066-82-0) References

  1. Comparative pharmacology of the nonpeptide neuromedin B receptor antagonist PD 168368.  |  Ryan, RR., et al. 1999. J Pharmacol Exp Ther. 290: 1202-11. PMID: 10454496
  2. Tyrosine 220 in the 5th transmembrane domain of the neuromedin B receptor is critical for the high selectivity of the peptoid antagonist PD168368.  |  Tokita, K., et al. 2001. J Biol Chem. 276: 495-504. PMID: 11013243
  3. Nonpeptide neuromedin B receptor antagonists inhibit the proliferation of C6 cells.  |  Moody, TW., et al. 2000. Eur J Pharmacol. 409: 133-42. PMID: 11104826
  4. Nonpeptide gastrin releasing peptide receptor antagonists inhibit the proliferation of lung cancer cells.  |  Moody, TW., et al. 2003. Eur J Pharmacol. 474: 21-9. PMID: 12909192
  5. Isolation, identification and biological activity of gastrin-releasing peptide 1-46 (oGRP 1-46), the primary GRP gene-derived peptide product of the pregnant ovine endometrium.  |  Giraud, AS., et al. 2010. Peptides. 31: 284-90. PMID: 19944725
  6. Gastrin-releasing peptide/neuromedin B receptor antagonists PD176252, PD168368, and related analogs are potent agonists of human formyl-peptide receptors.  |  Schepetkin, IA., et al. 2011. Mol Pharmacol. 79: 77-90. PMID: 20943772
  7. The role of central gastrin-releasing peptide and neuromedin B receptors in the modulation of scratching behavior in rats.  |  Su, PY. and Ko, MC. 2011. J Pharmacol Exp Ther. 337: 822-9. PMID: 21421741
  8. Neuromedin B receptor antagonist suppresses tumor angiogenesis and tumor growth in vitro and in vivo.  |  Park, HJ., et al. 2011. Cancer Lett. 312: 117-27. PMID: 21908103
  9. 3-(1H-indol-3-yl)-2-[3-(4-nitrophenyl)ureido]propanamide enantiomers with human formyl-peptide receptor agonist activity: molecular modeling of chiral recognition by FPR2.  |  Schepetkin, IA., et al. 2013. Biochem Pharmacol. 85: 404-16. PMID: 23219934
  10. Physiological function of gastrin-releasing peptide and neuromedin B receptors in regulating itch scratching behavior in the spinal cord of mice.  |  Sukhtankar, DD. and Ko, MC. 2013. PLoS One. 8: e67422. PMID: 23826298
  11. Neuromedin B receptor antagonism inhibits migration, invasion, and epithelial-mesenchymal transition of breast cancer cells.  |  Park, HJ., et al. 2016. Int J Oncol. 49: 934-42. PMID: 27571778
  12. Neuromedin B Induces Acute Itch in Mice via the Activation of Peripheral Sensory Neurons.  |  Ehling, S., et al. 2019. Acta Derm Venereol. 99: 587-893. PMID: 30734045
  13. Neuromedin B receptor disruption impairs adipogenesis in mice and 3T3-L1 cells.  |  de Paula, GSM., et al. 2019. J Mol Endocrinol. 63: 93-102. PMID: 31067509

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PD 168368, 1 mg

sc-204166
1 mg
$149.00

PD 168368, 10 mg

sc-204166A
10 mg
$312.00