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1429375-54-1

1429375-54-1 structure
1429375-54-1 structure
  • Name: H4R antagonist 1
  • Chemical Name: H4R antagonist 1
  • CAS Number: 1429375-54-1
  • Molecular Formula: C11H11BrN8
  • Molecular Weight: 335.16
  • Catalog: Signaling Pathways GPCR/G Protein Histamine Receptor
  • Create Date: 2019-03-03 11:13:11
  • Modify Date: 2024-01-06 13:40:29
  • H4R antagonist 1 is a potent and highly selective histamine H4 receptor (H4R) antagonist with an IC50 of 27 nM. H4R antagonist 1 does not show any noticeable binding affinity to other subtypes of histamine receptors, H1R, H2R, and H3R[1].

Name H4R antagonist 1
Description H4R antagonist 1 is a potent and highly selective histamine H4 receptor (H4R) antagonist with an IC50 of 27 nM. H4R antagonist 1 does not show any noticeable binding affinity to other subtypes of histamine receptors, H1R, H2R, and H3R[1].
Related Catalog
Target

Human H4 Receptor:27 nM (IC50)

Mouse H4 Receptor:290 nM (IC50)

In Vitro The competitive binding assay against a wider panel of GPCR, ion channel, and transporters at the concentration of 10 μM reveals that H4R antagonist 1 (Compound 48) is highly selective for H4R. The inhibitory activity of H4R antagonist 1 against mouse H4R (IC50=0.29 μM) is about 10 times weaker than that for human H4R[1].
In Vivo H4R antagonist 1 (Compound 48) shows significant antipruritic and anti-inflammatory efficacy in Oxazolone-induced murine model mimicking human atopic dermatitis (AD)[1]. In the [35S]GTPγS functional assay, H4R antagonist 1 shows inhibitory activity against mouse H4R with an IC50 of 0.69 μM[1].
References

[1]. Ko K, et al. Discovery of a Novel Highly Selective Histamine H4 Receptor Antagonist for the Treatment of Atopic Dermatitis. J Med Chem. 2018 Apr 12;61(7):2949-2961.

Molecular Formula C11H11BrN8
Molecular Weight 335.16