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1059070-10-8

1059070-10-8 structure
1059070-10-8 structure
  • Name: DSR 6434
  • Chemical Name: 6-Amino-2-(butylamino)-9-({6-[2-(dimethylamino)ethoxy]-3-pyridinyl}methyl)-7,9-dihydro-8H-purin-8-one
  • CAS Number: 1059070-10-8
  • Molecular Formula: C19H28N8O2
  • Molecular Weight: 400.478
  • Catalog: Signaling Pathways Immunology/Inflammation Toll-like Receptor (TLR)
  • Create Date: 2018-07-16 04:52:13
  • Modify Date: 2024-01-02 17:13:09
  • DSR-6434 is a potent and selective Toll-like receptor 7 (TLR7) agonist, with EC50s of 7.2 nM and 4.6 nM for human and mice TLR7, respectively. DSR-6434 has a strong antitumor effect[1][2].

Name 6-Amino-2-(butylamino)-9-({6-[2-(dimethylamino)ethoxy]-3-pyridinyl}methyl)-7,9-dihydro-8H-purin-8-one
Synonyms 6-Amino-2-(butylamino)-9-({6-[2-(dimethylamino)ethoxy]-3-pyridinyl}methyl)-7,9-dihydro-8H-purin-8-one
8H-Purin-8-one, 6-amino-2-(butylamino)-9-[[6-[2-(dimethylamino)ethoxy]-3-pyridinyl]methyl]-7,9-dihydro-
Description DSR-6434 is a potent and selective Toll-like receptor 7 (TLR7) agonist, with EC50s of 7.2 nM and 4.6 nM for human and mice TLR7, respectively. DSR-6434 has a strong antitumor effect[1][2].
Related Catalog
Target

TLR7:7.2 nM (EC50, Human)

TLR7:4.6 nM (EC50, Mice)

In Vitro To assess the specificity of DSR-6434 toward TLR7, an NF-κB-driven reporter assay is performed in HEK293 cells engineered to express either hTLR7, TLR8 or TLR9. In this assay, successful binding of DSR-6434 to the specific receptor leads to NF-κB activation. DSR-6434 is capable of stimulating reporter gene activity only in HEK293 cells expressing hTLR7 and not in HEK293 cells expressing the structurally similar hTLR8 or hTLR9[2].
In Vivo DSR-6434 treatment (Compound 20; 0.1-1 mg/kg; intravenous injection; biweekly; for 4 weeks; B6C3F1 mice) suppresses the lung metastasis significantly, 78% inhibition at 0.1 mg/kg dosing (with no tumor metastasis at the 1 mg/kg group)[1]. Animal Model: B6C3F1 mice injected with HM-1 ovarian cancer cells[1] Dosage: 0.1 mg/kg, 1 mg/kg Administration: Intravenous injection; biweekly; for 4 weeks Result: Suppressed the lung metastasis significantly, 78% inhibition was seen at 0.1 mg/kg dosing (with no tumor metastasis at the 1 mg/kg group).
References

[1]. Nakamura T, et al. Synthesis and evaluation of 8-oxoadenine derivatives as potent Toll-like receptor 7 agonists with high water solubility. Bioorg Med Chem Lett. 2013 Feb 1;23(3):669-72.

[2]. Adlard AL, et al. A novel systemically administered Toll-like receptor 7 agonist potentiates the effect of ionizing radiation in murine solid tumor models. Int J Cancer. 2014 Aug 15;135(4):820-9.

Density 1.3±0.1 g/cm3
Molecular Formula C19H28N8O2
Molecular Weight 400.478
Exact Mass 400.233521
LogP 0.23
Index of Refraction 1.635
Hazard Codes Xi