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TLR7-agonist-1 目录号 GC19357

TLR7-agonist-1 is a potent and selective Toll-like Receptor 7 (TLR7) agonist with a LEC of 0.4 uM.

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Sample solution is provided at 25 µL, 10mM.

质量管理

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实验参考方法

Cell experiment:

The ability of TLR7 agonist 2 to activate human TLR7 and/or TLR8 is assessed by using HEK293 cells. Briefly, HEK293 cells are grown in culture medium (DMEM supplemented with 10% FCS and 2 mM Glutamine). Transfected cells are then detached with Trypsin-EDTA, washed in PBS and resuspended in medium to a density of 1.67×105 cells/mL. Thirty microliters of cells are then dispensed into each well in 384-well plates, where 10 μL of TLR7-agonist-1 in 4% DMSO is already present. Following 6 hours incubation at 37°C, 5% CO2, the luciferase activity is determined by adding 15 μL of Steady Lite Plus substrate to each well and readout performed on a microplate imager. Lowest effective concentrations (LEC) values are determined for TLR7-agonist-1[1].

Animal experiment:

A mouse in vivo model is used to demonstrate the initial proof of concept to induce endogenous IFNα. Single oral administration of 0.3, 1, 3, and 10 mg/kg doses of TLR7 agonist 2 is given to healthy, female, fasted C57Bl/6 mice. Concentrations of TLR7 agonist 2 and mouse-IFN via ELISA are measured from the plasma and compare to vehicle[1].

References:

[1]. McGowan DC, et al. Identification and Optimization of Pyrrolo[3,2-d]pyrimidine Toll-like Receptor 7 (TLR7) Selective Agonists for the Treatment of Hepatitis B. J Med Chem. 2017 Jul 27;60(14):6137-6151.

Chemical Properties

Cas No. 1642857-69-9 SDF Download SDF
别名 N/A
化学名 N/A
Canonical SMILES CC1=CC(COC2=C(N(CC3=NC=CC=C3)C=C4)C4=NC(N)=N2)=NO1
分子式 C17H16N6O2 分子量 336.35
溶解度 DMSO : 160 mg/mL (475.69 mM; Need ultrasonic and warming) 储存条件 Store at -20°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
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产品描述

TLR7-agonist-1 is a potent and selective Toll-like Receptor 7 (TLR7) agonist with a LEC of 0.4 uM.

TLR7-agonist-1 is a potent and selective Toll-like Receptor 7 (TLR7) agonist with a lowest effective concentration (LEC) of 0.4 uM in HEK293 cell. TLR7-agonist-1 is found to be selective for TLR7 over TLR8 with LEC of >100 uM for human TLR8. TLR7-agonist-1 demonstrates low inhibition across five CYP450 isozymes (IC50 >10 uM) and is also not a time dependent inhibitor of CYP450 3A4. TLR7-agonist-1 has limited inhibition of the hERG potassium ion channel 3H-dofetilide binding in vitro (IC50 >50 uM)[1].

TLR7-agonist-1 is found to be rapidly cleared in conjunction with our target profile. Both Cmax and AUC increase less than dose proportionally between 0.3 and 3 mg/kg and more than dose-proportionally between 3 and 10 mg/kg. TLR7-agonist-1 can induce an antiviral interferon stimulated gene (ISG) response without inducing an IFNα response at a low dose. TLR7-agonist-1 also induces a 2.7 log decrease in serum HBV viral load from 0.3 mg/kg, and a maximum 3.1 log decrease is observed for doses between 1 and 5 mg/kg[1].

References:
[1]. McGowan DC, et al. Identification and Optimization of Pyrrolo[3,2-d]pyrimidine Toll-like Receptor 7 (TLR7) Selective Agonists for the Treatment of Hepatitis B. J Med Chem. 2017 Jul 27;60(14):6137-6151.