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CU-CPT-9a is a potent TLR8 antagonist with IC50 of 0.5 nM, which that suppresses TLR8-mediated proinflammatory signaling in various cell lines and human primary cells. The expression levels of TRIF and IRF3 do not show significant change in THP-1 cells upon treatment of R848, nor do they change with the treatment of CU-CPT-9a. CU-CPT8m and CU-CPT-9a both significantly suppress the TNF-α level in a dose-dependent manner, which is in agreement with previous reports of TLR8 involvement in these autoimmune diseases.
| Molecular Weight | 265.31 |
| Formula | C17H15NO2 |
| CAS Number | 2165340-32-7 |
| Solubility (25°C) | DMSO ≥ 90 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
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