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C-176 is a potent, selective and blood-brain barrier permeable inhibitor of STING. STING is a central signaling component of the intracellular DNA sensing pathway. C-176 strongly reduces STING-mediated, but not RIG-I- or TBK1-mediated, IFNβ reporter activity. Pretreatment with C-176 markedly reduce the CMA-mediated induction of serum levels of type I IFNs and IL-6.
C-176 (750/375 nmol C-176 per mouse in 200 μL corn oil) significantly reduces the CMA-mediated induction of serum levels of type I IFNs and IL-6., without significant toxicity. C-176 results in a significant reduction in serum levels of type I IFNs and in a strong suppression of inflammatory parameters in the heart, with no evident signs of overt toxicity Trex1−/− mice.
Adv Mater. 2026 Jan 16;e18814.
Molecular Gardening for Neuroinflammation via Nose‐to‐Brain Delivery: A Ca2+ Responsive DNA Nanocage‐Hydrogel System With Neuron Targeting and STING
C-176 purchased from AbMole
ACS Nano. 2025 Jan 07.
Platinum(IV)-Backboned Polymer Prodrug-Functionalized Manganese Oxide Nanoparticles for Enhanced Lung Cancer Chemoimmunotherapy via Amplifying Stimulator of Interferon Genes Activation
C-176 purchased from AbMole
| Molecular Weight | 358.09 |
| Formula | C11H7IN2O4 |
| CAS Number | 314054-00-7 |
| Solubility (25°C) | DMSO 60 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
[1] Simone M Haag, et al. Nature. Targeting STING with covalent small-molecule inhibitors.
| Related STING Products |
|---|
| Vadimezan
Vadimezan (DMXAA; ASA-404) acts as a tumor vascular disrupting agent (tumor-VDA), is also a murine agonist of the stimulator of interferon genes (STING) and also a potent inducer of type I IFNs and other cytokines. |
| G10
G10 is a activator of STING-dependent signaling. |
| 3′3′-cGAMP
3',3'-cGAMP is an endogenous second messenger in metazoans and triggers interferon production in response to cytosolic DNA. 3',3'-cGAMP activates stimulator of interferon genes (STING), which activates a signaling cascade leading to the production of type I interferons and other immune mediators. |
| diABZI (tautomerism)
diABZI (STING agonist 1; Tautomerism) is a selective stimulator of interferon genes (STING) receptor agonist, with EC50s of 130, 186 nM for human and mouse, respectively. |
| SR-717
SR-717 is a non-nucleotide STING agonist with EC50s of 2.1 μM and 2.2 μM in ISG-THP1 (WT) and ISG-THP1 cGAS KO (cGAS KO) cell lines, respectively. |
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