STING-Inducer-1 has enhanced binding affinity to STING and activate all known human STING alleles. STING-Inducer-1 induces the highest expression of IFN-β and the pro-inflammatory cytokines TNF-α, IL-6, and MCP-1 on a molar equivalent basis, as compared to endogenous ML cGAMP and the TLR3 agonist poly I:C. ML RR-S2 CDA is also found to induce aggregation of STING and induce phosphorylation of TBK1 and IRF3 in mouse bone marrow macrophage (BMM). ML RR-S2 CDA induces significantly higher levels of IFN-α when compared to ML cGAMP.
In vivo, STING-Inducer-1 shows higher anti-tumor control than the endogenous ML cGAMP. A dose response of the ML RR-S2 CDA compound is performed in B16 tumor-bearing mice, which identifies an optimal antitumor dose level that also elicites maximum tumor antigen-specific CD8+ T cell responses, and improves long-term survival to 50%.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||DMSO 10 mM|
Direct Activation of STING in the Tumor Microenvironment Leads to Potent and Systemic Tumor Regression and Immunity.
Corrales L, et al. Cell Rep. 2015 May 19;11(7):1018-30. PMID: 25959818.
Phytohemagglutinin is a lectin obtained from the red kidney bean that binds to the membranes of T-cells, stimulates metabolic activity and involves inflammatory pathways.
Apilimod is a potent IL-12/IL-23 inhibitor, and it is also a cell permeable small molecule which specifically inhibits PIKfyve with an IC50 of 14 nM in an in vitro kinase assay.
10-Hydroxy-trans-2-decenoic acid is the principal lipid component in royal jelly which is the food for queen and larvae honeybees.
Brij-35 (Polidocanol) is a high HLB, ethoxylated, nonionic ether of lauryl alcohol with broad pH stability.
Hyaluronic acid (HA) is an anionic, nonsulfated glycosaminoglycan distributed widely throughout connective, epithelial, and neural tissues.
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