sting agonist 12

基于 oxindole 核心结构的 STING activator Compound 53 在永生化细胞和原代细胞中表现出强大的 STING（人 EC50 185 nM）的靶向功能激活以及与 STING 激活一致的细胞因子诱导指纹。

STING agonist 12b is an agonist of stimulator of interferon genes (STING).1It binds to STING (Kd= 26.4 μM) and induces interferon reporter gene expression in cells expressing human or mouse STING (EC50s = 7.45 and 10.23 μM, respectively). STING agonist 12b (40 μM) induces expression of TNF-a, IL-6, IP-10, and IL-1b in THP-1 cells. 1.Hou, S., Lan, X.-j., Li, W., et al.Design, synthesis and biological evaluation of acridone analogues as novel STING receptor agonistsBioorg. Chem.95103556(2020)

STING激动剂12L是一种刺激干扰素基因(STING)的激动剂。它与野生型STING结合(IC50 = 1.15 µM)，以及STING的R232、AQ和Q变体(IC50分别为1.06、0.61和1.12 µM)，并在THP-1和RAW 264.7细胞中诱导报告基因表达(EC50分别为0.38和12.94 µM)。STING激动剂12L (5 µM)在THP-1细胞中诱导IFNB1、CXCL10和IL6 mRNA的表达。在体内，STING激动剂12L (10 mg/kg)提高了血浆IFN-β水平，并且在B16/F10小鼠黑色素瘤模型中减少了肿瘤体积和肺转移灶的数量。