货号:A1340104 同义名: SR-717 lithium;SR 717 (lithium salt)
SR-717是一种非核苷类 STING 激动剂,其在 ISG-THP1 (WT) 和 ISG-THP1 cGAS KO(cGAS KO)细胞系中的 EC50 分别为 2.1 μM 和 2.2 μM,具有抗肿瘤活性。
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描述 | Stimulator of interferon genes (STING) is an endoplasmic reticulum signaling protein which has been demonstrated to play essential roles in antitumor immunity. SR-717 is a non-nucleotide, small-molecule STING agonist with an IC50 of 7.8 μM. Within the CD45.2+ population, SR-717 treatment resulted in a significant increase in the frequency of CD8 T cells among TILs (tumor infiltrating lymphocytes) and a decrease in the frequencies of NK cells within the draining lymphnode (dLN) and spleen. In WT C57BL/6 mice, SR-717 induced IFN-β after intraperitoneal administration in a dose-dependent manner. In WT or Stinggt/gt mice, a 30 mg/kg intraperitoneal once-per-day regimen of SR-717 for 1 week was found to maximally inhibit B16.F10 tumor growth. In C57BL/6 mice bearing B16.F10 cells, SR-717 (15 mg/kg; dosed intraperitoneally; once per day) significantly inhibited the formation of pulmonary nodules in this model of metastasis. SR-717 (30 mg/kg intraperitoneally) displayed a better level of efficacy than anti-PD-1 or anti-PD-L1 antibody therapy on reducing tumor burden and improving overall survival in the B16.F10 model[2]. |
作用机制 | The structure of SR-717 facilitates a binding mode in which Thr263 side chain hydroxyls from both monomers are positioned to form hydrogen-bond interactions with SR-717[2]. |
计算器 | ||||
存储液制备 | 1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
2.85mL 0.57mL 0.28mL |
14.24mL 2.85mL 1.42mL |
28.47mL 5.69mL 2.85mL |
CAS号 | 2375421-09-1 |
分子式 | C15H8F2LiN5O3 |
分子量 | 351.193 |
别名 | SR-717 lithium;SR 717 (lithium salt) |
运输 | 蓝冰 |
存储条件 |
In solvent -20°C:3-6个月-80°C:12个月 Pure form Inert atmosphere,Room Temperature |
溶解方案 |
DMSO: 20 mg/mL(56.95 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶
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动物实验配方 |