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C188-9 促销  ≥98%

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包装规格：5mg 25mg 100mg in glass bottle
产品简介：一种Stat3的抑制剂，Kd值为4.7nM。
溶解性：溶于DMSO(≥60mg/mL )
储备液保存：-80°C, 6 months -20°C, 1 month (protect from light)
体内实验：1、请依序添加每种溶剂： 10% DMSO→40% PEG300→5% Tween-80→45% Saline Solubility: ≥ 2.08 mg/mL (4.41 mM); 澄清溶液 此方案可获得 ≥ 2.08 mg/mL（饱和度未知）的澄清溶液。 以 1 mL 工作液为例，取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；再向上述体系中加入 50 μL Tween-80，混合均匀；然后再继续加入 450 μL 生理盐水 定容至 1 mL。 ＜1mg/ml表示微溶或不溶。 普西唐提供的所有化合物浓度为内部测试所得，实际溶液度可能与公布值有所偏差，属于正常的批间细微差异现象。 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
靶点：STAT3：4.7 nM (Kd)
体外研究：C188-9 is a Stat3 inhibitor, with a Kd of 4.7 nM. The IC50s of C188-9 to inhibit Stat3 activation in AML cell lines are in the range of 4-7 μM, and in primary AML samples the IC50s are in the range of 8-18 μM. For apoptosis studies, AML cell lines and primary samples are treated for 24 hours with C188-9, then apoptotic cells are quantified by FACS analysis for annexin V-labeled cells. The EC50s for apoptosis induction are quite variable, ranging from 6 μM to over 50 μM.
体内研究：Of the approximately 13,528 discernible genes, levels of 37 gene transcripts are altered by C188 (17 down and 20 up-regulated, fdr <0.01, fold change≥1.5), of which 7 are known STAT3 gene targets. In comparison, C188-9 affects a much greater number of genes involved in oncogenesis (384 total, 95 down- and 289 up-regulated), including 76 genes previously reported as regulated by STAT3 (38 down-regulated and 38 up-regulated). Among the 38 genes previously shown to be upregulated by STAT3, 24 (63%) genes are downregulated by C188-9 treatment, as expected. Additionally, 10 more genes downregulated by C188-9 (fdr <0.01, fold change≥1.5) that previously are shown to be upregulated by STAT1. Thus, 40 of 48 (83.3%) genes downregulated by C188-9 previously are shown to be positively regulated by STAT1, including sixteen genes shown to be co-regulated by STAT3 and STAT1. This analysis raises the possibility that the effect of C188-9 on gene transcript levels in HNSCC tumors is mediated by its effects on both STAT3 and STAT1.
细胞实验：细胞系：UM-SCC-17B细胞 浓度：0, 0.1, 0.3, 1, 3, 10, 30 μM 处理时间：24 h 方法：将不同浓度的C188或C188-9（0/0.1/0.3/1/3/10/30μM）于UM-SCC-17B细胞共孵育，处理24小时。
动物实验：动物模型：雌性CD2F1小鼠，皮下注射等基因C26肿瘤细胞 剂量：12.5 mg/kg 给药处理：i.p.
保存条件：-20℃
注意事项：1、为了您的安全和健康，请穿实验服并戴一次性手套操作。 2、以上信息仅做参考交流之用。

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