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• 產(chǎn)品描述： NSC 74859 (S3I-201) is a selective Stat3 inhibitor with an IC50 of 86 μM

• 靶點(diǎn)： STAT3:86 μM (IC50);STAT

• 體內(nèi)研究：
  Human breast (MDA-MB-231) tumor-bearing mice are given an i.v. injection of NSC 74859 (S3I-201) or vehicle every 2 or every 3 days for 2 weeks, and tumor measurements are taken every 2-3 days. Compared with control (vehicle-treated) tumors, which continued to grow, human breast tumors in mice that received S3I-201 display strong growth inhibition. Continued evaluation of treated mice on termination of treatment shows no resumption of tumor growth, suggesting potentially a long-lasting effect of S3I-201 on tumor growth. Compared with vehicle-treated control tumors (n=15), which continued to grow, S3I-201 treatment of somatotroph tumor xenografts (n=15) significantly attenuated tumor growth for the duration of the experiment. Tumors derived from NSC 74859-treated rats are significantly smaller than those from the untreated group (220±16 mm3?vs. 287±16 mm3, P<0.01) as early as 5 days after NSC 74859 injection. Fifteen days after treatments, the average tumor volume of NSC 74859-treated rats is 64% of that of controls (449±40 mm3?vs. 708±83 mm3, P<0.01). Rats are sacrificed and tumors are harvested 15 days after treatment initiation. The average tumor weight of NSC 74859-treated rats is 78±8 mg, while tumors derived from control rats weighed 114±13 mg (32% reduction; P<0.05).

• 參考文獻(xiàn)：
  1. Siddiquee K, et al. Selective chemical probe inhibitor of Stat3, identified through structure-based virtual screening, induces antitumor activity. Proc Natl Acad Sci U S A. 2007 May 1;104(18):7391-6. 2. Lin L, et al. The STAT3 inhibitor NSC 74859 is effective in hepatocellular cancers with disrupted TGF-β signaling. Oncogene. 2009 Feb 19;28(7):961-72. 3. Zhou C, et al. STAT3 upregulation in pituitary somatotroph adenomas induces hypersecretion. J Clin Invest. 2015 Apr;125(4):1692-702

• 溶解性： DMSO  :  100  mg/mL  (273.70  mM;  Need  ultrasonic)

• 保存條件： -20℃

• 配置溶液濃度參考：
  

  	1mg	5mg	10mg
  1 mM	2.737 ml	13.685 ml	27.37 ml
  5 mM	0.547 ml	2.737 ml	5.474 ml
  10 mM	0.274 ml	1.369 ml	2.737 ml
  50 mM	0.055 ml	0.274 ml	0.547 ml

• 注意：部分產(chǎn)品我司僅能提供部分信息，我司不保證所提供信息的權(quán)威性，僅供客戶參考交流研究之用。

輸入產(chǎn)品批號(hào)：

本計(jì)算器可幫助您計(jì)算出特定溶液中溶質(zhì)的質(zhì)量、溶液濃度和體積之間的關(guān)系，公式為：

質(zhì)量 (mg) = 濃度 (mM) x 體積 (mL) x 分子摩爾量 (g/mol)

• pg ng μg mg g kg =
  fM pM nM μM mM M *
  nL μL mL L *