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• 产品描述： Samotolisib (LY3023414) potently and selectively inhibits class I PI3K isoforms, DNA-PK, and mTORC1/2 with IC50s of 6.07 nM, 77.6 nM, 38 nM, 23.8 nM, 4.24 nM and 165 nM for PI3Kα, PI3Kβ, PI3Kδ, PI3Kγ, DNA-PK and mTOR, respectively. Samotolisib potently inhibits mTORC1/2 at low nanomolar concentrations

• 靶点： PI3Kα:6.07 nM (IC50);PI3Kγ:23.8 nM (IC50);PI3Kδ:38 nM (IC50);PI3Kβ:77.6 nM (IC50);DNA-PK:4.24 nM (IC50);mTOR:165 nM (IC50);mTORC1;mTORC2;DNA-PK; PI3K; mTOR; Autophagy

• 体外研究：
  In cell-based assays, Samotolisib (LY3023414) inhibition of PI3K and mTOR is assessed in the PTEN-deficient U87 MG glioblastoma cell line. Samotolisib inhibits the phosphorylation of Akt at position T308 downstream of PI3K at an IC50 of 106 nM. Similarly, Samotolisib inhibits phosphorylation of Akt at position S473 (IC50=94.2 nM) by mTORC2 as well as phosphorylation of mTORC1 kinase targets p70S6K (position T389; IC50=10.6 nM) and 4E-BP1 (positions T37/46; IC50=187 nM). The downstream phosphorylation of S6RP at positions pS240/244 (IC50=19.1 nM) by p70S6K is inhibited as well, indicating target inhibition along the entire PI3K/Akt/mTOR pathway by Samotolisib. Similar IC50 concentrations for PI3K and mTOR phosphorylation targets are observed in other cell lines with activated PI3K/Akt/mTOR pathways. The ability of Samotolisib to inhibit cancer cell proliferation is evaluated in 32 human cancer cell lines from different tumor types in culture after Samotolisib treatment for 2 to 3 cell doublings in dose–response studies. Samotolisib demonstrates potent single-agent activity and IC50 values below 122 nM in half of the cell lines tested

• 体内研究：
  The ability of Samotolisib (LY3023414) to inhibit tumor growth is studied in several xenograft models exhibiting mutations or deletions that activate the PI3K/Akt/mTOR pathway. Treatment with Samotolisib at 3, 6, or 10 mg/kg twice daily orally for 28 days results in dose-responsive inhibition of tumor growth in the PTEN-deleted U87 MG xenograft model. This treatment produces similar TGI in models exhibiting PTEN truncation (786-O), activating PI3Kα mutation (NCI-H1975), and transgenic Eμ-myc mutant PI3Kα-driven leukemia models. Of note, the total daily dose of Samotolisib appears to result in equipotent antitumor activity: 12 mg/kg once daily and 6 mg/kg twice daily produces similar delta T/C values (42% and 38%, respectively) in U87 MG

• 参考文献：
  1. Wei L, et al. Genomic profiling is predictive of response to CDDP treatment but not to PI3K inhibition in bladder cancer patient-derived xenografts. Oncotarget. 2016 Nov 22;7(47):76374-76389. 2. Smith MC, et al. Characterization of LY3023414, a Novel PI3K/mTOR Dual Inhibitor Eliciting Transient Target Modulation to Impede Tumor Growth. Mol Cancer Ther. 2016 Oct;15(10):2344-2356

• 溶解性： soluble  in  DMSO

• 保存条件： -20℃

• 配置溶液浓度参考：
  

  	1mg	5mg	10mg
  1 mM	2.46 ml	12.301 ml	24.602 ml
  5 mM	0.492 ml	2.46 ml	4.92 ml
  10 mM	0.246 ml	1.23 ml	2.46 ml
  50 mM	0.049 ml	0.246 ml	0.492 ml

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本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系，公式为：

质量 (mg) = 浓度 (mM) x 体积 (mL) x 分子摩尔量 (g/mol)

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