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Purity: ≥98%
Voxtalisib analogue (also known as PI3K-IN-1, SAR-245409 Analog, XL-765 Analog), a Voxtalisib derivative, is a novel, potent and orally bioavailable dual inhibitor of mTOR/PI3K with potential anticancer activity.
| Targets |
PI3Kγ (IC50 = 9 nM); PI3Kα (IC50 = 39 nM); PI3Kδ (IC50 = 43 nM); PI3Kβ (IC50 = 113 nM); DNA-PK (IC50 = 150 nM)
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| ln Vitro |
PI3K-IN-1 (25 μM) blocks PI3K/Akt signaling pathways. With relatively lower expressions of -SMA, Col-1, and Timp-1, TGF-1-induced transformation into myofibroblast is also inhibited by the PI3K inhibitor PI3K-IN-1.
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| ln Vivo |
In mice models, BxPC-3 xenograft growth is significantly inhibited by the combination of XL765 (30 mg/kg) and chloroquine (50 mg/kg), whereas XL765 alone at the same dose has no inhibitory effect. [2]
In nude mice implanted intracranially with GBM 39-luc cells, oral administration of XL765 results in a greater than 12-fold reduction in median tumor bioluminescence compared to control and an improvement in median survival. In comparison to temozolomide (TMZ) alone, the combination of XL765 and TMZ results in a 140-fold reduction in median bioluminescence and a slight improvement in median survival. [3] |
| Enzyme Assay |
Kinase activity for PI3K isoforms is measured as the percentage of ATP consumed following the kinase reaction using luciferase-luciferin-coupled chemiluminescence, with ATP concentrations approximately equal to the Kmfor each respective kinase. Kinase reactions are initiated by combining test compounds, ATP and kinase in a 20 μL volume. PI3Kα, PI3Kβ, PI3Kγ, and PI3Kδ final enzyme concentrations are 0.5, 8, 20, and 2 nM, respectively. A similar assay format is used for DNA-PK (DNA protein kinase) and VPS34. VPS34 assay buffer contains 20 mM Tris-HCl, pH 7.5, 3.5 mM MnCl2, 100 mM NaCl, 1 mM DTT, and 0.01% cholamidopropyldimethylammonio propanesulfonate (CHAPS). Of note, 0.5 μL DMSO containing varying concentrations of the test compound is mixed with 10 μL enzyme solution (2× concentration). Kinase reactions are initiated by the addition of 10 μL of liver phosphatidylinositol and ATP solution (2× concentration). Assay concentrations for VPS34, ATP, and phosphatidylinositol are 40 nM, 1 μM, and 5 μM, respectively.
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| Cell Assay |
Cells (Pancreatic cancer cell lines (HcG25, Panc89, PA-TU8988T, Panc2.13, MiaPaCa2, Panc10.05, Panc8.13, BxPC-3, etc.) are treated with XL765 24 hours after plating and harvested for apoptosis or autophagy assays at 24, 48, or 72 hours after XL765 treatment. Apoptosis is determined by total percentage of annexin V-positive cells by fluorescence-activated cell sorting (FACS).Acidic vesicular organelles (AVOs) are detected in XL765-treated cells by vital staining with acridine orange. The degree of AVO formation is expressed as fold increase of acridine orange fluorescence intensity (FL3) in XL765-treated cells versus control cells.XL765 is active against class I PI3K (IC50 = 39, 113, 9 and 43 nM for p110α, β, γ and δ, respectively). XL765 also inhibits DNA-PK (IC50 = 150 nM) and mTOR (IC50 = 157 nM) but not XL-147 which shows IC50 values of > 15 μM.XL765 treatment results in decreased cell viability in 13 PDA cell lines in a dose-dependent manner. XL765, a dual-target PI3K/mTOR inhibitor, inhibits cell growth and apoptosis in many more cell lines and at lower concentrations as compared to the PI3K-selective inhibitors XL147 and PIK90. The effect can be recapitulated by using combinations of single-targeted compounds. XL765 significantly reduces phosphorylation of the mTOR targets S6, S6K, and 4EBP1, which is associated with greater apoptosis induction rather than to PI3K inhibition alone. XL765 treatment causes accumulation of autophagosomes in MIAPaCa-2 cells, and results in significant dose-dependent AVO induction and LC3-II stimulation in MIAPaCa-2 cells stably expressing a LC3-GFP construct.
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| Animal Protocol |
Female Nu/Nu mice inoculated s.c. with BxPC-3 cells
30 mg/kg Oral gavage once a day |
| References |
| Molecular Formula |
C31H29N5O6S
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|---|---|
| Molecular Weight |
599.66
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| Exact Mass |
599.1839
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| Elemental Analysis |
C, 62.09; H, 4.87; N, 11.68; O, 16.01; S, 5.35
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| CAS # |
1349796-36-6
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| Related CAS # |
1349796-36-6;934493-76-2;
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| Appearance |
Solid powder
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| SMILES |
O=C(NC1=CC=C(S(=O)(NC2=NC3=CC=CC=C3N=C2NC4=CC(OC)=CC(OC)=C4)=O)C=C1)C5=CC=C(C)C (OC)=C5
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| InChi Key |
HJSSPYJVWLTYHG-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C31H29N5O6S/c1-19-9-10-20(15-28(19)42-4)31(37)33-21-11-13-25(14-12-21)43(38,39)36-30-29(34-26-7-5-6-8-27(26)35-30)32-22-16-23(40-2)18-24(17-22)41-3/h5-18H,1-4H3,(H,32,34)(H,33,37)(H,35,36)
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| Chemical Name |
N-[4-[[[3-[(3,5-dimethoxyphenyl)amino]-2-quinoxalinyl]amino]sulfonyl]phenyl]-3-methoxy-4-methyl-benzamide
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| Synonyms |
SAR245409 analogue; SAR245409 analogue; SAR 245409analogue; XL765 analogue; XL 765 analogue; XL-765 analogue; Voxtalisib analogue
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO: ~12 mg/mL (20.0 mM)
Water: <1 mg/mL Ethanol: <1 mg/mL |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (4.17 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: 2.5 mg/mL (4.17 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: 30% PEG400+0.5% Tween80+5%Propylene glycol: 30mg/mL |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 1.6676 mL | 8.3381 mL | 16.6761 mL | |
| 5 mM | 0.3335 mL | 1.6676 mL | 3.3352 mL | |
| 10 mM | 0.1668 mL | 0.8338 mL | 1.6676 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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J Mol Med, 2011, 89(9), 877-889. |
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