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KSI-3716 (KSI3716) is a novel and potent c-Myc inhibitor with antitumor activity. c-MYC is a promising target for cancer therapy but its use is restricted by unwanted, devastating side effects. KSI-3716 blocked c-MYC/MAX from forming a complex with target gene promoters. c-MYC mediated transcriptional activity was inhibited by KSI-3716 at concentrations as low as 1 μM. The expression of c-MYC target genes, such as cyclin D2, CDK4 and hTERT, was markedly decreased. KSI-3716 exerted cytotoxic effects on bladder cancer cells by inducing cell cycle arrest and apoptosis. Intravesical instillation of KSI-3716 at a dose of 5 mg/kg significantly suppressed tumor growth with minimal systemic toxicity.
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| ln Vitro |
Target gene promoters and c-MYC/MAX are unable to form a complex due to KSI-3716. In a dose-dependent manner, KSI-3716 efficiently inhibits the formation of complexes (IC50=0.84 μM). KSI-3716 suppresses c-MYC-mediated transcriptional activity at as low as 1 μM concentration. Significant reductions were observed in the expression of c-MYC target genes, including cyclin D2, CDK4, and hTERT. By causing cell cycle arrest and death in bladder cancer cells, KSI-3716 has cytotoxic effects [1].
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| ln Vivo |
With little systemic toxicity, intravenous injection of KSI-3716 at a dose of 5 mg/kg can dramatically limit tumor development [1].
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| References |
| Molecular Formula |
C17H11BRCL2N2O2
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| Molecular Weight |
426.091441392899
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| Exact Mass |
423.938
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| CAS # |
1151813-61-4
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| Related CAS # |
KSI-3716-d4
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| PubChem CID |
44565901
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| Appearance |
Light yellow to khaki solid powder
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| LogP |
5.7
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| Hydrogen Bond Donor Count |
2
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| Hydrogen Bond Acceptor Count |
4
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| Rotatable Bond Count |
3
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| Heavy Atom Count |
24
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| Complexity |
561
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| Defined Atom Stereocenter Count |
0
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| SMILES |
BrC1=CC=C(C2C(C(C(C)=O)=C(NC3C=CC(=CC=3)Cl)NC=21)=O)Cl
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| InChi Key |
URUPDOIKTMCJNA-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C17H11BrCl2N2O2/c1-8(23)13-16(24)14-12(20)7-6-11(18)15(14)22-17(13)21-10-4-2-9(19)3-5-10/h2-7H,1H3,(H2,21,22,24)
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| Chemical Name |
3-acetyl-8-bromo-5-chloro-2-(4-chloroanilino)-1H-quinolin-4-one
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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 : ~5 mg/mL (~11.73 mM)
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| Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.3469 mL | 11.7346 mL | 23.4692 mL | |
| 5 mM | 0.4694 mL | 2.3469 mL | 4.6938 mL | |
| 10 mM | 0.2347 mL | 1.1735 mL | 2.3469 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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