SNS-032 (BMS-387032)CDK inhibitor CAS# 345627-80-7 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
Cas No. | 345627-80-7 | SDF | Download SDF |
PubChem ID | 3025986 | Appearance | Powder |
Formula | C17H24N4O2S2 | M.Wt | 380.53 |
Type of Compound | N/A | Storage | Desiccate at -20°C |
Synonyms | BMS-387032 | ||
Solubility | DMSO : 33.33 mg/mL (87.59 mM; Need ultrasonic) | ||
Chemical Name | N-[5-[(5-tert-butyl-1,3-oxazol-2-yl)methylsulfanyl]-1,3-thiazol-2-yl]piperidine-4-carboxamide | ||
SMILES | CC(C)(C)C1=CN=C(O1)CSC2=CN=C(S2)NC(=O)C3CCNCC3 | ||
Standard InChIKey | OUSFTKFNBAZUKL-UHFFFAOYSA-N | ||
Standard InChI | InChI=1S/C17H24N4O2S2/c1-17(2,3)12-8-19-13(23-12)10-24-14-9-20-16(25-14)21-15(22)11-4-6-18-7-5-11/h8-9,11,18H,4-7,10H2,1-3H3,(H,20,21,22) | ||
General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. |
Description | Potent inhibitor of cyclin-dependent kinases (cdks) 9, 2 and 7 (IC50 values are 4, 38 and 62 nM respectively). Displays no activity against 190 additional kinases (IC50 >1000 nM). Arrests the cell cycle at G2/M; inhibits transcription, proliferation and colony formation, and induces apoptosis in RPMI-8226 multiple myeloma cells. Prevents tumor cell-induced VEGF secretion and in vitro angiogenesis. |
SNS-032 (BMS-387032) Dilution Calculator
SNS-032 (BMS-387032) Molarity Calculator
1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
1 mM | 2.6279 mL | 13.1396 mL | 26.2791 mL | 52.5583 mL | 65.6978 mL |
5 mM | 0.5256 mL | 2.6279 mL | 5.2558 mL | 10.5117 mL | 13.1396 mL |
10 mM | 0.2628 mL | 1.314 mL | 2.6279 mL | 5.2558 mL | 6.5698 mL |
50 mM | 0.0526 mL | 0.2628 mL | 0.5256 mL | 1.0512 mL | 1.314 mL |
100 mM | 0.0263 mL | 0.1314 mL | 0.2628 mL | 0.5256 mL | 0.657 mL |
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. |
Abstract
SNS-032, a CDK inhibitor, exhibited modest to high anti-neuroblastoma activity against a panel of 109 neuroblastoma cell lines in the range of the therapeutic plasma levels reported for SNS-032 through a mechanism involving CDK7 and CDK9 inhibition-mediated down-regulation of XIAP, Mcl-1, BIRC2, cIAP-1 and surviving.
Abstract
The anti-AML mechanism of SNS-032, a cyclin-dependent kinase inhibitor, has been identified though characterizing in vitro effects of SNS-032 alone or in combination with perifosine.
Abstract
Although it induces apoptosis in cancer cells, SNS-032 has no significant effects on normal HSC and HPC in terms of self-renewal inhibition, differentiation suppression and apoptosis induction.
Abstract
The CDK7/9 inhibitor SNS-032-induced down-regulation of FIP1L1-PDGFRα and Bcr-Abl has the potential to be used to decrease the acquired resistant to imatinib.
Abstract
SNS-032, a CDK inhibitor, alone or in combination with Ara-C exhibited potent anti-AML activity, where down-regulation of antiapoptotic genes, cluding BCL2, XIAP amd MCL1, was associated with the synergistic anti-AML effect of the combination treatment.
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SNS-032 (BMS-387032) is a potent and selective inhibitor of cyclin-dependent kinases (CDKs) 2, 7, and 9 [1], with IC50 values of 38 nM, 62 nM and 4 nM, respectively [2].
CDKs mean a family of serine/threonine kinases regulating cell cycle process. Some CDKs are related to transcription control and are often perturbed in cancer cells [3].
Decrease in the phosphorylation at Ser5 and Ser2 in the C-terminal domain (CTD) of RNA Pol II can indicate the inhibition to CDK9 and CDK7 [1]. Chronic lymphocytic leukemia (CLL) cells treated with SNS-032 for 6 or 24 hours showed a decrease in the phosphorylation of Ser2 and Ser5 of the CTD of RNA Pol II, this appeared to be both time- and concentration- dependent, and remarkably consistent among samples. For the phosphorylation of Ser2, the inhibition of SNS-032 was greater than that for the phosphorylation of Ser5, this was consistent with the fact that IC50 for the inhibition of CDK9 was lower compared with that for the inhibition of CDK7 (4 nM vs 62 nM). After 6 hours of SNS-032 exposure, protein levels of CDK7 and CDK9 were stable, but declined at 24 hours [4].
In patients with chronic lymphocytic leukemia (CLL), infusion of SNS-032 in a total dose of 75 mg/m2 resulted in a decrease in the phosphorylation at Ser5 and Ser2 in the C-terminal domain of RNA Pol II. This indicated the inhibition to Cdk9 and Cdk7 by SNS-032. This inhibition was first seen 2 hours after the beginning of the infusion with SNS-032, was pronounced after 6 hours and returned to baseline after 24 hours [1].
References:
[1]. Tong W.G., Chen R., Plunkett W., et al. Phase I and Pharmacologic Study of SNS-032, a Potent and Selective Cdk2, 7, and 9 Inhibitor, in Patients With Advanced Chronic Lymphocytic Leukemia and Multiple Myeloma. Journal of Clinical Oncology, 2010, 28(18):3015- 3022.
[2]. Chipumuro E., Marco E., Christensen C.L., et al. CDK7 Inhibition Suppresses Super-Enhancer-Linked Oncogenic Transcription in MYCN-Driven Cancer. Cell, 2014, 159:1-14.
[3]. Meng H., Jin Y.M., Liu H., et al. SNS-032 inhibits mTORC1/mTORC2 activity in acute myeloid leukemia cells and has synergistic activity with perifosine against Akt. Journal of Hematology & Oncology, 2013, 6:18.
[4]. Chen R., Wierda W.G., Chubb S., et al. Mechanism of action of SNS032, a novel cyclin-dependent kinase inhibitor, in chronic lymphocytic leukemia. Blood, 2009, 113(19):4637-4645.
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A phase 1 study of SNS-032 (formerly BMS-387032), a potent inhibitor of cyclin-dependent kinases 2, 7 and 9 administered as a single oral dose and weekly infusion in patients with metastatic refractory solid tumors.[Pubmed:17938863]
Invest New Drugs. 2008 Feb;26(1):59-65.
PURPOSE: SNS-032, (formerly BMS-387032) is a potent and selective inhibitor of cyclin-dependent kinases (CDK) 2, 7 and 9. The primary objective of the study was to establish the maximum tolerated dose (MTD), the maximum administered dose (MAD), dose limiting toxicity (DLT), and the recommended phase 2 dose for SNS-032 when administered as a weekly 1-h infusion. The secondary objective was to assess the safety and tolerability of SNS-032 and to evaluate its bioavailability as an oral solution. METHODS: Patients with metastatic solid tumors or refractory lymphoma were treated with a starting dose of 4 mg/m2 intravenously administered over 1-h with a cycle defined as 3 weekly doses of SNS-032 every 21 days. Three patient cohorts were utilized in the dose-escalation schema. Pharmacokinetic studies were performed. For the 13 and 16 mg/m2 dose cohorts, the first dose of cycle 2 was given as an oral solution to estimate the oral bioavailability of the drug in humans. RESULTS: A total of 21 patients were enrolled. Twenty treated patients received a total of 39 cycles of treatment. The most common treatment-related adverse events occurring with greater than 20% incidence were fatigue (25%) and nausea (20%). Following intravenous administration, plasma concentrations declined in a biphasic manner, resulting in mean terminal half-lives between 5 and 10 hours. The mean Cmax and AUC0-inf increased nearly linearly with dose, ranging from 0.067 to 0.287 microg/ml and 0.103 to 0.553 microg h/ml, respectively. The CL and Vss remained unchanged with increasing dose levels, averaging 38 l/h/m2 and 212 l/m2, respectively. Average oral bioavailability was 19% (range: 4-33%). Three (15%) patients experienced a best response of stable disease. Study enrollment was terminated during dose-escalation due to a change in the development strategy for the study drug. CONCLUSIONS: SNS-032 administered as a weekly 1-h infusion was well tolerated, although study enrollment was terminated during dose-escalation and the MTD of SNS-032 administered intravenously on days 1, 8, and 15 of each treatment cycle was not reached. Tumor progression or stable disease was determined to be the best response in all evaluable patients. At the dose levels tested, the oral bioavailability of SNS-032 ranged from 4-33%. The data suggest that oral administration of SNS-032 may be feasible, though the tolerability and bioavailability of the oral formulation would have to be formally assessed.
Responses in mantle cell lymphoma cells to SNS-032 depend on the biological context of each cell line.[Pubmed:20663900]
Cancer Res. 2010 Aug 15;70(16):6587-97.
SNS-032 is a potent inhibitor of cyclin-dependent kinases (Cdk) 2, 7, and 9 that regulate the cell cycle and transcription. Our studies in indolent primary chronic lymphocytic leukemia cells showed that SNS-032 inhibited transcription, diminished the antiapoptotic protein Mcl-1, and induced apoptosis. The present study focuses on evaluating this compound in four proliferating mantle cell lymphoma lines (Jeko-1, Granta 519, Mino, and SP-53). Consistent with its action against Cdk9 and Cdk7, SNS-032 inhibited the phosphorylation of RNA pol II in all four lines and blocked RNA synthesis. The transcripts and protein levels of short-lived proteins decreased, including cyclin D1 and Mcl-1. Cell growth was inhibited in a concentration-dependent manner in all lines. Apoptosis was induced in JeKo-1, Mino, and SP-53 cells without disrupting cell cycle distribution. However, apoptosis was limited in Granta cells; rather, there was a significant reduction of clonogenic survival. Small interfering RNA was used to specifically knock down Mcl-1 and cyclin D1 in JeKo-1 and Granta cells. Knocking down Mcl-1 induced significant apoptosis in Jeko-1 cells but not Granta cells. Reducing cyclin D1, rather than Mcl-1, was associated with loss of clonogenic survival in Granta cells. Thus, these results indicated that mantle cell lymphoma cell lines have distinct mechanisms sustaining their survival, and the mechanism of action of SNS-032 is dependent on the biological context of an individual line.
SNS-032 is a potent and selective CDK 2, 7 and 9 inhibitor that drives target modulation in patient samples.[Pubmed:19169685]
Cancer Chemother Pharmacol. 2009 Sep;64(4):723-32.
PURPOSE: SNS-032 (formerly BMS-387032) is a potent, selective inhibitor of cyclin-dependent kinases (CDK) 2, 7 and 9, currently in phase 1 clinical trial for chronic lymphocytic leukemia (CLL) and multiple myeloma (MM). We used the MM cell line RPMI-8226 to evaluate the relationship between duration of SNS-032 exposure, target modulation of CDKs 2, 7 and 9, and induction of apoptosis. We also assessed target modulation in patient peripheral blood mononuclear cells (PBMCs) from phase 1 solid tumor patients treated with SNS-032. METHODS: Proliferation and colony forming assays were used to evaluate cytotoxicity, Western blot analyses to evaluate target modulation, FACS analysis to assess cell cycle distribution, RT-PCR to evaluate transcriptional inhibition. RESULTS: SNS-032 blocks the cell cycle via inhibition of CDKs 2 and 7, and transcription via inhibition of CDKs 7 and 9. Treatment of RPMI-8226 MM cells at 300 nM (IC(90)) for 6 h was sufficient for commitment to apoptosis. This correlated with inhibition of CDKs 2, 7 and 9, as reflected in substrate signaling molecules. SNS-032 activity was unaffected by human serum. Target modulation was observed in PBMC from treated patients. CONCLUSIONS: These results demonstrate SNS-032 target modulation of CDKs 2, 7 and 9, and establish 6 h exposure as sufficient to commit RPMI-8226 MM cells to apoptosis. Combined with the demonstration of target modulation in PBMC from phase 1 solid tumor patients treated with SNS-032, these data support the ongoing clinical study of SNS-032 in MM and CLL.
SNS-032 prevents tumor cell-induced angiogenesis by inhibiting vascular endothelial growth factor.[Pubmed:17534442]
Neoplasia. 2007 May;9(5):370-81.
Cell proliferation, migration, and capillary network formation of endothelial cells are the fundamental steps for angiogenesis, which involves the formation of new blood vessels. The purpose of this study is to investigate the effect of a novel aminothiazole SNS-032 on these critical steps for in vitro angiogenesis using a coculture system consisting of human umbilical vein endothelial cells (HUVECs) and human glioblastoma cells (U87MG). SNS-032 is a potent selective inhibitor of cyclin-dependent kinases 2, 7, and 9, and inhibits both transcription and cell cycle. In this study, we examined the proliferation and viability of HUVECs and U87MG cells in the presence of SNS-032 and observed a dose-dependent inhibition of cellular proliferation in both cell lines. SNS-032 inhibited threedimensional capillary network formations of endothelial cells. In a coculture study, SNS-032 completely prevented U87MG cell-mediated capillary formation of HUVECs. This inhibitor also prevented the migration of HUVECs when cultured alone or cocultured with U87MG cells. In addition, SNS-032 significantly prevented the production of vascular endothelial growth factor (VEGF) in both cell lines, whereas SNS-032 was less effective in preventing capillary network formation and migration of endothelial cells when an active recombinant VEGF was added to the medium. In conclusion, SNS-032 prevents in vitro angiogenesis, and this action is attributable to blocking of VEGF.
N-(cycloalkylamino)acyl-2-aminothiazole inhibitors of cyclin-dependent kinase 2. N-[5-[[[5-(1,1-dimethylethyl)-2-oxazolyl]methyl]thio]-2-thiazolyl]-4- piperidinecarboxamide (BMS-387032), a highly efficacious and selective antitumor agent.[Pubmed:15027863]
J Med Chem. 2004 Mar 25;47(7):1719-28.
N-Acyl-2-aminothiazoles with nonaromatic acyl side chains containing a basic amine were found to be potent, selective inhibitors of CDK2/cycE which exhibit antitumor activity in mice. In particular, compound 21 [N-[5-[[[5-(1,1-dimethylethyl)-2-oxazolyl]methyl]thio]-2-thiazolyl]-4-piperidinec arboxamide, BMS-387032], has been identified as an ATP-competitive and CDK2-selective inhibitor which has been selected to enter Phase 1 human clinical trials as an antitumor agent. In a cell-free enzyme assay, 21 showed a CDK2/cycE IC(50) = 48 nM and was 10- and 20-fold selective over CDK1/cycB and CDK4/cycD, respectively. It was also highly selective over a panel of 12 unrelated kinases. Antiproliferative activity was established in an A2780 cellular cytotoxicity assay in which 21 showed an IC(50) = 95 nM. Metabolism and pharmacokinetic studies showed that 21 exhibited a plasma half-life of 5-7 h in three species and moderately low protein binding in both mouse (69%) and human (63%) serum. Dosed orally to mouse, rat, and dog, 21 showed 100%, 31%, and 28% bioavailability, respectively. As an antitumor agent in mice, 21 administered at its maximum-tolerated dose exhibited a clearly superior efficacy profile when compared to flavopiridol in both an ip/ip P388 murine tumor model and in a s.c./i.p. A2780 human ovarian carcinoma xenograft model.