SU 9516

Cdk2 inhibitor CAS# 377090-84-1

SU 9516

Catalog No. BCC2398----Order now to get a substantial discount!

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Chemical structure

SU 9516

3D structure

Chemical Properties of SU 9516

Cas No. 377090-84-1 SDF Download SDF
PubChem ID 5289419 Appearance Powder
Formula C13H11N3O2 M.Wt 241.25
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 100 mg/mL (414.51 mM)
H2O : < 0.1 mg/mL (insoluble)
*"≥" means soluble, but saturation unknown.
Chemical Name (3Z)-3-(1H-imidazol-5-ylmethylidene)-5-methoxy-1H-indol-2-one
SMILES COC1=CC2=C(C=C1)NC(=O)C2=CC3=CN=CN3
Standard InChIKey QNUKRWAIZMBVCU-WCIBSUBMSA-N
Standard InChI InChI=1S/C13H11N3O2/c1-18-9-2-3-12-10(5-9)11(13(17)16-12)4-8-6-14-7-15-8/h2-7H,1H3,(H,14,15)(H,16,17)/b11-4-
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.
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.
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.

Biological Activity of SU 9516

DescriptionPotent, selective cdk2 inhibitor (IC50 values are 0.022, 0.04, 0.2, >10, >10, 18 and >100 μM for cdk2, cdk1, cdk4, PKC, p38, PDGFR and EGFR respectively). Inhibits pRb phosphorylation causing enhanced pRB/E2F complex formation and induces G1 and G2-M cell cycle arrest. Transcriptionally downregulates Mcl-1 and has antiproliferative, cytostatic and pro-apoptotic effects in vitro.

SU 9516 Dilution Calculator

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Preparing Stock Solutions of SU 9516

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 4.1451 mL 20.7254 mL 41.4508 mL 82.9016 mL 103.6269 mL
5 mM 0.829 mL 4.1451 mL 8.2902 mL 16.5803 mL 20.7254 mL
10 mM 0.4145 mL 2.0725 mL 4.1451 mL 8.2902 mL 10.3627 mL
50 mM 0.0829 mL 0.4145 mL 0.829 mL 1.658 mL 2.0725 mL
100 mM 0.0415 mL 0.2073 mL 0.4145 mL 0.829 mL 1.0363 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.

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Background on SU 9516

SU 9516 is a selective and novel inhibitor of CDK2 with IC50 value of 22 nM. Also, it inhibits CDK1, CDK4, PKC, p38, PDGFR with IC50 value of 0.04, 0.2, >10.0, >10.0, 18.0 μM, respectively [1].

Cyclin-dependent kinase 2 (CDK2) is a member of the cyclin-dependent kinase family and is a catalytic subunit of the cyclin-dependent kinase complex Cyclin E/CDK2 or Cyclin A/CDK2, which play an important role in the G1-S phase of the cell cycle [1].

In RKO cells, SU 9516 (5 μM) decreased cdk2-specific phosphorylation of pRb by 52%. While, in SW480 cells, SU9516 (5 μM) inhibited both cdk2-specific and cdk4-specific phosphorylation of pRb by 64% and 49%, respectively. Also, SU 9516 (5 μM) resulted in G0-G1 or G2-M block and induced apoptosis in a dose-dependent way [1]. In HT-29, SW480 and RKO human colon cancer cells, SU9516 (5 μM) inhibited dissociation of pRb from E2F1 in a time-dependant way. Also, SU 9516 decreased Cyclin D1 and CDK2 by 10-60% [2]. In human leukemia cells, SU 9516 (5 μM) induced Bax mitochondrial translocation, cytochrome c release and apoptosis, which were associated with down-regulation of the antiapoptotic protein Mcl-1. Also, SU 9516 induced activation of caspase-3 and -8 [3].

References:
[1].  Lane ME, Yu B, Rice A, et al. A novel cdk2-selective inhibitor, SU9516, induces apoptosis in colon carcinoma cells. Cancer Res, 2001, 61(16): 6170-6177.
[2].  Yu B, Lane ME, Wadler S. SU9516, a cyclin-dependent kinase 2 inhibitor, promotes accumulation of high molecular weight E2F complexes in human colon carcinoma cells. Biochem Pharmacol, 2002, 64(7): 1091-1100.
[3].  Gao N, Kramer L, Rahmani M, et al. The three-substituted indolinone cyclin-dependent kinase 2 inhibitor 3-[1-(3H-imidazol-4-yl)-meth-(Z)-ylidene]-5-methoxy-1,3-dihydro-indol-2-one (SU9516) kills human leukemia cells via down-regulation of Mcl-1 through a transcriptional mechanism. Mol Pharmacol, 2006, 70(2): 645-655.

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References on SU 9516

Characterization of SH-SY5Y human neuroblastoma cell growth over glass and SU-8 substrates.[Pubmed:28371423]

J Biomed Mater Res A. 2017 Aug;105(8):2129-2138.

The physical properties of substrates can have profound effects on the structure and function of cultured cells. In this study, we aimed to examine the viability, adherence, and morphological and functional variations between SH-SY5Y human neuroblastoma cells cultured on SU-8 surfaces compared with control surfaces composed of borosilicate glass, which are routinely used for cell culture. The SU-8 polymer has been extensively studied for its biocompatibility, but there has been little investigation into the characteristic differences between cells cultured on SU-8 when compared with glass. SH-SY5Y cells were cultured within polydimethylsiloxane wells on both SU-8 and glass substrates for up to 72 h after which flow cytometry and enzyme-linked immunosorbent assay analysis was performed to examine cell viability and neurotoxicity. Immunocytochemistry was also performed to analyze the morphological and functional characteristics of the cells. Atomic force microscopy was performed to measure surface roughness and to map cell-substrate interactions. Nanoindentation testing was used to characterize the mechanical properties of polymer surface. Results showed that SH-SY5Y cells grown on SU-8 have significantly improved viability and increased morphological and functional characteristics of neurodevelopment. The results from this study suggest that the mechanical properties of the polymer are optimal for the study of cultured cell lines, which could account for the increased viability, adherence, and morphological and functional characteristics of neurodevelopment. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 2129-2138, 2017.

Likelihood analysis of supersymmetric SU(5) GUTs.[Pubmed:28260982]

Eur Phys J C Part Fields. 2017;77(2):104.

We perform a likelihood analysis of the constraints from accelerator experiments and astrophysical observations on supersymmetric (SUSY) models with SU(5) boundary conditions on soft SUSY-breaking parameters at the GUT scale. The parameter space of the models studied has seven parameters: a universal gaugino mass [Formula: see text], distinct masses for the scalar partners of matter fermions in five- and ten-dimensional representations of SU(5), [Formula: see text] and [Formula: see text], and for the [Formula: see text] and [Formula: see text] Higgs representations [Formula: see text] and [Formula: see text], a universal trilinear soft SUSY-breaking parameter [Formula: see text], and the ratio of Higgs vevs [Formula: see text]. In addition to previous constraints from direct sparticle searches, low-energy and flavour observables, we incorporate constraints based on preliminary results from 13 TeV LHC searches for jets + [Formula: see text] events and long-lived particles, as well as the latest PandaX-II and LUX searches for direct Dark Matter detection. In addition to previously identified mechanisms for bringing the supersymmetric relic density into the range allowed by cosmology, we identify a novel [Formula: see text] coannihilation mechanism that appears in the supersymmetric SU(5) GUT model and discuss the role of [Formula: see text] coannihilation. We find complementarity between the prospects for direct Dark Matter detection and SUSY searches at the LHC.

Promotion and guidance of neural network formation on SU-8 photoresist microchannels adjusted with multilayer films.[Pubmed:28269265]

Conf Proc IEEE Eng Med Biol Soc. 2016 Aug;2016:4447-4450.

Induction of neural stem/progenitor cells (NSPCs) and establishment of neural network are important issues on neural engineering. In this work, a platform was designed to control and evaluate the differentiation of NSPCs, neurite direction, and to promote the neurite outgrowth. Polyelectrolyte multilayer (PEM) films provide surface properties by and have been used to regulate NSPCs differentiation in our previous study. Herein, a culture platform composed of SU-8 microchannel and PEM films was designed to achieve the goal of promoting NSPCs differentiation and to evaluate the effect of PEM films on the guidance of neural network formation. In this culture platform, NSPCs were induced into functional neurons, and neural network formation was accomplished on ITO glass-PEM films successfully.

Prospective association between adherence to the Mediterranean diet and risk of depressive symptoms in the French SU.VI.MAX cohort.[Pubmed:28283824]

Eur J Nutr. 2018 Apr;57(3):1225-1235.

PURPOSE: This study examines whether adherence to the Mediterranean Diet (MD) measured by several dietary indexes was associated with incident depressive symptoms in a large French cohort. METHODS: The study sample consisted of 3523 participants from the Supplementation en Vitamines et Mineraux Antioxydants (SU.VI.MAX) cohort who had at least three dietary records at baseline during the first 2 years of follow-up (1994-1996), free of depression at the beginning of the study (1996-1997) and available Center for Epidemiologic Studies Depression Scale (CES-D) data at the end of follow-up (2007-2009). The rMED was computed. Incident depressive symptoms were defined by a CES-D score >/=17 for men and >/=23 for women in 2007-2009. Odds ratios (OR) and 95% confidence intervals (95% CI) were estimated using multivariable logistic regression models. Several sensitivity analyses were performed. RESULTS: In the present study, 172 incident cases of depressive symptoms were identified during the follow-up (mean = 12.6 years). After adjustment for a wide range of potential confounders, adherence to the rMED score (continuous variable) was significantly associated with incident depressive symptoms in men (OR 0.91; 95% CI 0.83-0.99; p = 0.03), but not in women. Use of the Literature-Based Adherence Score to the Mediterranean Diet (LAMD) and the classic MD score (MDS) provide similar findings. CONCLUSIONS: In the current study, higher adherence to the Mediterranean Diet at midlife was associated with a lower risk of incident depressive symptoms, particularly in men, increasing scientific evidence for a beneficial role of Mediterranean Diet on health. Further investigations in particular among women are needed.

The three-substituted indolinone cyclin-dependent kinase 2 inhibitor 3-[1-(3H-imidazol-4-yl)-meth-(Z)-ylidene]-5-methoxy-1,3-dihydro-indol-2-one (SU9516) kills human leukemia cells via down-regulation of Mcl-1 through a transcriptional mechanism.[Pubmed:16672643]

Mol Pharmacol. 2006 Aug;70(2):645-55.

Mechanisms of lethality of the three-substituted indolinone and putatively selective cyclin-dependent kinase (CDK)2 inhibitor 3-[1-(3H-imidazol-4-yl)-meth-(Z)-ylidene]-5-methoxy-1,3-dihydro-indol-2-one (SU9516) were examined in human leukemia cells. Exposure of U937 and other leukemia cells to SU9516 concentrations > or =5 microM rapidly (i.e., within 4 h) induced cytochrome c release, Bax mitochondrial translocation, and apoptosis in association with pronounced down-regulation of the antiapoptotic protein Mcl-1. These effects were associated with inhibition of phosphorylation of the carboxyl-terminal domain (CTD) of RNA polymerase (Pol) II on serine 2 but not serine 5. Reverse transcription-polymerase chain reaction analysis revealed pronounced down-regulation of Mcl-1 mRNA levels in SU9516-treated cells. Similar results were obtained in Jurkat and HL-60 leukemia cells. Furthermore, cotreatment with the proteasome inhibitor N-benzoyloxycarbonyl (Z)-Leu-Leu-leucinal (MG132) blocked SU9516-mediated Mcl-1 down-regulation, implicating proteasomal degradation in diminished expression of this protein. Ectopic expression of Mcl-1 largely blocked SU9516-induced cytochrome c release, Bax translocation, and apoptosis, whereas knockdown of Mcl-1 by small interfering RNA potentiated SU9516 lethality, confirming the functional contribution of Mcl-1 down-regulation to SU9516-induced cell death. It is noteworthy that SU9516 treatment resulted in a marked increase in reactive oxygen species production, which was diminished, along with cell death, by the free radical scavenger N-acetylcysteine (NAC). We were surprised to find that NAC blocked SU9516-mediated inhibition of RNA Pol II CTD phosphorylation on serine 2, reductions in Mcl-1 mRNA levels, and Mcl-1 down-regulation. Together, these findings suggest that SU9516 kills leukemic cells through inhibition of RNA Pol II CTD phosphorylation in association with oxidative damage and down-regulation of Mcl-1 at the transcriptional level, culminating in mitochondrial injury and cell death.

SU9516, a cyclin-dependent kinase 2 inhibitor, promotes accumulation of high molecular weight E2F complexes in human colon carcinoma cells.[Pubmed:12234612]

Biochem Pharmacol. 2002 Oct 1;64(7):1091-100.

The E2F family plays a critical role in the expression of genes required for entry into and progression through S phase. E2F-mediated transcription is repressed by the tumor suppressor retinoblastoma protein (pRb), which results in sequestration of E2F in a multiprotein complex that includes pRb. Derepression of E2F results from a series of complex phosphorylation events mediated by cyclin D/cdk4 and cyclin E/cdk2. We have employed a novel 3-substituted indolinone compound, 3-[1-(3H-imidazol-4-yl)-meth-(Z)-ylidene]-5-methoxy-1,3-dihydro-indol-2-one (SU9516), which selectively inhibits cdk2 activity (Lane et al., Cancer Res 2001;61:6170-7) to investigate these events. Electrophoretic mobility gel shift assays were performed on SU9516-treated and -untreated HT-29, SW480, and RKO human colon cancer cell extracts. Treatment with 5 microM SU9516 prevented dissociation of pRb from E2F1 in all cell lines (HT-29>RKO>SW480). Treatment effects were time-dependent, demonstrating greater inhibition at 48 hr versus 24hr in HT-29 cells. Furthermore, E2F species were sequestered in complexes with p107, p130, DP-1, and cyclins A and E. After a 24-hr treatment with 5 microM SU9516, cyclin D1 and cdk2 levels decreased by 10-60%. These findings delineate a previously undescribed mechanism for SU9516-mediated cell growth arrest through down-regulation of cyclin D1, inhibition of cdk2 levels and activity, and pan-sequestration of E2F.

A novel cdk2-selective inhibitor, SU9516, induces apoptosis in colon carcinoma cells.[Pubmed:11507069]

Cancer Res. 2001 Aug 15;61(16):6170-7.

Recent studies have indicated that the development of cyclin-dependent kinase (cdk)2 inhibitors that deregulate E2F are a plausible pharmacological strategy for novel antineoplastic agents. We show here that 3-[1-(3H-Imidazol-4-yl)-meth-(Z)-ylidene]-5-methoxy-1,3-dihydro-indol-2-one (SU9516), a novel 3-substituted indolinone compound, binds to and selectively inhibits the activity of cdk2. This inhibition results in a time-dependent decrease (4-64%) in the phosphorylation of the retinoblastoma protein pRb, an increase in caspase-3 activation (5-84%), and alterations in cell cycle resulting in either a G(0)-G(1) or a G(2)-M block. We also report here cell line differences in the cdk-dependent phosphorylation of pRb. These findings demonstrate that SU9516 is a selective cdk2 inhibitor and support the theory that compounds that inhibit cdk2 are viable resources in the development of new antineoplastic agents.

Description

SU9516 is a potent CDK2 inhibitor, with an IC50 of 22 nM, and also shows inhibitory effects on CDK1 and CDK4, with IC50s of 40, 200 nM, respectively.

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