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DEL-22379

inhibitor of the dimerization of ERK CAS# 181223-80-3

DEL-22379

Catalog No. BCC6521----Order now to get a substantial discount!

Product Name & Size Price Stock
DEL-22379:5mg $140.00 In stock
DEL-22379:10mg $238.00 In stock
DEL-22379:25mg $560.00 In stock
DEL-22379:50mg $980.00 In stock
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Chemical structure

DEL-22379

3D structure

Chemical Properties of DEL-22379

Cas No. 181223-80-3 SDF Download SDF
PubChem ID 11224574 Appearance Powder
Formula C26H28N4O3 M.Wt 444.53
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 30 mg/mL (67.49 mM)
*"≥" means soluble, but saturation unknown.
Chemical Name N-[(3Z)-3-[(5-methoxy-1H-indol-3-yl)methylidene]-2-oxo-1H-indol-5-yl]-3-piperidin-1-ylpropanamide
SMILES COC1=CC2=C(C=C1)NC=C2C=C3C4=C(C=CC(=C4)NC(=O)CCN5CCCCC5)NC3=O
Standard InChIKey INQUULPXCZAKMS-XKZIYDEJSA-N
Standard InChI InChI=1S/C26H28N4O3/c1-33-19-6-8-23-20(15-19)17(16-27-23)13-22-21-14-18(5-7-24(21)29-26(22)32)28-25(31)9-12-30-10-3-2-4-11-30/h5-8,13-16,27H,2-4,9-12H2,1H3,(H,28,31)(H,29,32)/b22-13-
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 DEL-22379

DescriptionERK dimerization inhibitor (IC50 ~ 0.5 μM); inhibits ERK dimerization without effecting phosphorylation or kinase activity. Suppresses growth of tumor cells expressing RAS-ERK oncogenes in vitro. Induces apoptosis and prevents tumor progression in vivo.

Protocol

Cell Assay [1]
HEK293T cells are plated at a density of 1,000-2,000 cells/well and treated with DEL-22379 (0.2-1 μ M) for 48 hr, Alamar Blue is added, and the colorimetric change is measured at 570 and 600 nm. GI50 is estimated by nonlinear regression using GraphPad5 Prism Software. Apoptosis is analyzed by evaluating caspase 3 activity, either by western blotting or using the Caspase-Glo 3/7 luminogenic assay[1].

Animal Administration [1]
Mice[1] Cancer cells are xenografted in female, athymic nu/nu mice of 8 weeks of age. 3×106 cells are injected subcutaneously in the lateral flank and allowed to develop for 10-15 days before treatment with DEL-22379 at 15 mg/kg every 12 hr for 2 weeks. patient-derived xenografts (PDXs) are performed using patient-derived colorectal cancer cells harboring BRAFV600E from non-necrotic areas of primary adenocarcinomas from patients that undergo surgical resection. Cells are grafted in both flanks or in the cecum of NOD-SCID mice. DEL-22379 is administered by intra-peritoneal injection at a concentration of 15 mg/kg every 12 hr for 30 days[1].

References:
[1]. Herrero A, et al. Small Molecule Inhibition of ERK Dimerization Prevents Tumorigenesis by RAS-ERK Pathway Oncogenes. Cancer Cell. 2015 Aug 10;28(2):170-82.

DEL-22379 Dilution Calculator

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Preparing Stock Solutions of DEL-22379

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.2496 mL 11.2478 mL 22.4957 mL 44.9913 mL 56.2392 mL
5 mM 0.4499 mL 2.2496 mL 4.4991 mL 8.9983 mL 11.2478 mL
10 mM 0.225 mL 1.1248 mL 2.2496 mL 4.4991 mL 5.6239 mL
50 mM 0.045 mL 0.225 mL 0.4499 mL 0.8998 mL 1.1248 mL
100 mM 0.0225 mL 0.1125 mL 0.225 mL 0.4499 mL 0.5624 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 DEL-22379

DEL-22379 is an inhibitor of the dimerization of ERK with IC50 values ranging from 150-400 nM regardless of genotypes in oncogenic cells [1].

As an spatial regulator of ERK signals, ERK dimerization is essential. Impeding ERK dimerization can result in the impeding of ERK signals’ extranuclear component and hence result in curtailing tumor development and cellular transformation [1].

In HEK293 cells, DEL-22379 abolished EGF-stimulated ERK dimerization. In these cells, the EGF-induced co-immunoprecipitation of hemagglutinin- or FLAG epitopes- tagged ectopic ERK2 molecules, was abolished by DEL-22379 with an IC50 value of ~0.5 µM. In both assays, the inhibition of DEL-22379 to ERK dimerization was not associated with ERK phosphorylation. In the cytoplasm of EGF-stimulated HeLa cells, ERK dimerization was prominent, but previous treatment with DEL-22379 also resulted in no detected ERK dimmers [1].

In nude mice with some of the aforementioned tumor cell lines, DEL-22379 at a dose of 15 mg/kg inhibited ERK dimerization evidently in xenografted tumors and in liver extracts. DEL-22379 inhibited the tumor progression of A375 cells (BRAF mutant) markedly. Activated-RAS-driven tumors were very sensitive to DEL-22379. Data indicated that tumorigenesis had greater requirements for ERK dimerization than for proliferation. In tumors, treatment with DEL-22379 resulted in extensive mucinous differentiation and cell death [1].

Reference:
[1].  Herrero A, Pinto A, Colón-Bolea P, et al. Small molecule inhibition of ERK dimerization prevents tumorigenesis by RAS-ERK pathway oncogenes. Cancer cell, 2015, 28(2): 170-182.

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References on DEL-22379

Small Molecule Inhibition of ERK Dimerization Prevents Tumorigenesis by RAS-ERK Pathway Oncogenes.[Pubmed:26267534]

Cancer Cell. 2015 Aug 10;28(2):170-82.

Nearly 50% of human malignancies exhibit unregulated RAS-ERK signaling; inhibiting it is a valid strategy for antineoplastic intervention. Upon activation, ERK dimerize, which is essential for ERK extranuclear, but not for nuclear, signaling. Here, we describe a small molecule inhibitor for ERK dimerization that, without affecting ERK phosphorylation, forestalls tumorigenesis driven by RAS-ERK pathway oncogenes. This compound is unaffected by resistance mechanisms that hamper classical RAS-ERK pathway inhibitors. Thus, ERK dimerization inhibitors provide the proof of principle for two understudied concepts in cancer therapy: (1) the blockade of sub-localization-specific sub-signals, rather than total signals, as a means of impeding oncogenic RAS-ERK signaling and (2) targeting regulatory protein-protein interactions, rather than catalytic activities, as an approach for producing effective antitumor agents.

Targeting RAS-mutant cancers: is ERK the key?[Pubmed:26858988]

Trends Cancer. 2015 Nov 1;1(3):183-198.

The three RAS genes comprise the most frequently mutated oncogene family in cancer. With significant and compelling evidence that continued function of mutant RAS is required for tumor maintenance, it is widely accepted that effective anti-RAS therapy will have a significant impact on cancer growth and patient survival. However, despite more than three decades of intense research and pharmaceutical industry efforts, a clinically effective anti-RAS drug has yet to be developed. With the recent renewed interest in targeting RAS, exciting and promising progress has been made. In this review, we discuss the prospects and challenges of drugging oncogenic RAS. In particular we focus on new inhibitors of RAS effector signaling and the ERK mitogen-activated protein kinase cascade.

Description

DEL-22379 is an ERK dimerization Inhibitor. DEL-22379 readily binds to ERK2 with a Kd estimated in the low micromolar range, though binding is detectable even at low nanomolar concentrations. ERK2 dimerization is progressively inhibited with an IC50 of ~0.5 μM.

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