ZM 336372

Catalog No.S2720 Synonyms: Zinc00581684

For research use only.

ZM 336372 (Zinc00581684) is a potent and selective c-Raf inhibitor with IC50 of 70 nM, 10-fold selectivity over B-RAF, no inhibition to PKA/B/C, AMPK, p70S6, etc.

ZM 336372 Chemical Structure

CAS No. 208260-29-1

Selleck's ZM 336372 has been cited by 6 Publications

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Biological Activity

Description ZM 336372 (Zinc00581684) is a potent and selective c-Raf inhibitor with IC50 of 70 nM, 10-fold selectivity over B-RAF, no inhibition to PKA/B/C, AMPK, p70S6, etc.
Targets
C-Raf [1]
70 nM
In vitro

ZM 336372 shows 10-fold selectivity over B-Raf. ZM 336372 weakly inhibits SAPK2a/p38α and SAPK2b/p38β with IC50 of 2 μM, and is selective over 17 other protein kinases including PKA, PKC, AMPK, p42 MAPK, MKK1, SAPK1/JNK, and CDK1 even at the concentration of up to 50 μM. ZM 336372 does not prevent constitutive as well as growth factor or phorbol ester induced activation of MKKl or p42 MAPK/ERK2. Moreover, ZM 336372 dose not reverse the phenotype of Ras- or Raf-transformed cell lines. ZM 336372 treatment induces >100 activation of c-Raf and the B-Raf isoform, but it does not trigger any activation of MKKI or p42 MAPK/ERKP or induce any increase in the GTP-loading of Ras, suggesting that a feedback control loop exists by which Raf isoforms suppress their own activation, such that inhibition is always counterbalanced by reactivation. ZM 336372-induced activation of c-Raf is not prevented by inhibition of the MAPK cascade, protein kinase C or phosphatidylinositide 3-kinase. [1] ZM 336372 (1 μM) abolishes the upregulation of eNOS after treatment with hydrogen peroxide. [2] ZM 336372 treatment in carcinoid tumor cells results in progressive phosphorylation of Raf-1, mitogen-activated protein kinase 1/2, and extracellular signal-regulated kinase 1/2, and causes a significant reduction of bioactive hormone levels as well as the transcription factor, human achaete-scute homologue-1. Furthermore, ZM 336372 treatment leads to a marked suppression of cellular proliferation and induction of the cell cycle inhibitors p21 and p18. [3] ZM 336372 inhibits the proliferation of pheochromocytoma cells, and suppresses NE vasoactive peptide production. [4] ZM 336372 treatment in HepG2 induces the suppression of proliferation in a dose-dependent manner, suppression of hormone secretion, and up-regulation of cell cycle inhibitors. [5] ZM 336372 also induces apoptosis in pancreatic adenocarcinoma cell lines by inhibiting glycogen synthase kinase-3β through phosphorylation of GSK-3β at Ser 9. [6]

Protocol (from reference)

Kinase Assay:[1]
  • In vitro kinase assay:

    c-Raf kinase activity is assayed directly in Sl9 cell lysates. Human c-Raf is activated in Sf9 cells by cotransfection from baculovirus vectors containing DNA encoding v-Ras and Lck in the absence of ZM 336372. The cell lysates are then assayed for c-Raf activity in the presence of increasing concentrations of ZM 336372.

Cell Research:[3]
  • Cell lines: H727 and BON
  • Concentrations: Dissolved in DMSO, final concentrations ~500 μM
  • Incubation Time: 48, and 72 hours
  • Method: Cells are exposed to various concentrations of ZM 336372 for 48 and 72 hours. After incubation, the medium is removed and cells are trypsinized. Cells are incubated on ice, and 2.5 μg/mL propidium iodide is added 5 minutes before flow cytometry. Data is acquired using a FACSCalibur benchtop flow cytometer using CellQuest acquisition and analysis software. Cytotoxicity is done using Cell Titer Glo Assay. Cell proliferation is measured using MTT assay.

Solubility (25°C)

In vitro

DMSO 78 mg/mL
(200.28 mM)
Ethanol 2 mg/mL
(5.13 mM)
Water Insoluble

Chemical Information

Molecular Weight 389.45
Formula

C23H23N3O3

CAS No. 208260-29-1
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles CC1=C(C=C(C=C1)NC(=O)C2=CC(=CC=C2)N(C)C)NC(=O)C3=CC=C(C=C3)O

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

mg/kg g μL

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO % % Tween 80 % ddH2O
%DMSO %

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Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid 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 master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Molarity Calculator

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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