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Tazemetostat

🥰Excellent
Catalog No. T1788Cas No. 1403254-99-8
Alias EPZ6438, E-7438

Tazemetostat (EPZ6438) is a histone methyltransferase EZH2 inhibitor (IC50=11 nM) that is orally active, selective, and SAM-competitive. Tazemetostat exhibits antitumor activity and may be used for the treatment of epithelioid sarcoma/follicular lymphoma.

Tazemetostat

Tazemetostat

🥰Excellent
Purity: 99.82%
Catalog No. T1788Alias EPZ6438, E-7438Cas No. 1403254-99-8
Tazemetostat (EPZ6438) is a histone methyltransferase EZH2 inhibitor (IC50=11 nM) that is orally active, selective, and SAM-competitive. Tazemetostat exhibits antitumor activity and may be used for the treatment of epithelioid sarcoma/follicular lymphoma.
Pack SizePriceAvailabilityQuantity
5 mg56 €In Stock
10 mg76 €In Stock
50 mg107 €In Stock
100 mg167 €In Stock
200 mg252 €In Stock
500 mg472 €In Stock
1 mL x 10 mM (in DMSO)69 €In Stock
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Purity:99.82%
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Product Introduction

Bioactivity
Description
Tazemetostat (EPZ6438) is a histone methyltransferase EZH2 inhibitor (IC50=11 nM) that is orally active, selective, and SAM-competitive. Tazemetostat exhibits antitumor activity and may be used for the treatment of epithelioid sarcoma/follicular lymphoma.
Targets&IC50
EZH2:2.5 nM(Ki)
In vitro
METHODS: Synovial sarcoma cells Fuji and HS-SY-II were treated with Tazemetostat (0.039-20 µmol/L) for 14 days, and cell viability was measured using the CellTiter-Glo Luminescent Cell Viability Assay.
RESULTS: Concentration-dependent reduction of cell proliferation was observed in Tazemetostat-treated Fuji and HS-SY-II cells, with IC50 values of 0.15 µmol/L and 0.52 µmol/L, respectively. [1]
METHODS: Human renal cancer cells G401 and human malignant embryonic rhabdomyosarcoma cells RD were treated with Tazemetostat (0.006-1100 nM) for 4 days, and the expression levels of the target proteins were detected by Western Blot.
RESULTS: Tazemetostat treatment resulted in a concentration-dependent decrease in overall H3K27Me3 levels. [2]

Translated with DeepL.com (free version)
In vivo
METHODS: To assay antitumor activity in vivo, Tazemetostat (125-500 mg/kg, 0.5% NaCMC plus 0.1% Tween 80 in water) was administered orally to SCID mice harboring human renal carcinoma tumor G401 twice a day for twenty-eight days.
RESULTS: Tazemetostat caused complete and sustained regression of SMARCB1 mutant MRT xenografts. [1]
METHODS: To investigate the role in subarachnoid hemorrhage (SAH)-induced neuroinflammation, Tazemetostat (1-9 mg/kg) was administered intraperitoneally to a rat model of subarachnoid hemorrhage induced by endovascular perforation.
RESULTS: Inhibition of EZH2 by Tazemetostat attenuated neuroinflammation after SAH in rats via the H3K27me3/SOCS3/TRAF6/NF-κB signaling pathway. [3]
Kinase Assay
Biochemical Methods: EPZ-6438 is incubated for 30 min with 40 μL per well of 5 nM PRC2 (final assay concentration in 50 μL is 4 nM ) in 1X assay buffer (20 mM Bicine [pH 7.6], 0.002% Tween-20, 0.005% Bovine Skin Gelatin and 0.5 mM DTT). 10 μL per well of substrate mix comprising assay buffer 3 H-SAM, unlabeled SAM, and peptide representing histone H3 residues 21-44 containing C-terminal biotin (appended to a C-terminal amide-capped lysine) are added to initiate the reaction (both substrates are present in the final reaction mixture at their respective Km values, an assay format referred to as ‘‘balanced conditions''. The final concentrations of substrates and methylation state of the substrate peptide are indicated for each enzyme Reactions are incubated for 90 min at room temperature and quenched with 10 μL per well of 600 μM unlabeled SAM, Then transferred to a 384-well flashplate and washed after 30 min.
Cell Research
For the adherent cell line proliferation assays, plating densities for each cell line are determined based on growth curves (measured by ATP content) and density over a 7-d time course. On the day before compound treatment, cells are plated in either 96-well plates in triplicate (for the day 0–7 time course) or 6-well plates (for replating on day 7 for the remainder of the time course). On day 0, cells are either untreated, DMSO-treated, or treated with EPZ-6438 starting at 10 μM and decreasing in either threefold or fourfold dilutions. Plates are read on day 0, day 4, and day 7 using Cell Titer Glo, with compound/media being replenished on day 4. On day 7, the six-well plates are trypsinized, centrifuged, and resuspended in fresh media for counting by Vi-Cell. Cells from each treatment are replated at the original density in 96-well plates in triplicate. Cells are allowed to adhere to the plate overnight, and cells are treated as on day 0. On days 7, 11, and 14, plates are read using Cell Titer Glo, with compound/media being replenished on day 11. Averages of triplicates are used to plot proliferation over the time course, and calculate IC50 values. For cell cycle and apoptosis, G401 and RD cells are plated in 15-cm dishes in duplicate at a density of 1 × 106 cells per plate. Cells are incubated with EPZ-6438 at 1 μM, in a total of 25 mL, over a course of 14 d, with cells being split back to original plating density on day 4, 7, and 11. Cell cycle analysis and TUNEL assay are performed using a Guava flow cytometer, following the manufacturer's protocol.(Only for Reference)
AliasEPZ6438, E-7438
Chemical Properties
Molecular Weight572.74
FormulaC34H44N4O4
Cas No.1403254-99-8
SmilesCCN(C1CCOCC1)c1cc(cc(C(=O)NCc2c(C)cc(C)[nH]c2=O)c1C)-c1ccc(CN2CCOCC2)cc1
Relative Density.1.163 g/cm3 (Predicted)
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
10% DMSO+40% PEG300+5% Tween 80+45% Saline: 3.3 mg/mL (5.76 mM), In vivo: Please add co-solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately.
DMSO: 29.2 mg/mL (50.98 mM), Sonication and heating are recommended.
H2O: < 1 mg/mL (insoluble or slightly soluble)
Ethanol: < 1 mg/mL (insoluble or slightly soluble)
Solution Preparation Table
DMSO
1mg5mg10mg50mg
10 mM0.1746 mL0.8730 mL1.7460 mL8.7300 mL
20 mM0.0873 mL0.4365 mL0.8730 mL4.3650 mL
50 mM0.0349 mL0.1746 mL0.3492 mL1.7460 mL

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