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Entinostat (MS-275)
Entinostat (MS-275)
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Entinostat (MS-275)
Price:
CAS No.: 209783-80-2
Catalog No.: CFN60024
Molecular Formula: C21H20N4O3
Molecular Weight: 376.41 g/mol
Purity: >=98%
Type of Compound: Alkaloids
Physical Desc.: Powder
Source:
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison
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According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Entinostat (MS-275, SNDX-275) strongly inhibits HDAC1 and HDAC3 with IC50 of 0.51 μM and 1.7 μM in cell-free assays, compared with HDACs 4, 6, 8, and 10. Entinostat induces autophagy and apoptosis. Phase 3.
Targets: HDAC1/HDAC3 | Autophagy
In vivo:
Neuroscience,2010 Aug 11;169(1):370-7.
MS-275, an histone deacetylase inhibitor, reduces the inflammatory reaction in rat experimental autoimmune neuritis.[Pubmed: 20451583]
Experimental autoimmune neuritis (EAN) is a T cell-mediated autoimmune inflammatory demyelinating disease of the peripheral nervous system and serves as the animal model of human inflammatory demyelinating polyradiculoneuropathies. MS-275, a potent histone deacetylase inhibitor currently undergoing clinical investigations for various malignancies, has been reported to demonstrate promising anti-inflammatory activities.
METHODS AND RESULTS:
In our present study, MS-275 administration (3.5 mg/kg i.p.) to EAN rats once daily from the appearance of first neurological signs greatly reduced the severity and duration of EAN and attenuated local accumulation of macrophages, T cells and B cells, and demyelination of sciatic nerves. Further, significant reduction of mRNA levels of pro-inflammatory interleukin-1beta, interferon-gamma, interleukine-17, inducible nitric oxide synthase and matrix metalloproteinase-9 was observed in sciatic nerves of MS-275 treated EAN rats. In lymph nodes, MS-275 depressed pro-inflammatory cytokines as well, but increased expression of anti-inflammatory cytokine interleukine-10 and of foxhead box protein3 (Foxp3), a unique transcription factor of regulatory T cells. In addition, MS-275 treatment increased proportion of infiltrated Foxp3(+) cells and anti-inflammatory M2 macrophages in sciatic nerves of EAN rats.
CONCLUSIONS:
In summary, our data demonstrated that MS-275 could effectively suppress inflammation in EAN, through suppressing inflammatory T cells, macrophages and cytokines, and inducing anti-inflammatory immune cells and molecules, suggesting MS-275 as a potent candidate for treatment of autoimmune neuropathies.
Entinostat (MS-275) Description
Source:
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.6567 mL 13.2834 mL 26.5668 mL 53.1336 mL 66.4169 mL
5 mM 0.5313 mL 2.6567 mL 5.3134 mL 10.6267 mL 13.2834 mL
10 mM 0.2657 mL 1.3283 mL 2.6567 mL 5.3134 mL 6.6417 mL
50 mM 0.0531 mL 0.2657 mL 0.5313 mL 1.0627 mL 1.3283 mL
100 mM 0.0266 mL 0.1328 mL 0.2657 mL 0.5313 mL 0.6642 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Kinase Assay:
Chem Biol,2003 Jan;10(1):61-8.
A fluorogenic histone deacetylase assay well suited for high-throughput activity screening.[Pubmed: 12573699]
Rat liver enzyme is diluted 1:6 with HDAC buffer. Recombinant human HDACs are diluted 1:4 in HDAC buffer. For standard HDAC assays, 60 μL of HDAC buffer is mixed with 10 μL of diluted enzyme solution at 30 °C. The HDAC reaction is started by adding 30 μL substrate solution in HDAC buffer followed by 30 min of incubation at 30 °C. The reaction is stopped by adding 100 μL trypsin solutions (10 mg/ml trypsin in 50 mM Tris-HCl [pH 8.0], 100 mM NaCl, 2 μM TSA). After a 20 min incubation period at 30 °C, the release of AMC is monitored by measuring the fluorescence at 460 nm (λex = 390 nm). Fluorescence intensity is calibrated using free AMC. For standard time course experiments, 20 pmol of substrate is used in the initial 100 μL HDAC reaction. Km and Vmax values are determined by measuring the fluorescence AMC generated by enzymatic cleavage of 2–50 pmol of substrate. The experimental data are analyzed using a Hanes plot. The AMC signals are recorded against a blank with buffer and substrate but without the enzyme.
Cell Research:
95th AACR, Orlando,2004,45.
Isozyme-selective activity of the HDAC inhibitor MS-275.[Reference: WebLink]
Cell lines:A2780, Calu-3, HL-60, K562, St-4, HT-29, KB-3-1, Capan-1, 4-1St and HCT-15 cells
Concentrations: ~ 10 μM
Incubation Time:  3 days
Method:
Cancer cells (5 × 103) are seeded into each well of 96-well plates and cultured with graded concentrations of MS-275 for 3 days. The cells are stained with 0.1 mg/mL neutral red for 1 hour in a CO2-incubator, and, after aspiration of the medium, OD540 of the neutral red solubilized with 50 μL of ethanol and 150 μL of 0.1 M Na2HPO4 is measured. The IC50 value is determined by plotting growth inhibition of the cells against the logarithm of the drug concentration.
Animal Research:
Proc Natl Acad Sci U S A,1999 Apr 13;96(8):4592-7.
A synthetic inhibitor of histone deacetylase, MS-27-275, with marked in vivo antitumor activity against human tumors.[Pubmed: 10200307]
Animal Models: A2780, HT-29, HTC-15, KB-3-1, 4-1St, St-4, Capan-1 and Calu-3 cells are injected subcutaneously into the flank of nude mice.
Dosages: 12.3, 24.5 and 49 mg/kg
Administration: Administered orally once daily 5 days per week for 4 weeks
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