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    TCS 359
    TCS 359

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    This product is for research use only, not for human use. We do not sell to patients.
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    InvivoChem Cat #: V0589
    CAS #: 301305-73-7Purity ≥98%

    Description: TCS 359 (TCS-359) is a novel, ATP-competitive and selective fms-like/FLT3 kinase inhibitor with IC50 of 42 nM. TCS 359 blocked the ability of FLT3 ligand to promote the development of two-cell-embryos to the hatched blastocyst stage in mice. TCS 359 also decreased the expression of FLT3 ligand in early embryos after the four-cell stage. Without exogenous FLT3 ligand, TCS 359 did not affect embryo development.

    References: Bioorg Med Chem Lett. 2006 Jun 15;16(12):3282-6; Mol Cell Proteomics. 2012 Sep;11(9):745-57. 

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    Molecular Weight (MW)360.43
    CAS No.301305-73-7
    Storage-20℃ for 3 years in powder form
    -80℃ for 2 years in solvent
    Solubility (In vitro)DMSO: 15 mg/mL (41.6 mM)
    Water:<1 mg/mL
    Ethanol:<1 mg/mL
    Other info

    Chemical Name: 2-(3,4-dimethoxybenzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide


    InChi Code: InChI=1S/C18H20N2O4S/c1-23-12-8-7-10(9-13(12)24-2)17(22)20-18-15(16(19)21)11-5-3-4-6-14(11)25-18/h7-9H,3-6H2,1-2H3,(H2,19,21)(H,20,22)

    SMILES Code: O=C(C1=C(NC(C2=CC=C(OC)C(OC)=C2)=O)SC3=C1CCCC3)N


    TCS 359, TCS-359, TCS359

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    In Vitro

    In vitro activity: TCS 359, a 2-acylaminothiophene-3-carboxamide, is a potent inhibitor of FLT3 with IC50 of 42 nM. TCS 359 inhibits MV4-11 proliferation with IC50 of 340 nM. TCS 359 is highly selective for FLT3 against a panel of kinases.

    Kinase Assay: To determine the activity of the compounds of the present invention in an in vitro kinase assay, inhibition of the isolated kinase domain of the human FLT3 receptor is performed using the following fluorescence polarization (FP) protocol. The FLT3 fluorescence polarization assay utilizes the fluorescein-labeled phosphopeptide and the anti-phosphotyrosine antibody included in the Panvera Phospho-Tyrosine Kinase Kit. The FLT3 kinase reaction is incubated at room temperature for 30 min under the following conditions: 10 nM FLT3 571-993, 20μg/mL poly Glu4Tyr, 150μM ATP, 5 mM MgCl2, and 1% compound in DMSO. The kinase reaction is stopped with the addition of EDTA. The fluorescein-labeled phosphopeptide and the anti-phosphotyrosine antibody are added and incubated for 30 min at room temperature and polarization is read.

    Cell Assay: MV4-11 cells are plated at 10,000 cells per well in 100 μL of in RPMI media containing penn/strep, 10% FBS, and 0.2 ng/mL GM-CSF. Compound dilutions or 0.1% DMSO (vehicle control) is added to cells and the cells are allowed to grow for 72 h at standard cell growth conditions. To measure total cell growth, an equal volume of CellTiterGlo reagent is added to each well and luminescence is quantified. Total cell growth is quantified as the difference in luminescent counts of cell number at Day 0 compared to total cell number at Day 3 (72 h of growth and/or compound treatment). All IC50 values are calculated in GraphPadPrism using non-linear regression analysis with a multiparameter (variable slope) equation.

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    Bioorg Med Chem Lett. 2006 Jun 15;16(12):3282-6; Mol Cell Proteomics. 2012 Sep;11(9):745-57. 

    These protocols are for reference only. InvivoChem does not independently validate these methods.

    TCS 359

    Effect of select kinase inhibitors on ΔF508-CFTR maturation analyzed by immunoblotting. Mol Cell Proteomics. 2012 Sep;11(9):745-57.

    TCS 359

    Effect of compounds treatment on the ΔF508-CFTR channel activity in the MDCK cells stably expressing ΔF508-CFTR. Molecular & Cellular Proteomics, 2012, 11(9):745-757.

    TCS 359

    Dose response curves of select kinase inhibitors for rescue of ΔF508-CFTR expressed in the MDCK cells. Molecular & Cellular Proteomics, 2012, 11(9):745-757.


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