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    AS-604850
    AS-604850

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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 #: V0134
    CAS #: 648449-76-7Purity ≥98%

    Description: AS-604850 is a novel, potent, selective, and ATP-competitive inhibitor of PI3Kγ (phosphatidylinositol 3-kinase γ) with IC50 of 250 nM and a Ki of 180 nM. It showed >80-fold selectivity for PI3Kγ over PI3Kδ/β, and 18-fold more selective for PI3Kγ over PI3Kα with IC50s of 0.25 µM for PI3Kγ, >20 µM for PI3Kδ and PI3Kβ, and 4.5 µM for PI3Kα.

    References: Nat Med. 2005 Sep;11(9):936-43; J Hepatol. 2010 Nov;53(5):918-26.

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    Molecular Weight (MW)

    285.22

    Formula

    C11H5F2NO4S

    CAS No.

    648449-76-7

    Storage

    -20℃ for 3 years in powder form

    -80℃ for 2 years in solvent

    Solubility (In vitro)

    DMSO: 57 mg/mL (199.84 mM)

    Water:<1 mg/mL

    Ethanol: 5 mg/mL (17.53 mM)

    Solubility (In vivo)

     0.5% CMC+0.25% Tween 80: 30mg/mL

    Other info

    Synonym: AS604850; AS 604850; AS-604850.

    Chemical Name: (Z)-5-((2,2-difluorobenzo[d][1,3]dioxol-5-yl)methylene)thiazolidine-2,4-dione

    InChi Key: SRLVNYDXMUGOFI-YWEYNIOJSA-N

    InChi Code: InChI=1S/C11H5F2NO4S/c12-11(13)17-6-2-1-5(3-7(6)18-11)4-8-9(15)14-10(16)19-8/h1-4H,(H,14,15,16)/b8-4-

    SMILES Code: O=C(NC/1=O)SC1=C/C2=CC=C(OC(F)(F)O3)C3=C2


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    In Vitro

    Kinase Assay: Human PI3Kγ (100 ng) is incubated at RT with kinase buffer (10 mM MgCl2, 1 mM β-glycerophosphate, 1 mM DTT, 0.1 mM Na3VO4, 0.1% Na Cholate and 15 M ATP/100 nCi γ[33]ATP, final concentrations) and lipid vesicles containing 18 M PtdIns and 250 M of PtdSer (final concentrations), in the presence of AS-252424 or DMSO. Kinase reaction is stopped by adding 250 g of Neomycin-coated Scintillation Proximity Assay (SPA) beads and preceded..

     

    Cell Assay: Hepatocyte cultures are treated with diluent (DMSO), 25 μM TLC, 250 μM TCDC, 50 μM GCDC, or 50 ng/ml Fas for 2-4 hours HepG2-Ntcp and Huh7-Ntcp cells are treated with DMSO, 20 μM TLC, 75 μM TCDC or GCDC, 200 μM etoposide or 200 ng/ml TNFa plus 28 ng/ml actinomycin D for 2-4 hours. The number of apoptotic cells is determined morphologically using fluorescent staining and expressed as % of cells. Apoptosis is confirmed in human cell lines by determination of caspase-3/-7 activity and in rat hepatocytes by detection of the 17 kDa proteolytic cleavage fragment of caspase-3 by immunoblotting; equal protein loading is monitored by immunoblotting for actin.

    AS-604850 is ATP-competitive PI3Kγ inhibitor with Ki values of 0.18 μM. AS-604850 is isoform selective inhibitor of PI3Kγ with over 30-fold selectivity for PI3Kδ and β, and 18-fold selectivity over PI3Kα. (PI3Kα: IC50 = 4.5 μM, PI3Kγ and β: IC50 > 20μM) AS-604850 is capable of inhibiting C5a-mediated PKB phosphorylation in RAW264 mouse macrophages with an IC50 with 10 μM. AS-604850 blocks MCP-1-mediated chemotaxis in Pik3cg +/+ monocytes in a concentration- dependent manner, with an IC50 of 21 mM, but dosn't affect chemotaxis in Pik3cg-/- cells, indicating that AS-604850 acts through PI3Kγ. AS-604850 diminishes glycochenodeoxycholate (GCDC) induced Akt-phosphorylation and apoptosis in rat hepatocytes. AS-604850 diminishes bile salt-induced apoptosis in HepG2 Ntcp and Huh7-Ntcp cells. AS604850 causes a concentration-dependent suppression of chemotactic responses of EoL-1 cells and blood eosinophils to platelet-activating factor (PAF).

    In Vivo

    AS-604850 reduces RANTES-induced peritoneal neutrophil recruitment with a ED50 of 42.4 mg/kg. In the thioglycollate-induced peritonitis model, oral administration of 10 mg/kg AS-604850 results in a 31% reduction of neutrophil recruitment

    Animal model

    RANTES (0.5 mg/kg in 200 ml saline) or thioglycollate (40 ml/kg) are intraperitoneally injected to C3H mice to induce peritonitis mouse models

    Formulation & Dosage

    Dissolved in vehicle (0.5% carboxymethylcellulose/0.25% Tween-20) and adjusted the solution to 10 mL/kg of body weight; 0, 1, 3, 10 or 30 mg/kg for RANTES, 10 mg/kg for thioglycollate; Oral administration

    References

    [1] Camps M, et al, Nat Med, 2005, 11(9), 936-943.


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

    AS-604850

    J Hepatol, 2010, 53(5), 918-926.


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