CustomerValidation
- •MolCellEndocrinol.2016Dec5;437:268-279.
- •ArchBiochemBiophys.2017Feb15;616:1-12.
- •BiomedPharmacother.2016Dec6;86:32-40.
Description | GKT137831isanovel,specificdualNADPHoxidase(NOX1/4)inhibitor.GKT137831haspotencybothonhumanNox4(Ki=140±40nM)andhumanNox1(Ki=110±30nM)andisfound15-foldlesspotentonNox2(Ki=1750±700nM)and3-foldlesspotentonNox5(Ki=410±100nM). |
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IC50&Target | Ki:140±40nM(Nox4),110±30nM(Nox1)[1] |
InVitro | GKT137831isapotentNox4inhibitor(Ki=120±30nM)withanaffinitysimilartotheirreversIBLeandunspecificflavoproteininhibitorDiphenyliodonium(DPI;Ki=70±10nM)[1].AdmiNISTrationofGKT137831throughoutthe72-hourperiodofnormoxiaorhypoxiaexposureattenuatesHPASMCproliferationundernormoxicconditionsatthe20μMconcentrationbuthadnoeffectonproliferationinnormoxicHPAECs.InthepreventionparADIgm,GKT137831attenuateshypoxia-inducedHPASMCandHPAECproliferationat5and20μM.ComplementaryassaysofcellproliferationmeasuringtheexpressionofPCNAormanualcellcountingconfirmedthatGKT137831attenuateshypoxia-inducedpulmonaryvascularcellproliferation[2]. |
InVivo | DuringthelasthalfofCCl4injections,somemicearetreatedwithGKT137831daily.CCl4-inducedliverfibrosisismorepronouncedinSOD1mucomparedtoWTmice.LiverfibrosisinbothSOD1muandWTmiceisattenuatedbyGKT137831treatment.Theincreasedhepaticα-SMAexpressionismarkedlydecreasedinSOD1mumicetreatedwithGKT137831,toalevelsimilartothatofWTmicegiventheNOX1/4inhibitor[1]. |
ClinicalTrial | ViewMoreCollapse |
References |
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Pleaserefertothesolubilityinformationtoselecttheappropriatesolvent. | ||||||||||||||||
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CellAssay [2] | GKT137831isdissolvedinDMSOandstored,andthendilutedwithappropriatemedia(DMSO1%)beforeuse[2]. MonolayersofHPAECsandHPASMCsarepropagatedincultureandplacedinnormoxic(21%O2,5%CO2)orhypoxic(1%O2,5%CO2)conditionsfor72hours.GKT137831(0.1-20μM),orvehicle(1%DMSO)areaddedtotheculturemediumattheonset(preventionregimen)orduringthelast24hours(interventionregimen)ofa72-hourhypoxiaexposureregimen[2].MCEhasnotindependentlyconfirmedtheaccuracyofthesemethods.Theyareforreferenceonly. | ||||||||||||||||
AnimalAdministration [1] | GKT137831ispreparedincornoil[1]. Mice[1] | ||||||||||||||||
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MolecularWeight | 394.85 | ||||||||||||
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Formula | C₂₁H₁₉ClN₄O₂ | ||||||||||||
CASNo. | 1218942-37-0 | ||||||||||||
Storage |
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Shipping | RoomtemperatureincontinentalUS;mayvaryelsewhere | ||||||||||||
Solvent&Solubility | DMSO:≥37mg/mL *"<1 mg/ml"="" means="" slightly="" soluble="" or="" insoluble.="" "≥"="" means="" soluble,="" but="" saturation="">1> Purity:99.43%
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