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- •StemCellReports.2017Nov23.pii:S2213-6711(17)30483-6.
- •BreastCancerRes.2017Aug4;19(1):90.
- •Oncotarget.2016Oct25;7(43):69760-69769.
- •Oncotarget.2015Oct13;6(31):31313-22.
- •ExpCellRes.2017Oct26.pii:S0014-4827(17)30574-8.
- •JSepSci.2017Oct;40(19):3782-3791.
- •BiomedChromatogr.2016Jul;30(7):1150-4.
- •ChemPharmBull(Tokyo).2017Aug1;65(8):768-775.
- •HarvardMedicalSchoolLINCSLIBRARY
Description | GefitinibisaninhibitorthatspecificallybindsandinhibitstheEGFRtyrosinekinase,withtheIC50valueof2-37nMinNR6wtEGFRcells. |
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IC50&Target | IC50:37nM (Tyr1173site,inNR6wtEGFRcells),37nM (Tyr992site,inNR6wtEGFRcells)[1] |
InVitro | Gefitinib(0.01-0.1mM)resultsinincreasedphosphotyrosineloadofthereceptor,increasedsignallingtoERKandstimulationofproliferationandanchorage-independentgrowth,presumablybyinducingEGFRvIIIdimerisationinlong-termexposureofEGFRvIII-expressingcells.Ontheotherhand,gefitinib(1-2mM)significantlydecreasesEGFRvIIIphosphotyrosineload,EGFRvIII-mediatedproliferationandanchorage-independentgrowth[1].Gefitinib(ZD1839)inhibitsthemonolayergrowthoftheseEGF-drivenuntransformedcellswithIC50of20nM[2].GefitinibleadstoaninhibitionofCALU-3andGLC82cellproliferation,withanIC50of2μM[3]. |
InVivo | Gefitinib(150mg/kg,p.o.)inconbinationwithMetformininducesasignificantreductionintumorgrowthinnudemicebearingH1299orCALU-3GEF-Rcellsthataregrownsubcutaneouslyastumorxenografts[3].InirrADIatedrats,Gefitinibtreatmentaugmenteslunginflammation,includinginflammatorycellinfiltrationandpro-inflammatorycytokineexpression,whileGefitinibtreatmentattenuatesfibroticlungremodelingduetotheinhibitionoflungfibroblastproliferation[4]. |
ClinicalTrial | ViewMoreCollapse |
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Pleaserefertothesolubilityinformationtoselecttheappropriatesolvent. | ||||||||||||||||
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CellAssay [3] | GefitinibisdissolvedinDMSOandstored,andthendilutedwithappropriatemediabeforeuse[3]. Cancercellsareseededin96-wellplatesandaretreatedwithdifferentdosesofGefitinib(0.01-20μM),Metforminorbothfor72hours.CellproliferationismeasuredwiththeMTTassay.TheIC50valuesaredeterminedbyinterpolationfromthedose-responsecurves.Resultsrepresentthemedianof3separateexperimentseachconductedinquadruplicate.TheresultsofthecombinedtreatmentareanalyzedaccordingtothemethodofChouandTalalaybyusingtheCalcuSynsoftwareprogram[3].MCEhasnotindependentlyconfirmedtheaccuracyofthesemethods.Theyareforreferenceonly. | ||||||||||||||||
AnimalAdmiNISTration [3][4] | GefitinibissUSPendedin0.1%Tween80solution[4]. Mice[3] | ||||||||||||||||
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MolecularWeight | 446.9 | ||||||||||||
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Formula | C₂₂H₂₄ClFN₄O₃ | ||||||||||||
CASNo. | 184475-35-2 | ||||||||||||
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Shipping | RoomtemperatureincontinentalUS;mayvaryelsewhere | ||||||||||||
Solvent&Solubility | DMSO:≥30mg/mL GefitinibisdissolvedinadosingvehiclecomposedofDMSO,PEG400,anddistilledwater(5:45:50%,v/v/v)attheconcentrationof1mg/mL[5]. *"<1 mg/ml"="" means="" slightly="" soluble="" or="" insoluble.="" "≥"="" means="" soluble,="" but="" saturation="">1> | ||||||||||||
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Purity:99.95%