MedKooCat#:202272
Name:PLX4720
CAS#:918505-84-7
ChemicalFormula:C17H14ClF2N3O3S
ExactMass:413.04125
MolecularWeight:413.82
ElementalAnalysis:C,49.34;H,3.41;Cl,8.57;F,9.18;N,10.15;O,11.60;S,7.75
Synonym:PLX4720;PLX4720;PLX-4720.
IUPAC/ChemicalName:N-(3-(5-chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide
InChiKey:YZDJQTHVDDOVHR-UHFFFAOYSA-N
InChiCode:InChI=1S/C17H14ClF2N3O3S/c1-2-5-27(25,26)23-13-4-3-12(19)14(15(13)20)16(24)11-8-22-17-10(11)6-9(18)7-21-17/h4-4,6-8,23H,2,5H2,1H3,(H,21,22)
SMILESCode:CCCS(=O)(NC1=CC=C(F)C(C(C2=CNC3=NC=C(Cl)C=C32)=O)=C1F)=O
PLX4720,a7-azaindolederivativethatinhibitsB-Raf(V600E)withanIC(50)of13nM,definesaclassofkinaseinhibitorwithmarkedselectivityinbothbiochemicalandcellularassays.PLX4720preferentiallyinhibitstheactiveB-Raf(V600E)kinasecomparedwithabroadspectrumofotherkinases,andpotentcytotoxiceffectsarealsoexclusivetocellsbearingtheV600Eallele.Consistentwiththehighdegreeofselectivity,ERKphosphorylationispotentlyinhibitedbyPLX4720inB-Raf(V600E)-bearingtumorcelllinesbutnotincellslackingoncogenicB-Raf.Inmelanomamodels,PLX4720inducescellcyclearrestandapoptosisexclusivelyinB-Raf(V600E)-positivecells.InB-Raf(V600E)-dependenttumorxenograftmodels,orallydosedPLX4720causessignificanttumorgrowthdelays,includingtumorregressions,withoutevidenceoftoxicity.Theworkdescribedhererepresentstheentirediscoveryprocess,frominitialidentificationthroughstructuralandbiologicalstudiesinanimalmodelstoapromisingtherapeuticfortestingincancerpatientsbearingB-Raf(V600E)-driventumors.seehttp://www.ncbi.nlm.nih.gov/pubmed/18287029.
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4:OikonomouE,KocM,SourkovaV,AnderaL,PintzasA.SelectiveBRAFV600EinhibitorPLX4720,requiresTRAILassistancetoovercomeoncogenicPIK3CAresistance.PLoSOne.2011;6(6):e21632.doi:10.1371/journal.pone.0021632.Epub2011Jun27.PubMedPMID:21738740;PubMedCentralPMCID:PMC3124547.
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6:NehsMA,NagarkattiS,NuceraC,HodinRA,ParangiS.ThyroidectomywithneoadjuvantPLX4720extendssurvivalanddecreasestumorburdeninanorthotopicmousemodelofanaplasticthyroidcancer.Surgery.2010Dec;148(6):1154-62;discussion1162.doi:10.1016/j.surg.2010.09.001.PubMedPMID:21134546;PubMedCentralPMCID:PMC3413092.
7:JiangCC,LaiF,ThorneRF,YangF,LiuH,HerseyP,ZhangXD.MEK-independentsurvivalofB-RAFV600EmelanomacellsselectedforresistancetoapoptosisinducedbytheRAFinhibitorPLX4720.ClinCancerRes.2011Feb15;17(4):721-30.doi:10.1158/1078-0432.CCR-10-2225.Epub2010Nov18.PubMedPMID:21088259.
8:KaplanFM,ShaoY,MayberryMM,AplinAE.HyperactivationofMEK-ERK1/2signalingandresistancetoapoptosisinducedbytheoncogenicB-RAFinhibitor,PLX4720,inmutantN-RASmelanomacells.Oncogene.2011Jan20;30(3):366-71.doi:10.1038/onc.2010.408.Epub2010Sep6.PubMedPMID:20818433.