MedKooCat#:401705
Name:PHT-427
CAS#:1191951-57-1
ChemicalFormula:C20H31N3O2S2
ExactMass:409.18577
MolecularWeight:409.60904
ElementalAnalysis:C,58.64;H,7.63;N,10.26;O,7.81;S,15.66
Synonym:PHT427;PHT-427;PHT427.
IUPAC/ChemicalName:4-dodecyl-N-(1,3,4-thiADIazol-2-yl)benzenesulfonamide
SMILESCode:O=S(C1=CC=C(CCCCCCCCCCCC)C=C1)(NC2=NN=CS2)=O
TechnicalData
AdditionalInformation
PHT-427wasfoundtoboundwiththehighestaffinitytothePHdomainsofbothPDPK1andAkt.PHT-427inhibitedAktandPDPK1signalingandtheirdownstreamtargetsinsensitivebutnotresistantcellsandtumorxenografts.Whengivenorally,PHT-427inhibitedthegrowthofhumantumorxenograftsinimmunodeficientmice,withupto80%inhibitioninthemostsensitivetumors,andshowedgreateractivitythananalogueswithC4,C6,orC8alkylchains.InhibitionofPDPK1wasmorecloselycorrelatedtoantitumoractivitythanAktinhibition.TumorswithPIK3CAmutationwerethemostsensitive,andK-Rasmutanttumorsweretheleastsensitive.CombinationstudiesshowedthatPHT-427hasgreaterthanadditiveantitumoractivitywithpaclitaxelinbreastcancerandwitherlotinibinnon-smallcelllungcancer.Whengiven>5days,PHT-427causednoweightlossorchangeinbloodchemistry.Thus,wereportanovelPHdomainbindinginhibitorofPDPK1/Aktsignalingwithsignificantinvivoantitumoractivityandminimaltoxicity. (source:MolCancerTher.2010Mar;9(3):706-17.)
References
1:MeuilletEJ,ZuoheS,LemosR,IhleN,KingstonJ,WatkinsR,MosesSA,Zhang S,Du-CunyL,HerbstR,JacobyJJ,ZhouLL,AhadAM,MashEA,KirkpatrickDL,PowisG.MolecularpharmacologyandantitumoractivityofPHT-427,anovelAkt/phosphatidylinositide-dependentproteinkinase1pleckstrinhomologydomaininhibitor.MolCancerTher.2010Mar;9(3):706-17.Epub2010Mar2.PubMedPMID:20197390;PubMedCentralPMCID:PMC2837366.