MolecularWeight: | 441.52 |
Formula: | C26H27N5O2 |
Purity: | ≥98% |
CAS#: | 700874-71-1 |
Solubility: | DMSOupto100mM |
ChemicalName: | 4-(2-((4-(2-(pyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinolin-7-yl)oxy)ethyl)morpholine |
Storage: | Powder:4oC1year.DMSO:4oC3month;-20oC1year. |
BIOLOGicalActivity:
LY2109761isahighlypotentandselectiveTGFβreceptortypeIandtypeII(TβRI/II)inhibitorwithKiof38nMand300nMrespectively.BlockingTβRI/IIkinaseactivitywithLY2109761completelysuppressesboththebasalandTGF-β1-stimulatedmigrationandinvasionofL3.6pl/GLTcells,andcompletelysuppressesTGF-β–inducedSmad2phosphorylation.LY2109761treatmentat1nMissufficienttosignificantlyblockthemigrationandinvasionbutnotadhesionofhepatocellularcarcinomacellsbyincreasingE-cadherinexpression.Itcanalsoreducetheself-renewalandproliferationofGBM-derivedcancerstem–likecells,whichcanbesignificantlyenhancedwhencombinedwithrADIation.AdmiNISTrationofLY2109761aloneorincombinationwithgemcitABIneorwithradiationdemonstratedverygoodefficacyinmultiplexenograftmicemodels.
HowtoUse:
- Invitro:LY2109761wasusuallyusedat5-10µMinvitroandincellularassays.
- Invivo:LY2109761wasorallydosedtomiceat50mg/kgonceperdayorincombinationwithgemcitabine(25mg/kg)tosignificantlyreducethetumorvolume.
Reference:
- 1.LiHY,etal.Optimizationofadihydropyrrolopyrazoleseriesoftransforminggrowthfactor-betatypeIreceptorkinasedomaininhibitors:discoveryofanorallybioavailabletransforminggrowthfactor-betareceptortypeIinhibitorasantitumoragent.(2008)JMedChem.51(7):2302-6.
- 2.MelisiD,etal.LY2109761,anoveltransforminggrowthfactorbetareceptortypeIandtypeIIdualinhibitor,asatherapeuticapproachtosuppressingpancreaticcancermetastasis.(2008)MolCancerTher.7(4):829-40.
- 3.ZhangB,etal.Targetingtransforminggrowthfactor-betasignalinginlivermetastasisofcoloncancer.(2009)CancerLett.277(1):114-20.
- 4.ConnollyEC,etal.Outgrowthofdrug-resistantcarcinomasexpressingMarkersoftumoraggressionafterlong-termTβRI/IIkinaseinhibitionwithLY2109761.(2011)CancerRes.71(6):2339-49.
- 5.ZhangM,etal.BlockadeofTGF-βsignalingbytheTGFβR-IkinaseinhibitorLY2109761enhancesradiationresponseandprolongssurvivalinglioblastoma.(2011)CancerRes.71(23):7155-67.
- 6.FlechsigP,etal.LY2109761AttenuatesRadiation-InducedPulmonaryMurineFibrosisviaReversalofTGF-βandBMP-AssociatedProinflammatoryandProangiogenicSignals.(2012)ClinCancerRes.18(13):3616-27
- LY2109761_spec.pdf
- LY2109761_MSDS_1.pdf
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