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Selleckchem/iCRT3/S8647

DescriptioniCRT3isanantagoNISTofWnt/β-cateninsignalingwithanIC50of8.2nMintheWntresponsiveSTF16-lucreporterassays.
Targets
Wnt/β-catenin[1](inSTF16assay)
8.2nM
Invitro

iCRT3isasmallmoleculeinhibitoroftheWntpathwaywhichbindstoβ-catenininterferingwithitsinteractionwithTCF.iCRT3significantlyreducestheLPS-inducedWnt/β-cateninactivityandalsoinhibitsTNF-αproductionandIκBdegradationinadose-dependentmanner.iCRT3doesnotinfluencethetranscriptionalactivityofFOP-Flashluciferasereporter,whichharborsmutationsintheDNAbindingsitesforTCF(β-catresponseelement),showingspecificityoftheresponse.ItinhibitscytokineproductioninLPS-stimulatedmacrophages[1][2].

InvivoIntraperitonealadministrationofiCRT3toC57BL/6mice,subjectedtocecalligationandpuncture-inducedsepsis,decreasestheplasmalevelsofproinflammatorycytokinesandorganinjuryMarkersinadose-dependentmanner.ThehistologicalintegrityofthelungsisimprovedwithiCRT3treatment,alongwithreducedlungcollagendepositionandapoptosis.Inaddition,iCRT3treatmentalsodecreasestheexpressionofthecytokines,neutrophilchemoattractants,aswellastheMPOactivityinthelungsofsepticmice[2].
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