
Description:
NRF2playsacrucialroleincellularanti-oxidantdefense,makingitatherapeutictargetforneurodegenerativediseasesandcancer. Underunstressedconditions,NRF2iskeptinthecytoplasmbyaclusterofproteinsthatdegradeitquickly. Underoxidativestress,NRF2isnotdegraded,butinsteadtranslocatestothenucleuswhereitbindstoaDNApromoterandinitiatesgeneexpression. Inthenucleus,NRF2formsaheterodimerwithasmallMafproteinandbindstotheAntioxidantResponseElementintheupstreampromoterregionofmanyantioxidativegenes,andinitiatestheirtranscription.SignosishasdevelopedtheNRF2ELISAkitfortheanalysisoftheNRF2pathwayandtofacilitatestudyingactivationofdifferentNRF2-relatedpathways.Principle:
TFELISAkitishighsensitiveandspecificassaywithasimpleandoptimizedprocedure.The96-well(8X12strip)whiteplateispre-immobilizedwiththeTFconsensussequencingoligo.TheactivatedTFinnuclearextractorthewholecelllysateisaddedinthewellandbindstotheoligo.TheactivatedTFisdetectedwithaspecificantibodyagainstthesubunitandaHRPconjugatedsecondaryantibody. Afterincubation,thewellsarewashedtoremoveunbound-labeledantibodies.TheplateisfurtherdetectedwithHRPluminescentsubstrate.Luminescenceisreportedasrelativelightunits(RLUs)onamicroplateluminometer.Thelevelofexpressionforeachspecificcytokineisdirectlyproportionaltotheluminescentintensity.
Data:
AnalysisofNRF2activationwithNRF2ELISAinTBHQ-TreatedHeLaCells.
TheHeLacellsweretreatedwith50uMTBHQovernight.ThenuclearextractswerepreparedandsubjectedtoNRF2ELISAkit.