
DUX4MonoclonalAntibody
Facioscapulohumeralmusculardystrophy(FSHD)iscausedbythedeletionofasubsetofD4Z4macro-satelliterepeatsonchromosome4.Eachrepeatcontainsaretrogeneencodingthedouble-homeoboxfactorDUX4.DUX4expressionisepi-geneticallysuppressedindifferentiatedtissues,andtheresidualDUX4transcriptsaresplicedtoremovethecarboxyterminaldomainthathasbeenassociatedwithcelltoxicity.InFSHDindividuals,theexpressionofthefull-lengthDUX4transcriptisnotcompletelysuppressedinskeletalmuscleandpossIBLyotherdifferentiatedtissues.
ThisantibodyrecognizesanepitopeattheC-terminusofhumanDUX4.Itdoesnotcross-reactwithDUX4c.
SniderLetal2010PLoSGenetics6:1-14.
Forinvitroinvestigationaluseonly.Notintendedfordiagnosticortherapeuticapplications.
APPLICATIONSImmunohistochemistry:frozenorparaffin.
Immunofluorescence:
#57100diluted1:10,000onrhaBDomyosarcomacelllineRDtransfectedwithpCS2-DUX4.CellswerecounterstainedwithDAPIfornuclei.
Immunoblotting:
#57100diluted1:10,000onC2C12cellstransfectedwithpCS2-DUX4.Thereisadoubletbecausetheexpressionconstructcontainsanupstreamalternatetranslationstartcodon.ThelowerbandisthecanonicalsizeforDUX4.
Positivecontrol:humantestislysate.
Seereferencebelowforproceduraldetails.Endusershoulddetermineoptimalconcentrationsfortheirapplications.DILUTIONINSTRUCTIONSDiluteinPBSormediumwhichisidenticaltothatusedintheassaysystem.
STORAGEANDSTABILITYThisantibodyisstableforatleastone(1)yearat-20oC.