
Theserotonintransporter(SERT)isamonoaminetransporter,integralmembraneproteinthattransportstheneurotransmitterserotoninfromsynapticspacesintopresynapticneurons.ThistransportofserotoninbytheSERTproteinterminatestheactionofserotoninandrecyclesitinasodium-dependentmanner.
Thehistochemicalantibodyforserotonin(5HT)transporterisgeneratedinarabbitagainstasyntheticpeptidesequencecorrespondingtoaminoacids579-599ofrat5HTtransportercoupledtoKLH.
Theantibodyproduces4+(maximum)labelingof5HTtransporteratdilutionsof1/200-1/400usingindirectimmunofluorescenceandatdilutionsof1/10,000-1/15,000usingbiotin/streptavidinHRPtechniqueinratraphenuclei,hypothalamus,cortex,andspinalcord.Optimaldilutionwillvarydependinguponfixation,labelingtechniqueand/ordetectionsystem;therefore,adilutionseriesisrecommended.ByWesternblotanalysisusingratbrainextractsofcortex,hypothalamus,midbrain,andhindbrain,theantibodyspecificallylabelsasingleband.Immunolabelingiscompletelyabolishedbypre-adsorptionwithsyntheticrat5HTtransporter.