
Neurotensinreceptor1(NTSR1)belongstothelargesuperfamilyofG-proteincoupledreceptors.NTSR1mediatesthemultiplefunctionsofneurotensin,suchashypotension,hyperglycemia,hypothermia,antinociception,andregulationofintestinalmotilityandsecretion.NTR1hasbeenreportedinbrain,pancreas,andsmallintestine.ESTshavebeenisolatedfrombrainandcolonlibraries
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Images:ExpressionofNTS1receptorsinsensoryneuronsandspinalcord.(a)ImmunoperoxidasestainingrevealsthepresenceofNTS1-likeimmunoreactivitythroughoutthelumbardorsalhornofthespinalcord.Immunolabelingismostprominentinthesuperficiallayersofthedorsalhorn.Thelateralspinalnucleus(lsn)isalsomoderatelylabeled(arrow).(b)Highmagnificationof(a).AdenseNTS1immunostainingisobservedoverlaminaeIandIIofthedorsalhorn.Numerousimmunopositivenervecellbodiesarevisibleinthesuperficiallaminaeandinthenucleuspropriusofthedorsalhorn(arrows).(c)LightmicroscopicanalysisofNTS1expressioninprimaryafferentneurons.NTS1isexpressedinsubpopulationsofsmall-andmedium-ganglioncells.NoapparentlabelingisdetectedinlargeDRGneurons(arrows).Athighermagnification,NTS1neuronsexhibitacytoplasmicpatternofimmunoreactivity(d,arrowheads).(e)IdentificationofendogenouslyexpressedNTS1receptors,bywesternblotting,inhomogenatesfromDRGs,lumbarspinalcordandbrain.The47kDaproteinbandcorrespondstothemolecularweightdeducedfromthecDNAsequenceofNTS1.Eachlanerepresentsthetransferof25lgofprotein.Scalebars:(a,b,c,andd)300,150,70and20lm,respectively.doi:10.1111/j.1471-4159.2007.05205.x.