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GDNF (glial cell line-derived neurotrophic factor), neurturin and artemin use their co-receptors (GFRα1, GFRα2 and GFRα3, respectively) and the tyrosine kinase Ret for downstream signaling. In rodent dorsal root ganglia (DRG) most of the unmyelinated and some myelinated sensory afferents express at least one GFRα. The adult function of these receptors is not completely elucidated but their activity after peripheral nerve injury can facilitate peripheral and central axonal regeneration, recovery of sensation, and sensory hypersensitivity that contributes to pain. Our previous immunohistochemical studies of spinal cord and sciatic nerve injuries in adult rodents have identified characteristic changes in GFRα1, GFRα2 or GFRα3 in central spinal cord axons of sensory neurons located in DRG. Here we extend and contrast this analysis by studying injuries of the pelvic and hypogastric nerves that contain the majority of sensory axons projecting to the pelvic viscera (e.g., bladder and lower bowel). At 7 d, we detected some effects of pelvic but not hypogastric nerve transection on the ipsilateral spinal cord. In sacral (L6-S1) cord ipsilateral to nerve injury, GFRα1-immunoreactivity (IR) was increased in medial dorsal horn and CGRP-IR was decreased in lateral dorsal horn. Pelvic nerve injury also upregulated GFRα1- and GFRα3-IR terminals and GFRα1-IR neuronal cell bodies in the sacral parasympathetic nucleus that provides the spinal parasympathetic preganglionic output to the pelvic nerve. This evidence suggests peripheral axotomy has different effects on somatic and visceral sensory input to the spinal cord, and identifies sensory-autonomic interactions as a possible site of post-injury regulation.
Pubmed ID: 25914629 RIS Download
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Public registry of antibodies with unique identifiers for commercial and non-commercial antibody reagents to give researchers a way to universally identify antibodies used in publications. The registry contains antibody product information organized according to genes, species, reagent types (antibodies, recombinant proteins, ELISA, siRNA, cDNA clones). Data is provided in many formats so that authors of biological papers, text mining tools and funding agencies can quickly and accurately identify the antibody reagents they and their colleagues used. The Antibody Registry allows any user to submit a new antibody or set of antibodies to the registry via a web form, or via a spreadsheet upload.
View all literature mentionsThis polyclonal targets Mouse GFR alpha-3 / GDNF R alpha-3
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View all literature mentionsThis polyclonal targets Human/Mouse GFR alpha-2 Affinity Purified Ab
View all literature mentionsThis polyclonal targets Rat GFR alpha-1 / GDNF R alpha-1
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View all literature mentionsDigital image processing system where microscope settings and processing steps may be adjusted in single user interface. Can acquire images from variety of cameras. Includes software package for capturing, archiving and preparing images for publication. Allows users to visualize and present images in several dimensions. Functionality of imaging toolbox expands constantly with wide range of different modules that are tailored to specific applications or microscope accessories. This resource is duplicated by SCR_018376
View all literature mentionsThis polyclonal targets Calca
View all literature mentionsThis polyclonal targets Mouse GFR alpha-3 / GDNF R alpha-3
View all literature mentionsThis polyclonal targets Rat GFR alpha-1 / GDNF R alpha-1
View all literature mentionsThis polyclonal targets Human/Mouse GFR alpha-2 Affinity Purified Ab
View all literature mentionsThis polyclonal targets Human/Mouse GFR alpha-2 Affinity Purified Ab
View all literature mentionsThis polyclonal targets Mouse GFR alpha-3 / GDNF R alpha-3
View all literature mentionsThis polyclonal targets Calca
View all literature mentionsThis polyclonal targets Rat GFR alpha-1 / GDNF R alpha-1
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