Document Detail

Localization of vesicular glutamate transporter 2 mRNA in the dorsal root ganglion of the pigeon (Columba livia).
MedLine Citation:
PMID:  19821818     Owner:  NLM     Status:  In-Process    
Our previous study showed localization of glutamate receptor 1 (GluR1) mRNA in neurons of the pigeon spinal cord, suggesting glutamatergic input from intrinsic and extrinsic origins. The present study examined localization of vesicular glutamate transporter 2 (VGLUT2) mRNA to confirm an extrinsic origin of glutamatergic neurons in the dorsal root ganglion (DRG). GluR1 and GluR2 mRNAs were examined in DRG and spinal cord to seek projection regions from VGLUT2 mRNA-expressing neurons. VGLUT2 mRNA was expressed in most DRG neurons and labelling intensity varied from weakly to intensely. Intense VGLUT2 mRNA expression was mainly seen in medium to large neurons. GluR1 and GluR2 mRNAs were expressed in the dorsal horn and GluR2 mRNA signal was also seen in the marginal nucleus. The results suggest that the pigeon DRG has an extrinsic glutamatergic origin that project to the dorsal horn and marginal nucleus of the spinal cord.
Y Atoji; M R Islam
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-10-12
Journal Detail:
Title:  Anatomia, histologia, embryologia     Volume:  38     ISSN:  1439-0264     ISO Abbreviation:  Anat Histol Embryol     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7704218     Medline TA:  Anat Histol Embryol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  475-8     Citation Subset:  IM    
Laboratory of Veterinary Anatomy, Faculty of Applied Biological Sciences, Gifu University, Gifu 501-1193, Japan.
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