Document Detail


Calcium-binding proteins in GABAergic calyciform synapses of the reticular nucleus.
MedLine Citation:
PMID:  16603914     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Large calyciform synapses in the rat reticular thalamic nucleus are characterized by the presence of gamma-aminobutyric acid. Presynaptic terminals are also loaded with calcium-binding proteins such as parvalbumin, calbindin, calretinin and calcineurin. The number of calyciform terminals containing gamma-aminobutyric acid and parvalbumin is 2005 in young adult rats; calbindin is present in 1,500, calretinin in 850 and calcineurin in 560 calyciform terminals. Developmental studies revealed that gamma-aminobutyric acid and calcium-binding proteins are virtually absent from calyciform terminals at birth but their occurrence increased considerably during postnatal life, suggesting increasing regulation of presynaptic calcium signaling during postnatal life. It is concluded that synaptic activity of large calyciform gamma-aminobutyric acid-containing synapses of the reticular thalamic nucleus is mediated, regulated or accompanied by calcium ions.
Authors:
Bertalan Csillik; Andras Mihaly; Beata Krisztin-Peva; Robert Fenyo; Elizabeth Knyihar-Csillik
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuroreport     Volume:  17     ISSN:  0959-4965     ISO Abbreviation:  Neuroreport     Publication Date:  2006 Apr 
Date Detail:
Created Date:  2006-04-10     Completed Date:  2006-07-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9100935     Medline TA:  Neuroreport     Country:  England    
Other Details:
Languages:  eng     Pagination:  575-8     Citation Subset:  IM    
Affiliation:
Department of Anatomy, Albert Szent-Gyorgyi Medical and Pharmaceutical Center, University of Szeged, Hungary. csillik@anatomy.szote.u-szeged.hu
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MeSH Terms
Descriptor/Qualifier:
Age Factors
Animals
Animals, Newborn
Calcium-Binding Proteins / metabolism*
Female
Immunohistochemistry / methods
Male
Microscopy, Immunoelectron / methods
Midline Thalamic Nuclei / cytology*,  metabolism
Neurons / metabolism,  ultrastructure
Presynaptic Terminals / metabolism,  ultrastructure
Rats
Rats, Wistar
Synapses / metabolism*,  ultrastructure
gamma-Aminobutyric Acid / metabolism*
Chemical
Reg. No./Substance:
0/Calcium-Binding Proteins; 56-12-2/gamma-Aminobutyric Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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