Document Detail


Colocalization of immediate early genes in catecholamine cells after song exposure in female zebra finches (Taeniopygia guttata).
MedLine Citation:
PMID:  22572406     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The physiological state of animals in many taxonomic groups can be modified via social interactions including simply receiving communication signals from conspecifics. Here, we explore whether the catecholaminergic system of female songbirds responds during social interactions that are limited to song reception. We measured the protein product of an immediate early gene (ZENK) within three catecholaminergic brain regions in song-exposed (n = 11) and silence-exposed (n = 6) female zebra finches (Taeniopygia guttata). ZENK-ir induction was quantified in catecholamine cells as well as within cells of unknown phenotypes in three brain regions that synthesize catecholamines, the ventral tegmental area, the periaqueductal gray and the locus coeruleus (LoC). Our results reveal that there are no significant differences in the overall number of cells expressing ZENK between song- and silence-exposed females. However, when we limited our measurements to catecholamine-containing cells, we noticed a greater number of catecholamine-containing cells expressing ZENK within the LoC in the song-exposed females compared to silence-exposed females. Furthermore, we measured five behaviors during the song- and silence-exposed period, as behavioral differences between these groups may account for differences in the coinduction of ZENK and TH-ir. Our results reveal that there were no statistically significant differences in the five measured behaviors between song- and silence-exposed females. Our study demonstrates that noradrenergic cells within the LoC are involved in the neural architecture underlying sound perception and that cells within the catecholaminergic system are modulated by social interactions, particularly the reception of signals used in animal communication.
Authors:
Kathleen S Lynch; Bettina Diekamp; Gregory F Ball
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, N.I.H., Extramural     Date:  2012-05-03
Journal Detail:
Title:  Brain, behavior and evolution     Volume:  79     ISSN:  1421-9743     ISO Abbreviation:  Brain Behav. Evol.     Publication Date:  2012  
Date Detail:
Created Date:  2012-06-22     Completed Date:  2012-11-07     Revised Date:  2013-06-25    
Medline Journal Info:
Nlm Unique ID:  0151620     Medline TA:  Brain Behav Evol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  252-60     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Affiliation:
Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, MD, USA. lynchks@mail.utexas.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Auditory Perception / physiology*
Behavior, Animal / physiology
Catecholamines / metabolism
Early Growth Response Protein 1 / genetics,  metabolism*
Female
Finches / anatomy & histology,  metabolism*
Locus Coeruleus / cytology,  metabolism*
Periaqueductal Gray / cytology,  metabolism
RNA, Messenger / analysis
Sex Characteristics
Tissue Distribution
Tyrosine 3-Monooxygenase / metabolism
Ventral Tegmental Area / cytology,  metabolism
Vocalization, Animal / physiology*
Grant Support
ID/Acronym/Agency:
R01 NS 35467/NS/NINDS NIH HHS; R01 NS035467/NS/NINDS NIH HHS
Chemical
Reg. No./Substance:
0/Catecholamines; 0/Early Growth Response Protein 1; 0/RNA, Messenger; EC 1.14.16.2/Tyrosine 3-Monooxygenase
Comments/Corrections

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


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