Document Detail

Intracerebroventricular injection of orexin-A, but not orexin-B, induces arousal of layer-type neonatal chicks.
MedLine Citation:
PMID:  20595012     Owner:  NLM     Status:  In-Process    
In order to determine if orexins affect arousal in neonatal chicks, we intracerebroventricularly (ICV) injected either orexin-A or orexin-B to layer and broiler type chicks (Gallus gallus) and measured their behaviors and food intake following injection. Layer chicks treated with orexin-A at 0.2 and 2.0 nmol had increased arousal but their food intake was not affected. However, arousal was not affected in broiler chicks treated with orexin-A, but they spent less time feeding. When orexin-B was administered to layer and broiler chicks, neither had altered arousal and their food intake was not affected. Therefore, the orexin peptides may differentially affect arousal in the two stocks tested; orexin-A causes a stock dependant increase whereas orexin-B does not affect either.
S Katayama; K Hamasu; K Shigemi; M A Cline; M Furuse
Publication Detail:
Type:  Journal Article     Date:  2010-06-08
Journal Detail:
Title:  Comparative biochemistry and physiology. Part A, Molecular & integrative physiology     Volume:  157     ISSN:  1531-4332     ISO Abbreviation:  Comp. Biochem. Physiol., Part A Mol. Integr. Physiol.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-07-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9806096     Medline TA:  Comp Biochem Physiol A Mol Integr Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  132-5     Citation Subset:  IM    
Copyright Information:
2010 Elsevier Inc. All rights reserved.
Kyushu University, Fukuoka, Japan.
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