Document Detail

Differential distribution of neurotransmitter amino acids from the limbic system of aggressive and non-aggressive bull strains.
MedLine Citation:
PMID:  2875474     Owner:  NLM     Status:  MEDLINE    
The amino acid content of crude synaptosomal fractions from the limbic system and related CNS regions showed significant differences between the aggressive Spanish fighting-bull and the non-aggressive Friesan bull breeds. Neurotransmitter amino acids (glutamate, aspartate, GABA and glycine) were the most unequally distributed. A higher ratio of excitatory to inhibitory neurotransmitter amino acids was always found in all the CNS regions studied in the aggressive breed. The concentrations of five non-transmitter amino acids (threonine, alanine, serine, leucine and isoleucine) showed minor variations between both studied bull strains and cannot be ascribed to differences in central energy metabolism. The results are explained in terms of a possible relationship between the amino acid neurotransmitter levels and the innate aggressiveness of the Spanish fighting-bull.
J Muñoz-Blanco; B Yusta; F Cordoba
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Pharmacology, biochemistry, and behavior     Volume:  25     ISSN:  0091-3057     ISO Abbreviation:  Pharmacol. Biochem. Behav.     Publication Date:  1986 Jul 
Date Detail:
Created Date:  1986-10-16     Completed Date:  1986-10-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0367050     Medline TA:  Pharmacol Biochem Behav     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  71-5     Citation Subset:  IM    
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MeSH Terms
Aggression / physiology*
Amino Acids / analysis*
Cattle / physiology*
Limbic System / analysis*,  physiology
Neurotransmitter Agents / analysis*
Species Specificity
Synaptosomes / analysis
Reg. No./Substance:
0/Amino Acids; 0/Neurotransmitter Agents

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