Document Detail

Participation of blood cells in the changes of blood amino acid concentrations during maximal exercise.
MedLine Citation:
PMID:  10715592     Owner:  NLM     Status:  PubMed-not-MEDLINE    
We determined the participation of the cellular compartment in the changes of plasma amino acid concentrations during maximal exercise test on a cycle ergometer. Following an overnight fast, male athletes were submitted to a maximal exercise test until fatigue (for 25 min approximately) to determine maximal oxygen uptake. The amino acid concentrations in total blood, plasma, and blood cells were determined before and after the maximal exercise test. Most essential amino acids were decreased significantly in the total blood concentration as a result of the maximal exercise test. However, the concentrations of most nonessential amino acids tended to be significantly increased. Amino acid concentration was increased most in plasma. Concentrations of blood cell alanine and proline were significantly increased by 26% and 15%, respectively, after the maximal exercise test. No significant differences in blood cell concentrations of other amino acids induced by the exercise test were found, although the amount of tryptophan in blood cells was increased after exhaustive exercise.
A Aguiló; E Castaño; P Tauler; M P Guix; N Serra; A Pons
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of nutritional biochemistry     Volume:  11     ISSN:  0955-2863     ISO Abbreviation:  J. Nutr. Biochem.     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2004-06-21     Completed Date:  2005-03-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010081     Medline TA:  J Nutr Biochem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  81-6     Citation Subset:  -    
Bioquímica i Biologia Molecular, Departament de Biologia Fonamental i Ciències de la Salut, Universitat de les Illes Balears, Balears, Spain.
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