Document Detail


Dietary essential amino acids are highly anabolic in pediatric patients with cystic fibrosis.
MedLine Citation:
PMID:  23357545     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Current nutritional approaches have been partially successful in Cystic Fibrosis (CF). Essential amino acids mixtures with high Leucine levels (EAA) have anabolic properties in catabolic conditions, however data in CF are lacking.
METHODS: On two days according a randomized crossover design, 15 pediatric CF patients ingested 6.7 g EAA versus mixture of total amino acids as present in whey. Whole body protein and Arginine metabolism (as EAA lack Arginine) were assessed by stable isotope methodology.
RESULTS: Protein synthesis (P<0.05) but not protein breakdown was higher after EAA and 70% higher values for net anabolism (P<0.001)were found both in patients with and without nutritional failure. Arginine turnover was lower (P<0.001) and de novo Arginine synthesis tended lower (P=0.09) after EAA. Nitric oxide synthesis was not different.
CONCLUSIONS: CF patients are highly responsive to EAA intake independent of their nutritional status. Addition of Arginine to the EAA mixture may be warranted in CF.
Authors:
Mariëlle P K J Engelen; Gulnur Com; Robert R Wolfe; Nicolaas E P Deutz
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2013-01-26
Journal Detail:
Title:  Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society     Volume:  12     ISSN:  1873-5010     ISO Abbreviation:  J. Cyst. Fibros.     Publication Date:  2013 Sep 
Date Detail:
Created Date:  2013-08-27     Completed Date:  2013-12-30     Revised Date:  2014-09-02    
Medline Journal Info:
Nlm Unique ID:  101128966     Medline TA:  J Cyst Fibros     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  445-53     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 European Cystic Fibrosis Society. Published by Elsevier B.V. All rights reserved.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Amino Acids, Essential / metabolism*
Child
Cross-Over Studies
Cystic Fibrosis / metabolism*
Diet*
Female
Humans
Male
Young Adult
Grant Support
ID/Acronym/Agency:
S10 RR027047/RR/NCRR NIH HHS; S10RR027047/RR/NCRR NIH HHS
Chemical
Reg. No./Substance:
0/Amino Acids, Essential
Comments/Corrections

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