Document Detail


Higher branched-chain amino acid intake is associated with a lower prevalence of being overweight or obese in middle-aged East Asian and Western adults.
MedLine Citation:
PMID:  21169225     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Beneficial effects on body weight of supplementation with BCAA, including leucine, isoleucine, and valine, have been observed in animal and human studies. However, population-based studies on dietary BCAA intake and body weight are lacking. The objective of this study was to examine the association between dietary BCAA intake and risk of overweight status/obesity among multi-ethnic populations. The International Study of Macro-/Micronutrients and Blood Pressure is a cross-sectional epidemiological investigation in China, Japan, the UK, and the US. The study cohort included 4429 men and women ages 40-59 y who were free of diabetes. Diet was assessed by 4 multi-pass 24-h recalls; data on nutrients including BCAA were derived from country-specific food tables. Overweight status and obesity were defined as BMI ≥ 25 and BMI ≥ 30 kg/m(2), respectively. Multivariable-adjusted OR of overweight status/obesity and 95% CI by quartiles of BCAA intake were estimated by logistic regression. Mean BCAA intake was 2.6 ± 0.6% energy; intake was significantly lower among Chinese participants and similar among participants from the other 3 countries. Compared with those in the first quartile, the multivariable-adjusted OR (95% CI) of overweight status from the 2nd to 4th quartiles of BCAA intake were 0.97 (0.80-1.17), 0.91 (0.75-1.11), and 0.70 (0.57-0.86), respectively (P-trend < 0.01). BCAA intake and obesity were also inversely associated (P-trend = 0.03). In conclusion, higher dietary BCAA intake is associated with lower prevalence of overweight status/obesity among apparently healthy middle-aged adults from East Asian and Western countries.
Authors:
Li-Qiang Qin; Pengcheng Xun; Deborah Bujnowski; Martha L Daviglus; Linda Van Horn; Jeremiah Stamler; Ka He;
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2010-12-15
Journal Detail:
Title:  The Journal of nutrition     Volume:  141     ISSN:  1541-6100     ISO Abbreviation:  J. Nutr.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-21     Completed Date:  2011-02-23     Revised Date:  2012-02-01    
Medline Journal Info:
Nlm Unique ID:  0404243     Medline TA:  J Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  249-54     Citation Subset:  IM    
Affiliation:
Department of Nutrition, Gillings School of Global Public Health and School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Amino Acids, Branched-Chain / administration & dosage,  therapeutic use*
China / epidemiology
Diet*
Diet Records
Female
Great Britain / epidemiology
Humans
Japan / epidemiology
Logistic Models
Male
Middle Aged
Obesity / epidemiology,  prevention & control*
Odds Ratio
Overweight / epidemiology,  prevention & control*
Prevalence
Risk Factors
United States / epidemiology
Grant Support
ID/Acronym/Agency:
R01HL50490/HL/NHLBI NIH HHS; R21DK073812/DK/NIDDK NIH HHS
Chemical
Reg. No./Substance:
0/Amino Acids, Branched-Chain

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