Document Detail


Fatty acids measured in plasma and erythrocyte-membrane phospholipids and derived by food-frequency questionnaire and the risk of new-onset type 2 diabetes: a pilot study in the European Prospective Investigation into Cancer and Nutrition (EPIC)-Norfolk cohort.
MedLine Citation:
PMID:  20861175     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Epidemiologic evidence for the association between types of fatty acid and risk of type 2 diabetes is inconsistent. This may in part be due to the limitations of fatty acid measurement methods. OBJECTIVE: The objective was to use 3 different measures of fatty acid to estimate the prospective association between fatty acid composition and development of incident diabetes. DESIGN: We analyzed 199 cases of clinically incident diabetes and 184 noncases aged 40-79 y at baseline in the EPIC (European Prospective Investigation into Cancer and Nutrition)-Norfolk study. Fatty acids were derived from a food-frequency questionnaire (FFQ) and measured in plasma phospholipid (P-FA) and erythrocyte-membrane phospholipid (Ery-FA) fractions by gas chromatography. RESULTS: There were stronger associations with diabetes risk with the use of objectively measured fatty acids (P-FA and Ery-FA) than with the FFQ in analyses adjusted for age, sex, and potential confounders. Positive associations with diabetes were greater in magnitude with the use of P-FA than with Ery-FA (highest:lowest tertiles): for example, the palmitic acid odds ratios (ORs) were 2.47 (95% CI: 1.37, 4.46) and 1.96 (95% CI: 1.10, 3.49), respectively. Inverse associations with diabetes were also stronger with the use of P-FA than with Ery-FA: for example, the OR for linoleic acid was 0.50 (95% CI: 0.28, 0.91) compared with 0.77 (95% CI: 0.43, 1.37), respectively. CONCLUSIONS: The objective measurement of fatty acids with the use of either P-FA or Ery-FA identifies important associations with diabetes incidence that may be missed when assessed by FFQ. Fatty acids measured in P-FA appear to be more strongly associated with diabetes incidence. These findings endorse the use of objective measurement of fatty acids for nutritional-epidemiologic studies, and the apparently stronger findings for the plasma fraction should be confirmed in larger studies and in different populations.
Authors:
Pinal S Patel; Stephen J Sharp; Eugene Jansen; Robert N Luben; Kay-Tee Khaw; Nicholas J Wareham; Nita G Forouhi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Validation Studies     Date:  2010-09-22
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  92     ISSN:  1938-3207     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-21     Completed Date:  2010-11-09     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1214-22     Citation Subset:  AIM; IM    
Affiliation:
Medical Research Council Epidemiology Unit, Cambridge, United Kingdom.
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MeSH Terms
Descriptor/Qualifier:
Aged
Diabetes Mellitus, Type 2 / blood,  etiology*
Diet Records
Dietary Fats / adverse effects*
Erythrocyte Membrane / chemistry*
Fatty Acids / adverse effects,  blood*
Female
Humans
Male
Middle Aged
Phospholipids / blood,  chemistry*
Pilot Projects
Prospective Studies
Questionnaires*
Risk Factors
Grant Support
ID/Acronym/Agency:
//British Heart Foundation; //Cancer Research UK; //Department of Health; //Medical Research Council; //Wellcome Trust
Chemical
Reg. No./Substance:
0/Dietary Fats; 0/Fatty Acids; 0/Phospholipids

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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