MedStar Authors catalog › Details for: Lipoprotein subfractions and dietary intake of n-3 fatty acid: the Genetics of Coronary Artery Disease in Alaska Natives study.
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Lipoprotein subfractions and dietary intake of n-3 fatty acid: the Genetics of Coronary Artery Disease in Alaska Natives study.

by Wang, Hong; Umans, Jason G; Howard, Barbara V.
Citation: American Journal of Clinical Nutrition. 95(6):1315-22, 2012 Jun..Journal: The American journal of clinical nutrition.ISSN: 0002-9165.Full author list: Annuzzi G; Rivellese AA; Wang H; Patti L; Vaccaro O; Riccardi G; Ebbesson SO; Comuzzie AG; Umans JG; Howard BV.UI/PMID: 22572646.Subject(s): Adult | Alaska | Cardiovascular Diseases/eh [Ethnology] | *Cardiovascular Diseases/pc [Prevention & Control] | Coronary Artery Disease | *Diet/eh [Ethnology] | *Dietary Fats/ad [Administration & Dosage] | *Energy Intake/eh [Ethnology] | *Fatty Acids, Omega-3/pd [Pharmacology] | Female | Humans | Hyperlipidemias/eh [Ethnology] | *Inuits | *Lipoproteins/bl [Blood] | Lipoproteins, HDL/bl [Blood] | Lipoproteins, LDL/bl [Blood] | Lipoproteins, VLDL/bl [Blood] | Magnetic Resonance Spectroscopy | Male | Middle Aged | Questionnaires | Risk Factors | Sex FactorsInstitution(s): MedStar Health Research InstituteActivity type: Journal Article.Medline article type(s): Journal Article | Research Support, N.I.H., ExtramuralOnline resources: Click here to access online Digital Object Identifier: (Click here) Abbreviated citation: Am J Clin Nutr. 95(6):1315-22, 2012 Jun.Local Holdings: Available online from MWHC library: Sept 1992 - present, Available in print through MWHC library: 1999 - 2006.Abstract: BACKGROUND: Few studies have compared lipoprotein composition with dietary intake.Abstract: OBJECTIVE: The lipoprotein subfraction profile was evaluated in relation to diet in Alaska Eskimos at high cardiovascular risk but with a low frequency of hyperlipidemia and high intake of n-3 (omega-3) fatty acids.Abstract: DESIGN: A population-based sample (n = 1214) from the Norton Sound Region of Alaska underwent a physical examination and blood sampling. Analyses were from 977 individuals who did not have diabetes or use lipid-lowering medications and had complete dietary information (food-frequency questionnaire) and a lipoprotein subfraction profile (nuclear magnetic resonance spectroscopy).Abstract: RESULTS: After adjustment for age, BMI, total energy intake, and percentage of energy from fat, the intake of n-3 fatty acids was significantly associated with fewer large VLDLs (P = 0.022 in women, P = 0.064 in men), a smaller VLDL size (P = 0.018 and P = 0.036), more large HDLs (P = 0.179 and P = 0.021), and a larger HDL size (P = 0.004 and P = 0.001). After adjustment for carbohydrate and sugar intakes, large VLDLs (P = 0.042 and 0.018) and VLDL size (P = 0.011 and 0.025) remained negatively associated with n-3 fatty acid intake in women and men, and large HDLs (P = 0.067 and 0.005) and HDL size (P = 0.001 in both) remained positively associated with n-3 fatty acid intake in women and men. In addition, large LDLs (P = 0.040 and P = 0.025) were positively associated in both sexes, and LDL size (P = 0.006) showed a positive association in women. There were no significant relations with total LDL particles in either model.Abstract: CONCLUSIONS: Dietary n-3 fatty acids, independent of the reciprocal changes in carbohydrate and sugar intakes, are associated with an overall favorable lipoprotein profile in terms of cardiovascular risk. Because there are no relations with total LDL particles, the benefit may be related to cardiovascular processes other than atherosclerosis.

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