Serum n-6 fatty acids and lipoprotein subclasses in middle-aged men: the population-based cross-sectional ERA-JUMP Study  

Oleh:

Jina, Choo ; Hirotsugu, Ueshima ; Curb, J. David ; Chol, Shin ; Evans, Rhobert W

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Clinical Nutrition vol. 91 no. 05 (May 2010), page 1195-1203 .
Topik: Serum n-6 fatty acids; lipoprotein; the population-based cross-sectional ERA-JUMP Study

Ketersediaan

Perpustakaan FK Nomor Panggil: A07.K.2010.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Background: The associations of serum omega-6 (n-6) fatty acids with lipoprotein subclasses at the population level are uncertain. Objective: We aimed to examine associations between major n-6 fatty acids [ie, linoleic acid (LA, 18:2n-6) and arachidonic acid (AA, 20:4n-6)] and the lipoprotein subclasses VLDL, LDL, and HDL. Design: We conducted a cross-sectional study in 1098 participants using population-based data from US white, Japanese American, Japanese, and Korean men aged 40–49 y. Serum fatty acids were analyzed by capillary gas-liquid chromatography. Lipoprotein subclasses were measured by nuclear magnetic resonance spectroscopy. Multiple linear regression models as a function of each fatty acid were used after adjustment for age, population, body mass index, pack-years of smoking, alcohol consumption, diabetes, hypertension, and omega-3 (n-3) and trans fatty acids. Results: Serum LA was inversely associated with large VLDL (ß = -0.62, P < 0.001), total LDL (ß = -22.08, P < 0.001), and small LDL (ß = -31.89, P < 0.001) particle concentrations and VLDL size (ß = -0.72, P < 0.001). Serum LA was positively associated with large HDL particle concentration (ß = 0.21, P < 0.001) and HDL size (ß = 0.03, P < 0.001). The patterns of association of AA with large VLDL and large HDL particle concentrations were comparable with those of LA. Conclusions: At the population level, higher serum concentrations of LA were significantly associated with lower concentrations of total LDL particles. Higher serum concentrations of LA and AA were significantly associated with a lower concentration of large VLDL particles and a higher concentration of large HDL particles. These associations were consistent across the population groups. This trial was registered at clinicaltrials.

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