Fatty Liver Is Independently Associated With Alterations in Circulating HDL2 and HDL3 Subfractions  

Oleh:

Kantartzis, Konstantinos ; Rittig, Kilian ; Cegan, Alexander ; Machann, Jurgen ; and Others

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 31 no. 02 (Feb. 2008), page 366.
Topik: apo; apolipoprotein ; IMT; intima-media thickness

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2008.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

INTRODUCTION Fatty liver is associated with insulin resistance, atherosclerosis, and the metabolic syndrome (1–7) and predicts future cardiovascular events (4–8). The pro-atherogenic serum lipid profile in subjects with fatty liver is characterized by elevated levels of triglycerides, low HDL cholesterol, and an increase in small dense LDL particles (9–12). Regarding HDL, not only quantitative, but also qualitative and compositional alterations are related to its antiatherogenic properties (13–16). In particular, circulating HDL2 was found to protect from atherosclerosis (17,18). In the present study, we first investigated whether fatty liver is associated with altered circulating HDL cholesterol subfractions and second whether this relationship is independent of insulin sensitivity, thus possibly representing a direct link between fatty liver and cardiovascular disease. RESEARCH DESIGN AND METHODS In our ongoing study on the pathophysiology of type 2 diabetes, 300 Caucasians were carefully characterized for fatty liver and its associated metabolic characteristics (19). To select a subgroup that was representative for the percentage of subjects having fatty liver (liver fat >5.56%) (20) in our large cohort (40%) and in whom enough sample volume was available to measure the HDL cholesterol subfractions, we randomly selected 8 men and 8 women with fatty liver and 24 control subjects. The subjects underwent a 75-g oral glucose tolerance test to exclude diabetes and calculate insulin sensitivity (21). Total body fat was measured by bioelectrical impedance, visceral fat by magnetic resonance (MR) tomography, and liver fat by 1H-MR spectroscopy (19). Serum total, . . .

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