Abstract

Associations between metabolic syndrome (MetS) with serum adipokines and basal lipoprotein lipase mass (serum LPL) have not been extensively studied in elderly Asians, who in general have lower body mass index than European populations. A cross-sectional analysis was conducted including 159 community-living elderly Japanese women whose age averaged 77 years. MetS was defined by the modified National Cholesterol Education Program Adult Treatment Panel III criteria, but using a body mass index ≥25 kg/m(2) instead of waist circumference. Serum LPL, leptin, adiponectin, plasminogen activator inhibitor 1 (PAI-1), interleukin-6, tumor necrosis factor-alpha, and high-sensitivity C-reactive protein were measured. Both the presence of MetS and the number of MetS components were associated with higher homeostasis assessment of insulin resistance, serum levels of leptin, PAI-1, and tumor necrosis factor-alpha and with lower serum levels of LPL and adiponectin (all P < 0.05), but not with high-sensitivity C-reactive protein and interleukin-6. Among six biomarkers of MetS, PAI-1 remained associated with MetS independent of fat mass index and insulin resistance. Although proinflammatory, prothrombotic, and anti-inflammatory states were associated with MetS, higher PAI-1 was associated with MetS independent of fat mass index and insulin resistance in elderly Japanese women, in whom obesity is rare.

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