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J Lipid Res. 2003 Dec;44(12):2356-64. Epub 2003 Sep 1.

Visceral fat accumulation determines postprandial lipemic response, lipid peroxidation, DNA damage, and endothelial dysfunction in nonobese Korean men.

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  • 1Division of Cardiology, Cardiovascular Genome Center, Yonsei Medical Institute, Yonsei University, Seoul, 120-749 Korea.

Abstract

Visceral fat has been associated with multiple cardiovascular disease (CVD) risk factors. The aim of this study was to identify anthropometrical measures most closely associated with some well-known CVD risk factors. Because most Asians at risk have normal body mass index (BMI) according to Western standards, we studied healthy nonobese Korean males (n = 102; age: 36.5 +/- 0.8 years, BMI: 23.8 +/- 0.2 kg/m2). Visceral fat area (VFA) at the fourth lumbar vertebra was associated with increased postprandial triglyceride (TG) response (r = 0.53, P < 0.001) and with plasma malondialdehyde (MDA) (r = 0.36, P < 0.01) and PGF2alpha (r = 0.24, P < 0.05). When matched for BMI and age, men with high VFA (HVFA) (>/=100 cm2; n = 27) had higher blood pressure (P < 0.01), increased consumption of cigarettes (P < 0.01), and lower ratio of energy expenditure to calorie intake (P < 0.01) as compared with low VFA men (<100 cm2; n = 27). Men with HVFA showed higher TG, glucose, and insulin responses following fat and oral glucose tolerance tests respectively higher plasma concentrations of MDA (P < 0.001), urinary PGF2alpha (P < 0.05), and lymphocytes deoxyribonucleic acid tail moments (P < 0.01). Conversely, HVFA was associated with lower testosterone, insulin-like growth factor-1, and brachial artery flow-mediated dilation (P < 0.001). In conclusion, our data indicate that visceral fat accumulation, even in nonobese men, is a major factor contributing to increased CVD risk.

PMID:
12951360
[PubMed - indexed for MEDLINE]
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