Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
Vascular Medicine
Lipoprotein Metabolism, Insulin Resistance, and Adipocytokine Levels in Japanese Female Adolescents With a Normal Body Mass Index and High Body Fat Mass
Noriaki KishimotoKoichi OkitaShingo TakadaIchiro SakumaYasuaki SaijoHitoshi ChibaKojiro IshiiReiko KishiHiroyuki Tsutsui
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2009 Volume 73 Issue 3 Pages 534-539

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Abstract

Background: The prevalence of obesity is gradually increasing in Japan, but in women aged in their 20 s to 50 s it has been disproportionately decreasing. However, the exact body composition of this subset of the population has not been elucidated. Methods and Results: Body composition was determined using whole-body dual energy X-ray absorptiometry and metabolic parameters in 157 Japanese female university students (21.1±1.9 years); 31 women had a normal body mass index (BMI), but an increased body fat mass (BFM). Only the 31 had significantly higher low-density lipoprotein-cholesterol levels (90.5 vs 99.0 mg/dl, P<0.01) and leptin concentration (7.0 vs 4.6 ng/ml, P<0.05) and lower high-density lipoprotein-cholesterol (80.4±15.1 vs 73.5±14.5 mg/dl, P<0.01) than females with normal BMI and normal BFM. Conclusions: A considerable number of young Japanese women with a normal BMI have excess BFM and relatively higher lipid and leptin levels. These findings may provide an important basis for future epidemiological surveys and studies. (Circ J 2009; 73: 534 - 539)

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© 2009 THE JAPANESE CIRCULATION SOCIETY
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