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논문 기본 정보

자료유형
학술저널
저자정보
(경희대학교) (강원대학교) (Kyung Hee University) (경희대학교) (Uppsala University) (Uppsala University) (학교법인 을지대학병원)
저널정보
대한내분비학회 Endocrinology and Metabolism Endocrinology and Metabolism Vol.36 No.2
발행연도
수록면
436 - 446 (11page)

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초록· 키워드

Background: High circulating levels of dioxins and dioxin-like chemicals, acting via the aryl hydrocarbon receptor (AhR), havepreviously been linked to diabetes. We now investigated whether the serum AhR ligands (AhRL) were higher in subjects with metabolic syndrome (MetS) and in subjects who had developed a worsened glucose tolerance over time. Methods: Serum AhRL at baseline was measured by a cell-based AhRL activity assay in 70-year-old subjects (n=911) in the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study. The main outcome measures were prevalent MetS andworsening of glucose tolerance over 5 years of follow-up. Results: AhRL was significantly elevated in subjects with prevalent MetS as compared to those without MetS, following adjustmentfor sex, smoking, exercise habits, alcohol intake and educational level (P=0.009). AhRL at baseline was higher in subjects who developed impaired fasting glucose or diabetes at age 75 years than in those who remained normoglycemic (P=0.0081). The odds ratio(OR) of AhRL for worsening glucose tolerance over 5 years was 1.43 (95% confidence interval [CI], 1.13 to 1.81; P=0.003, continuous variables) and 2.81 (95% CI, 1.31 to 6.02; P=0.008, in the highest quartile) adjusted for sex, life style factors, body mass index,and glucose. Conclusion: These findings support a large body of epidemiologic evidence that exposure to AhR transactivating substances, suchas dioxins and dioxin-like chemicals, might be involved in the pathogenesis of MetS and diabetes development. Measurement of serum AhRL in humans can be a useful tool in predicting the onset of metabolic disorders.
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