Simultaneous exposure of non-diabetics to high levels of dioxins and mercury increases their risk of insulin resistance

研究成果: Article

53 引文 斯高帕斯(Scopus)

摘要

Insulin resistance and the defective function of pancreatic β-cells can occur several years before the development of type 2 diabetes. It is necessary to investigate and clarify the integrated effects of moderate-to-high exposure to dioxins and mercury on the pancreatic endocrine function. This cross-sectional study investigated 1449 non-diabetic residents near a deserted pentachlorophenol and chloralkali factory. Metabolic syndrome related factors were measured to examine associations with serum dioxin and blood mercury. We also investigated associations between insulin resistance (HOMA-IR>75th percentile), defective pancreatic β-cells function (HOMA β-cell>75th percentile), serum dioxins and blood mercury. After adjusting for confounding factors, we found that insulin resistance increased with serum dioxins (b=0.13, P<0.001) and blood mercury (b=0.01, P<0.001). Moreover, participants with higher serum dioxins or blood mercury were at a significantly increasing risk for insulin resistance (Ptrend<0.001). The joint highest tertile of serum dioxins and blood mercury was associated with elevated HOMA-IR at 11 times the odds of the joint lowest tertile (AOR 11.00, 95% CI: 4.87, 26.63). We hypothesize that simultaneous exposure to dioxins and mercury heightens the risk of insulin resistance more than does individual exposure.

原文English
頁(從 - 到)749-755
頁數7
期刊Journal of Hazardous Materials
185
發行號2-3
DOIs
出版狀態Published - 2011 一月 30

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

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