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Association of urinary metal profiles with altered glucose levels and diabetes risk: a population-based study in China.


ABSTRACT:

Background

Elevated heavy metals and fasting plasma glucose (FPG) levels were both associated with increased risk of cardiovascular diseases. However, studies on the associations of heavy metals and essential elements with altered FPG and diabetes risk were limited or conflicting. The objective of this study was to evaluate the potential associations of heavy metals and essential trace elements with FPG and diabetes risk among general Chinese population.

Methods

We conducted a cross-sectional study to investigate the associations of urinary concentrations of 23 metals with FPG, impaired fasting glucose (IFG) and diabetes among 2242 community-based Chinese adults in Wuhan. We used the false discovery rate (FDR) method to correct for multiple hypothesis tests.

Results

After adjusting for potential confounders, urinary aluminum, titanium, cobalt, nickel, copper, zinc, selenium, rubidium, strontium, molybdenum, cadmium, antimony, barium, tungsten and lead were associated with altered FPG, IFG or diabetes risk (all P< 0.05); arsenic was only dose-dependently related to diabetes (P< 0.05). After additional adjustment for multiple testing, titanium, copper, zinc, selenium, rubidium, tungsten and lead were still significantly associated with one or more outcomes (all FDR-adjusted P< 0.05).

Conclusions

Our results suggest that multiple metals in urine are associated with FPG, IFG or diabetes risk. Because the cross-sectional design precludes inferences about causality, further prospective studies are warranted to validate our findings.

SUBMITTER: Feng W 

PROVIDER: S-EPMC4395404 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Publications

Association of urinary metal profiles with altered glucose levels and diabetes risk: a population-based study in China.

Feng Wei W   Cui Xiuqing X   Liu Bing B   Liu Chuanyao C   Xiao Yang Y   Lu Wei W   Guo Huan H   He Meian M   Zhang Xiaomin X   Yuan Jing J   Chen Weihong W   Wu Tangchun T  

PloS one 20150413 4


<h4>Background</h4>Elevated heavy metals and fasting plasma glucose (FPG) levels were both associated with increased risk of cardiovascular diseases. However, studies on the associations of heavy metals and essential elements with altered FPG and diabetes risk were limited or conflicting. The objective of this study was to evaluate the potential associations of heavy metals and essential trace elements with FPG and diabetes risk among general Chinese population.<h4>Methods</h4>We conducted a cro  ...[more]

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