Association between serum concentrations of persistent organic pollutants and insulin resistance among nondiabetic adults

Results from the National Health and Nutrition Examination Survey 1999-2002

Duk Hee Lee, I. N.Kyu Lee, Soo Hee Jin, Michael W Steffes, David R Jacobs Jr

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Abstract

OBJECTIVE - We reported strong relations between serum concentrations of persistent organic pollutants (POPs), especially organochlorine (OC) pesticides or nondioxin-like polychlorinated biphenyls (PCBs), and prevalence of diabetes in a U.S population with background exposure to POPs. Here, we investigated POPs and insulin resistance, a frequent pathogenic precursor of type 2 diabetes. RESEARCH DESIGN AND METHODS - Serum POPs and homeostasis model assessment of insulin resistance (HOMA-IR) were investigated cross-sectionally in 749 nondiabetic participants aged ≥20 years. Nineteen POPs in five subclasses were selected, detectable in ≥60% of participants. RESULTS - Among subclasses, OC pesticides were most strongly associated with HOMA-IR. Adjusted geometric means of HOMA were 3.27, 3.36, 3.48, and 3.85 (P for trend <0.01) across quartiles of OC pesticides. The relationship strengthened with increasing HOMA-IR percentile: adjusted odds ratios comparing the highest versus lowest POPs quartile were 1.8 for being ≥50th percentile of HOMA-IR, 4.4 for being ≥75th percentile, and 7.5 for being ≥90th percentile. Associations with elevated HOMA-IR appeared to be specific to oxychlordane and trans-nonachlor but also were found for two nondioxin-like PCBs. No HOMA-IR associations were seen in the other three POP subclasses. The association between OC pesticides and HOMA-IR tended to strengthen as waist circumference increased, with no apparent association in the lowest quartile of OC pesticide concentrations. CONCLUSIONS - These findings, coupled with those concerning diabetes prevalence, suggest that OC pesticides and nondioxin-like PCBs may be associated with type 2 diabetes risk by increasing insulin resistance, and POPs may interact with obesity to increase the risk of type 2 diabetes.

Original languageEnglish (US)
Pages (from-to)622-628
Number of pages7
JournalDiabetes care
Volume30
Issue number3
DOIs
StatePublished - Mar 1 2007

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Nutrition Surveys
Insulin Resistance
Pesticides
Homeostasis
Serum
Polychlorinated Biphenyls
Type 2 Diabetes Mellitus
Waist Circumference
Research Design
Obesity
Odds Ratio

Cite this

@article{d9bffd797e514f1bbfdc2bf511e532ee,
title = "Association between serum concentrations of persistent organic pollutants and insulin resistance among nondiabetic adults: Results from the National Health and Nutrition Examination Survey 1999-2002",
abstract = "OBJECTIVE - We reported strong relations between serum concentrations of persistent organic pollutants (POPs), especially organochlorine (OC) pesticides or nondioxin-like polychlorinated biphenyls (PCBs), and prevalence of diabetes in a U.S population with background exposure to POPs. Here, we investigated POPs and insulin resistance, a frequent pathogenic precursor of type 2 diabetes. RESEARCH DESIGN AND METHODS - Serum POPs and homeostasis model assessment of insulin resistance (HOMA-IR) were investigated cross-sectionally in 749 nondiabetic participants aged ≥20 years. Nineteen POPs in five subclasses were selected, detectable in ≥60{\%} of participants. RESULTS - Among subclasses, OC pesticides were most strongly associated with HOMA-IR. Adjusted geometric means of HOMA were 3.27, 3.36, 3.48, and 3.85 (P for trend <0.01) across quartiles of OC pesticides. The relationship strengthened with increasing HOMA-IR percentile: adjusted odds ratios comparing the highest versus lowest POPs quartile were 1.8 for being ≥50th percentile of HOMA-IR, 4.4 for being ≥75th percentile, and 7.5 for being ≥90th percentile. Associations with elevated HOMA-IR appeared to be specific to oxychlordane and trans-nonachlor but also were found for two nondioxin-like PCBs. No HOMA-IR associations were seen in the other three POP subclasses. The association between OC pesticides and HOMA-IR tended to strengthen as waist circumference increased, with no apparent association in the lowest quartile of OC pesticide concentrations. CONCLUSIONS - These findings, coupled with those concerning diabetes prevalence, suggest that OC pesticides and nondioxin-like PCBs may be associated with type 2 diabetes risk by increasing insulin resistance, and POPs may interact with obesity to increase the risk of type 2 diabetes.",
author = "Lee, {Duk Hee} and Lee, {I. N.Kyu} and Jin, {Soo Hee} and Steffes, {Michael W} and {Jacobs Jr}, {David R}",
year = "2007",
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doi = "10.2337/dc06-2190",
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T1 - Association between serum concentrations of persistent organic pollutants and insulin resistance among nondiabetic adults

T2 - Results from the National Health and Nutrition Examination Survey 1999-2002

AU - Lee, Duk Hee

AU - Lee, I. N.Kyu

AU - Jin, Soo Hee

AU - Steffes, Michael W

AU - Jacobs Jr, David R

PY - 2007/3/1

Y1 - 2007/3/1

N2 - OBJECTIVE - We reported strong relations between serum concentrations of persistent organic pollutants (POPs), especially organochlorine (OC) pesticides or nondioxin-like polychlorinated biphenyls (PCBs), and prevalence of diabetes in a U.S population with background exposure to POPs. Here, we investigated POPs and insulin resistance, a frequent pathogenic precursor of type 2 diabetes. RESEARCH DESIGN AND METHODS - Serum POPs and homeostasis model assessment of insulin resistance (HOMA-IR) were investigated cross-sectionally in 749 nondiabetic participants aged ≥20 years. Nineteen POPs in five subclasses were selected, detectable in ≥60% of participants. RESULTS - Among subclasses, OC pesticides were most strongly associated with HOMA-IR. Adjusted geometric means of HOMA were 3.27, 3.36, 3.48, and 3.85 (P for trend <0.01) across quartiles of OC pesticides. The relationship strengthened with increasing HOMA-IR percentile: adjusted odds ratios comparing the highest versus lowest POPs quartile were 1.8 for being ≥50th percentile of HOMA-IR, 4.4 for being ≥75th percentile, and 7.5 for being ≥90th percentile. Associations with elevated HOMA-IR appeared to be specific to oxychlordane and trans-nonachlor but also were found for two nondioxin-like PCBs. No HOMA-IR associations were seen in the other three POP subclasses. The association between OC pesticides and HOMA-IR tended to strengthen as waist circumference increased, with no apparent association in the lowest quartile of OC pesticide concentrations. CONCLUSIONS - These findings, coupled with those concerning diabetes prevalence, suggest that OC pesticides and nondioxin-like PCBs may be associated with type 2 diabetes risk by increasing insulin resistance, and POPs may interact with obesity to increase the risk of type 2 diabetes.

AB - OBJECTIVE - We reported strong relations between serum concentrations of persistent organic pollutants (POPs), especially organochlorine (OC) pesticides or nondioxin-like polychlorinated biphenyls (PCBs), and prevalence of diabetes in a U.S population with background exposure to POPs. Here, we investigated POPs and insulin resistance, a frequent pathogenic precursor of type 2 diabetes. RESEARCH DESIGN AND METHODS - Serum POPs and homeostasis model assessment of insulin resistance (HOMA-IR) were investigated cross-sectionally in 749 nondiabetic participants aged ≥20 years. Nineteen POPs in five subclasses were selected, detectable in ≥60% of participants. RESULTS - Among subclasses, OC pesticides were most strongly associated with HOMA-IR. Adjusted geometric means of HOMA were 3.27, 3.36, 3.48, and 3.85 (P for trend <0.01) across quartiles of OC pesticides. The relationship strengthened with increasing HOMA-IR percentile: adjusted odds ratios comparing the highest versus lowest POPs quartile were 1.8 for being ≥50th percentile of HOMA-IR, 4.4 for being ≥75th percentile, and 7.5 for being ≥90th percentile. Associations with elevated HOMA-IR appeared to be specific to oxychlordane and trans-nonachlor but also were found for two nondioxin-like PCBs. No HOMA-IR associations were seen in the other three POP subclasses. The association between OC pesticides and HOMA-IR tended to strengthen as waist circumference increased, with no apparent association in the lowest quartile of OC pesticide concentrations. CONCLUSIONS - These findings, coupled with those concerning diabetes prevalence, suggest that OC pesticides and nondioxin-like PCBs may be associated with type 2 diabetes risk by increasing insulin resistance, and POPs may interact with obesity to increase the risk of type 2 diabetes.

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U2 - 10.2337/dc06-2190

DO - 10.2337/dc06-2190

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JF - Diabetes Care

SN - 1935-5548

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