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Arsenic Exposure, Arsenic Metabolism, and Glycemia: Results from a Clinical Population in New York City

Author

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  • Fen Wu

    (Department of Population Health, New York University School of Medicine, New York, NY 10016, USA)

  • Yu Chen

    (Department of Population Health, New York University School of Medicine, New York, NY 10016, USA
    Department of Environmental Medicine, New York University School of Medicine, New York, NY 10016, USA)

  • Ana Navas-Acien

    (Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY 10032, USA)

  • Michela L. Garabedian

    (Division of Cardiology and the Center for the Prevention of Cardiovascular Disease, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA)

  • Jane Coates

    (Division of Cardiology and the Center for the Prevention of Cardiovascular Disease, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA)

  • Jonathan D. Newman

    (Division of Cardiology and the Center for the Prevention of Cardiovascular Disease, Department of Medicine, New York University School of Medicine, New York, NY 10016, USA)

Abstract

Little information is available regarding the glycemic effects of inorganic arsenic (iAs) exposure in urban populations. We evaluated the association of total arsenic and the relative proportions of arsenic metabolites in urine with glycemia as measured by glycated blood hemoglobin (HbA1c) among 45 participants with prediabetes (HbA1c ≥ 5.7–6.4%), 65 with diabetes (HbA1c ≥ 6.5%), and 36 controls (HbA1c < 5.7%) recruited from an academic medical center in New York City. Each 10% increase in the proportion of urinary dimethylarsinic acid (DMA%) was associated with an odds ratio (OR) of 0.59 (95% confidence interval (CI): 0.28–1.26) for prediabetes, 0.46 (0.22–0.94) for diabetes, and 0.51 (0.26–0.99) for prediabetes and diabetes combined. Each 10% increase in the proportion of urinary monomethylarsonic acid (MMA%) was associated with a 1.13% (0.39, 1.88) increase in HbA1c. In contrast, each 10% increase in DMA% was associated with a 0.76% (0.24, 1.29) decrease in HbA1c. There was no evidence of an association of total urinary arsenic with prediabetes, diabetes, or HbA1c. These data suggest that a lower arsenic methylation capacity indicated by higher MMA% and lower DMA% in urine is associated with worse glycemic control and diabetes. Prospective, longitudinal studies are needed to evaluate the glycemic effects of low-level iAs exposure in urban populations.

Suggested Citation

  • Fen Wu & Yu Chen & Ana Navas-Acien & Michela L. Garabedian & Jane Coates & Jonathan D. Newman, 2021. "Arsenic Exposure, Arsenic Metabolism, and Glycemia: Results from a Clinical Population in New York City," IJERPH, MDPI, vol. 18(7), pages 1-9, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:7:p:3749-:d:529785
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    References listed on IDEAS

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    1. Zierold, K.M. & Knobeloch, L. & Anderson, H., 2004. "Prevalence of chronic diseases in adults exposed to arsenic-contaminated drinking water," American Journal of Public Health, American Public Health Association, vol. 94(11), pages 1936-1937.
    2. H. Dean Hosgood & Vesna Slavkovich & Simin Hua & Madelyn Klugman & Maria Grau-Perez & Bharat Thyagarajan & Joseph Graziano & Jianwen Cai & Pamela A Shaw & Robert Kaplan & Ana Navas-Acien & Yasmin Moss, 2020. "Urinary Arsenic Species are Detectable in Urban Underserved Hispanic/Latino Populations: A Pilot Study from the Study of Latinos: Nutrition & Physical Activity Assessment Study (SOLNAS)," IJERPH, MDPI, vol. 17(7), pages 1-8, March.
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