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    Serum matrix metalloproteinase-9 in children exposed to arsenic from playground dust at elementary schools in Hermosillo, Sonora, Mexico

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    ChidrenMMP-9_Arsenic_Soil_Sono ...
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    Author
    García-Rico, Leticia
    Meza-Figueroa, Diana
    Beamer, Paloma I
    Burgess, Jefferey L
    O'Rourke, Mary K
    Lantz, Clark R
    Furlong, Melissa
    Martinez-Cinco, Marco
    Mondaca-Fernandez, Iram
    Balderas-Cortes, Jose J
    Meza-Montenegro, Maria M
    Show allShow less
    Affiliation
    Univ Arizona, Mel & Enid Zuckerman Coll Publ Hlth
    Univ Arizona, Dept Cellular & Mol Med
    Issue Date
    2020-02
    Keywords
    Arsenic
    Children
    Playground dust
    Serum MMP-9
    
    Metadata
    Show full item record
    Publisher
    SPRINGER
    Citation
    García-Rico, L., Meza-Figueroa, D., Beamer, P.I. et al. Serum matrix metalloproteinase-9 in children exposed to arsenic from playground dust at elementary schools in Hermosillo, Sonora, Mexico. Environ Geochem Health 42, 499–511 (2020). https://doi.org/10.1007/s10653-019-00384-6
    Journal
    ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
    Rights
    © Springer Nature B.V. 2019.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Arsenic exposure in adults has been associated with increased serum matrix metalloproteinase-9 (MMP-9), a biomarker which is associated with chronic respiratory disease, lung inflammation, cardiovascular disease and cancer. The objective of this study was to evaluate the association between serum MMP-9 levels in children, urinary arsenic, arsenic chronic daily intake (CDI) and arsenic exposure from playground dust. This cross-sectional study examined 127 children from five elementary schools, in Hermosillo, Sonora, Mexico. Arsenic was analyzed in the dust using a portable X-ray fluorescence (XRF) analyzer. Total urinary arsenic was determined by inductively coupled plasma/optical emission spectrometry. Serum was analyzed for MMP-9 using ELISA. Arsenic levels in playground dust averaged 16.9 +/- 4.6 mg/kg. Urinary arsenic averaged 34.9 +/- 17.1 mu g/L. Arsenic concentration in playground dust was positively associated with serum MMP-9 levels in crude analyses and after adjustment (P < 0.01), MMP-9 and CDI were positively associated only after adjustment (P < 0.01), and no association was found between MMP-9 and urinary arsenic. In conclusion, our study showed an association in children between serum MMP-9 levels and playground dust arsenic concentrations. Therefore, exposure to arsenic in dust where children spend significant time may manifest toxic effects.
    Note
    12 month embargo; published online: 1 August 2019
    ISSN
    0269-4042
    EISSN
    1573-2983
    PubMed ID
    31372863
    DOI
    10.1007/s10653-019-00384-6
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1007/s10653-019-00384-6
    Scopus Count
    Collections
    UA Faculty Publications

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