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    Polychlorinated biphenyls in Spanish adults: determinants of serum concentrations.

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    Authors
    Agudo, Antonio
    Goni, Fernando
    Etxeandia, Arsenio
    Vives, Asuncion
    Millan, Esmeralda
    Lopez, Raul
    Amiano, Pilar
    Ardanaz, Eva
    Barricarte, Aurelio
    Chirlaque, M. Dolores
    Dorronsoro, Miren
    Jakszyn, Paula
    Larranaga, Nerea
    Martinez, Carmen
    Navarro, Carmen
    Rodriguez, Laudina
    Sanchez, M. Jose
    Tormo, M. Jose
    Gonzalez, Carlos A.
    Issue Date
    2009-07
    
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    Show full item record
    Abstract
    BACKGROUND: Polychlorinated biphenyls (PCBs) are persistent compounds that may pose an environmental hazard to humans, food being the main source of exposure for the general population. OBJECTIVE: To measure the serum concentrations of the main PCBs in subjects from the general population in Spain, and to assess potential determinants of such concentrations. METHODS: Serum was obtained from blood samples of 953 subjects aged 35-64 years, residents in five Spanish regions (three from the North and two from the South), randomly selected from the EPIC-Spain cohort. Blood collection took place during 1992-1996 and four PCB congeners (118, 138, 153 and 180) were determined by means of gas chromatography with electron-capture detection (GC-ECD). RESULTS: The concentration of total PCBs was 459 ng/g lipids (or 3.1 microg/l); the corresponding figures for PCB 153 were 186 ng/g lipids and 1.25 microg/l. Men had higher values than women, PCB levels increased with age, and serum concentration of PCBs was higher in northern regions. Body mass index (BMI) was inversely related to PCB concentrations, and fish intake was the dietary factor showing the greatest association with serum PCBs. The pattern described was similar for each congener separately. CONCLUSIONS: We found concentrations similar to those reported in European countries where blood collection was carried during the same period. Regional differences within Spain are not fully explained by anthropometric or dietary factors. The inverse association with BMI suggests that in the mid-1990s there was still ongoing or recent exposure to PCBs in Spain.
    Citation
    Environ. Res. 2009, 109 (5):620-628
    Journal
    Environmental Research
    URI
    http://hdl.handle.net/10146/114768
    DOI
    10.1016/j.envres.2009.03.009
    PubMed ID
    19403125
    Additional Links
    http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WDS-4W5M0F8-1&_user=1843694&_coverDate=07%2F31%2F2009&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_acct=C000055040&_version=1&_urlVersion=0&_userid=1843694&md5=e5646f6452241f9dd392cd31ccfd7071&searchtype=a
    Type
    Article
    Language
    en
    ISSN
    1096-0953
    Sponsors
    Some authors (AA, CAG, PJ) are members of The Environmental Cancer Risk, Nutrition and Individual Susceptibility (ECNIS), a Network of Excellence of the 6th EU Framework Programme (FP6,FOOD-CT- 2005-513943).
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.envres.2009.03.009
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