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High serum levels of p,p'-DDE are associated with an accelerated decline in GFR during 10 years follow-up
Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.
Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden.
Örebro University, School of Science and Technology. Department of Medical Sciences and Science for Life Laboratory, Molecular Epidemiology Unit, Uppsala University, Uppsala, Sweden. (MTM Research Centre)ORCID iD: 0000-0001-5752-4196
Department of Medical Sciences, Clinical Chemistry, Uppsala University, Uppsala, Sweden.
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2018 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 644, p. 371-374Article in journal (Refereed) Published
Abstract [en]

Over the past 20 years, the global incidence of chronic kidney disease (CKD) has been increasing and organochlorine pesticides (such as DDT) is a suspected etiological factor. The present study examines the associations between low level background exposure to p,p'-DDE (1-dichloro-2,2-bis (p-chlorophenyl) ethylene), the main DDT metabolite, and kidney function during a 10-year follow-up. Data was analysed from the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study (n = 1016, 50% women, all aged 70 years). Serum levels of p,p'-DDE was measured by gas chromatography coupled to high-resolution mass spectrometry (GC/HRMS) at baseline (i.e. age of 70 years). Glomerular filtration rate (GFR) was estimated using serum creatinine and cystatin C at 70, 75 and 80 years of age. A significant decline in GFR was seen during the 10-year follow-up (-24 ml/min/1.73 m2, p < 0.0001). A significant negative interaction was seen between baseline p,p'-DDE levels and change in GFR over time (p < 0.0001) following adjustment for sex, systolic blood pressure, diabetes, BMI, smoking and education level at age 70. Subjects with the lowest levels of p,p'-DDE levels at age 70 showed the lowest decline in GFR over 10 years, while subjects with the highest p,p'-DDE levels showed the greatest decline.

Baseline levels of p,p'-DDE were related to an accelerated reduction in GFR over 10 years suggesting a nephrotoxic effect of DDT/p,p'-DDE. These findings support a potential role for DDT in the epidemic of CKD of unknown etiology (CKDu) in agricultural communities of Sri Lanka and Central America where DDT was previously used.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 644, p. 371-374
Keywords [en]
DDE, DDT, Kidney function, Organochlorine pesticides
National Category
Occupational Health and Environmental Health
Identifiers
URN: urn:nbn:se:oru:diva-68367DOI: 10.1016/j.scitotenv.2018.07.020ISI: 000445164000038PubMedID: 29981985Scopus ID: 2-s2.0-85049466001OAI: oai:DiVA.org:oru-68367DiVA, id: diva2:1237192
Note

Funding Agency:

Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning  2007-2047

Available from: 2018-08-07 Created: 2018-08-07 Last updated: 2018-12-17Bibliographically approved

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Salihovic, Samira

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