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Exposure to cadmium and persistent organochlorine pollutants and its association with bone mineral density and markers of bone metabolism on postmenopausal women
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2009 (English)In: Environmental Research, ISSN 0013-9351, E-ISSN 1096-0953, Vol. 109, no 8, 991-996 p.Article in journal (Refereed) Published
Abstract [en]

Environmental contaminants such as cadmium and persistent organochlorine pollutants have been proposed as risk factors of osteoporosis, and women may be at an increased risk. To assess associations between exposure to cadmium and two different POPs (2,2',4,4',5,5'-hexachlorobiphenyl CB-153, 1,1-dichloro-2,2-bis(p-chlorophenyl)-ethylene p,p'-DDE), on one hand, and bone effects, on the other, in a population-based study among postmenopausal (60-70 years) Swedish women with biobanked blood samples. The study included 908 women and was designed to have a large contrast of bone mineral densities, measured with a single photon absorptiometry technique in the non-dominant forearm. Biochemical markers related to bone metabolism were analyzed in serum. Exposure assessment was based on cadmium concentrations in erythrocytes and serum concentrations of CB-153 and p,p'-DDE. Cadmium was negatively associated with bone mineral density and parathyroid hormone, positively with the marker of bone resorption. However, this association disappeared after adjustment for smoking. The major DDT metabolite (p.p'-DDE) was positively associated with bone mineral density, an association which remained after adjustment for confounders, but the effect was weak. There was no evidence that the estrogenic congener (CB-153) was associated with any of the bone markers. In conclusion, no convincing associations were observed between cadmium and POPs, on one hand, and bone metabolism markers and BMD, on the other. (C) 2009 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
2009. Vol. 109, no 8, 991-996 p.
Keyword [en]
Bone mineral density, Cadmium, Persistent organochlorine pollutants, Postmenopausal women, Osteoporosis
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-127446DOI: 10.1016/j.envres.2009.08.008ISI: 000271296900007OAI: oai:DiVA.org:uu-127446DiVA: diva2:330061
Available from: 2010-07-14 Created: 2010-07-13 Last updated: 2010-07-14Bibliographically approved

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