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Endocrine disruptors of the bisphenol and paraben families and bone metabolism
J. Vitku, L. Kolatorova, L. Franekova, J. Blahos, M. Simkova, M. Duskova, T. Skodova, L. Starka
Jazyk angličtina Země Česko
Typ dokumentu časopisecké články
Free Medical Journals od 1998
ProQuest Central od 2005-01-01
Medline Complete (EBSCOhost) od 2006-01-01
Nursing & Allied Health Database (ProQuest) od 2005-01-01
Health & Medicine (ProQuest) od 2005-01-01
ROAD: Directory of Open Access Scholarly Resources od 1998
Odkazy
PubMed
30484672
DOI
10.33549/physiolres.934005
Knihovny.cz E-zdroje
- MeSH
- absorpční fotometrie metody MeSH
- benzhydrylové sloučeniny škodlivé účinky krev MeSH
- endokrinní disruptory škodlivé účinky krev MeSH
- fenoly škodlivé účinky krev MeSH
- kostní denzita účinky léků fyziologie MeSH
- lidé středního věku MeSH
- lidé MeSH
- parabeny škodlivé účinky metabolismus MeSH
- postmenopauzální osteoporóza krev chemicky indukované diagnostické zobrazování MeSH
- remodelace kosti účinky léků fyziologie MeSH
- senioři MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
After menopause, when estrogen levels decrease, there is room for the activity of anthropogenic substances with estrogenic properties - endocrine disruptors (EDs) - that can interfere with bone remodeling and changes in calcium-phosphate metabolism. Selected unconjugated EDs of the bisphenol group - BPA, BPS, BPF, BPAF, and the paraben family - methyl-, ethyl-, propyl-, butyl-, and benzyl-parabens - were measured by high performance liquid chromatography-tandem mass spectrometry in the plasma of 24 postmenopausal women. Parameters of calcium-phosphate metabolism and bone mineral density were assessed. Osteoporosis was classified in 14 women, and 10 women were put into the control group. The impact of EDs on calcium-phosphate metabolism was evaluated by multiple linear regressions. In women with osteoporosis, concentrations of BPA ranged from the lower limit of quantification (LLOQ) - 104 pg/ml and methyl paraben (MP) from LLOQ - 1120 pg/ml. The alternative bisphenols BPS, BPF and BPAF were all under the LLOQ. Except for MP, no further parabens were detected in the majority of samples. The multiple linear regression model found a positive association of BPA (beta=0.07, p<0.05) on calcium (Ca) concentrations. Furthermore, MP (beta=-0.232, p<0.05) was negatively associated with C-terminal telopeptide. These preliminary results suggest that these EDs may have effects on calcium-phosphate metabolism.
Department of Steroids and Proteofactors Institute of Endocrinology Prague Czech Republic
Osteocentrum Military University Hospital Prague Czech Republic
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