Estrogenic potency of food-packaging-associated plasticizers and antioxidants as detected in ERa and ERb reporter gene cell lines
| Autor: | Bastiaan Schouten, Paul T. van der Saag, Jochem Louisse, Daan S van Es, Albertinka J. Murk, Ivonne M.C.M. Rietjens, Marcel G.R. ter Veld |
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| Jazyk: | angličtina |
| Rok vydání: | 2006 |
| Předmět: |
endocrine system
Bisphenol A medicine.medical_specialty phthalate-esters medicine.drug_class assays proliferation Estrogen receptor in-vitro Transfection Toxicology human breast-cancer Antioxidants Cell Line chemistry.chemical_compound Genes Reporter Plasticizers Internal medicine polycyclic compounds medicine Estrogen Receptor beta Humans Propyl gallate Toxicologie VLAG Osteoblasts WIMEK Estradiol nonylphenol Estrogen Receptor alpha Food Packaging Estrogens environmental estrogen General Chemistry receptor-beta Environmental Estrogen Nonylphenol Endocrinology bisphenol-a chemistry Estrogen AFSG Biobased Products Butylated hydroxyanisole mammary-gland General Agricultural and Biological Sciences hormones hormone substitutes and hormone antagonists |
| Zdroj: | Journal of Agricultural and Food Chemistry, 54(12), 4407-4416 Journal of Agricultural and Food Chemistry 54 (2006) 12 |
| ISSN: | 0021-8561 |
| Popis: | This study presents the estrogenic potency of 21 food-packaging-associated compounds determined for the first time, using two transfected U2-OS (human osteoblasts devoid of endogenous estrogen receptors) estrogen receptor (ER) alpha and beta cell lines. Six plasticizers and three antioxidants were slightly estrogenic in the ERalpha cells. The model compounds bisphenol A and nonylphenol, one plasticizer [tris(2-ethylhexyl)trimellitate (TEHTM)], and two antioxidants (propyl gallate and butylated hydroxyanisole) were estrogenic in both ERalpha and ERbeta cells. Compared to estradiol (E2), these compounds appeared to be relatively more estrogenic in the ERbeta cells than in the ERalpha cells. Three sorbitol-based plasticizers activated neither ERalpha nor ERbeta and may be good replacements of existing plasticizers. All responses were additive with the response of E2. This indicates that they may contribute to the total effects of the pool of estrogenic compounds humans are exposed to. The estrogenic potencies of these compounds, together with the suggested beneficial effect of ERbeta-mediated responses and adverse ERalpha-mediated effects, support the importance of detecting characteristics for ERalpha and ERbeta response separately in independent models, as done in the present study. |
| Databáze: | OpenAIRE |
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