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The Effects of Different Endocrine Disruptors Defining Compound-Specific Alterations of Gene Expression Profiles in the Developing Testis.

AuthorsLópez-Casas, Pedro P. ; Mizrak, Sefika C.; López-Fernández, Luis A.; Paz, María; Rooij, Dirk G. de; Del Mazo, Jesús
KeywordsEndocrine disruptor
Mono-ethylhexyl phthalate
DNA microarrays
Gene expression profile
Issue DateJan-2012
CitationReproductive Toxicology 33(1):106-115(2012)
AbstractEnvironmental contaminants considered endocrine disruptors have been shown to affect testis development and function but the mechanisms of action are not clear. We now have analyzed the effects on the transcriptome in testes of mice exposed to mono-(2-ethylhexyl)-phthalate (9.2; 46.3 or 92.7 mg/kg/d), zearalenone (1.3; 3.9 or 6.6 mg/kg/d), lindane (16.6; 32.2 or 64.4 mg/kg/d), bisphenol-A (0.16; 16 or 64 mg/kg/d) or 17β-estradiol (0.006; 0.012 or 0.048 mg/kg/d). The compounds were orally administered in the drinking water during distinct developmental periods: (A) mothers were exposed only during the two weeks before mating; (B) the exposure was continued during pregnancy until birth or (C) exposure was continued for a further four weeks after birth. Testes were studied at four weeks of age. Mono-(2-ethylhexyl)-phthalate and zearalenone, both produced specific alterations of gene signatures. Interestingly, this was irrespective of the concentration of the toxicant or the developmental period during which exposure occurred
Description10 páginas, 6 figuras, 3 tablas -- PAGS nros. 106-115
Publisher version (URL)http://dx.doi.org/10.1016/j.reprotox.2011.12.012
Appears in Collections:(CIB) Artículos
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