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Chinese Journal of Preventive Medicine ; (12): 383-387, 2004.
Artículo en Chino | WPRIM | ID: wpr-299220

RESUMEN

<p><b>OBJECTIVE</b>To explore the effects of Bisphenol A in adult rats and its possible mechanisms.</p><p><b>METHODS</b>BPA (in corn oil) was administered orally to 9-week-old male Sprague-Dawley rats for 14 days (0, 1 and 5 g/kg bw), and incubated primary Sertoli cells from pubertal SD rats with 0, 10(-7), 10(-6), 10(-5), 10(-4) mol/L BPA.</p><p><b>RESULTS</b>After oral administration, a significant decrease in right testis weight was observed in 5 g/kg dose group, but not in the 1 g/kg bw dose group. Germ cells were detached from basement membrane of seminiferous tubules and Sertoli cells in BPA-treated groups. Administration of BPA at 1 g/kg bw and 5 g/kg bw produced both nucleus pycnosis and vacuolized nucleus in germ cells and Sertoli cells. A marked loss in vimentin staining in Sertoli cells from testis of BPA-treated rats was detected. No change in levels of serum estradiol and testosterone was observed after two-week exposure to BPA. In Sertoli cell primary culture, BPA destroyed the cytoskeleton and cell-cell junctions, and elongated Sertoli cells.</p><p><b>CONCLUSION</b>These results suggest that BPA may injure reproductive function of male rats by destroying the cytoskeleton and changing the form of Sertoli cells.</p>


Asunto(s)
Animales , Masculino , Ratas , Compuestos de Bencidrilo , Células Cultivadas , Citoesqueleto , Tamaño de los Órganos , Fenoles , Toxicidad , Ratas Sprague-Dawley , Células de Sertoli , Biología Celular , Testículo , Biología Celular , Vimentina , Metabolismo
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