期刊
REPRODUCTIVE TOXICOLOGY
卷 18, 期 3, 页码 413-421出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.reprotox.2004.01.002
关键词
Sertoli cell toxicants; occludin; ZO-1; N-cadherin; Cx43; in vitro model system
In the testis, Sertoli cells establish intercellular junctions that are essential for spermatogenesis. The SerW3 Sertoli cell line displays some features of native Sertoli cells. Western blot and immunotluorescence analyses showed that SerW3 Sertoli cells expressed typical components of tight (occludin and zonula occludens-1), anchoring (N-cadherin) and gap (connexin 43) junctions. Testicular toxicants (DDT, pentachlorophenol, dieldrin, dinitrobenzene, cadmium chloride, cisplatin, gossypol, bisphenol A and tert-octylphenol) affected intercellular junctions by either reducing the amount or inducing aberrant intracellular localization of these membranous proteins. Phosphodiesterase inhibitors (isobutyl methylxantine, rolipram, zaprinast, zardaverine) did not alter junctional-complex component levels but caused a rapid and reversible redistribution of these proteins to the cytoplasmic compartment. The present study showed that occludin, ZO-1, N-cadherin and specifically Cx43 could be early targets for testicular toxicants. The SerW3 cell line therefore appears as a useful in vitro model to evaluate molecules with potential anti-reproductive effects. (C) 2004 Elsevier Inc. All rights reserved.
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