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J Occup Med Toxicol. 2012 Apr 30;7(1):7. doi: 10.1186/1745-6673-7-7.

Human endometrial cell coculture reduces the endocrine disruptor toxicity on mouse embryo development.

Author information

  • 1Department of Microbiology, School of Medicine, Soonchunhyang University, Cheonan, 330-090, South Korea. songmic@sch.ac.kr.

Abstract

BACKGROUNDS:

Previous studies suggested that endocrine disruptors (ED) are toxic on preimplantation embryos and inhibit development of embryos in vitro culture. However, information about the toxicity of endocrine disruptors on preimplantation development of embryo in human reproductive environment is lacking.

METHODS:

Bisphenol A (BPA) and Aroclor 1254 (polychlorinated biphenyls) were used as endocrine disruptors in this study. Mouse 2-cell embryos were cultured in medium alone or vehicle or co-cultured with human endometrial epithelial layers in increasing ED concentrations.

RESULTS:

At 72 hours the percentage of normal blastocyst were decreased by ED in a dose-dependent manner while the co-culture system significantly enhanced the rate and reduced the toxicity of endocrine disruptors on the embryonic development in vitro.

CONCLUSIONS:

In conclusion, although EDs have the toxic effect on embryo development, the co-culture with human endometrial cell reduced the preimplantation embryo from it thereby making human reproductive environment protective to preimplantation embryo from the toxicity of endocrine disruptors.

PMID:
22546201
[PubMed]
PMCID:
PMC3480945
Free PMC Article
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