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Optimazation of the Assement and Apotosis of Endocrine-Bisphenol A Disruptors  

Ahn Kwang-Hyun (충남대학교 약학대학)
Lee Kyung-A (충남대학교 약학대학)
Kim Bong-Hee (충남대학교 약학대학)
Publication Information
Environmental Analysis Health and Toxicology / v.19, no.3, 2004 , pp. 251-259 More about this Journal
Abstract
Xenoestrogens are chemicals with diverse structure that mimic estrogen. Bisphenol A, a monomer of polycarbonate and epoxy resins, has been detected in canned food and human saliva. Bisphenol A stimulate cell proliferation and induce expression of estrogen -response genes in vitro. The purpose of the this study was to evaluate cell proliferation of bisphenol A in the presence of a rat liver 59 mix contaning cytochrome P450 enzymes and Cu (II). The fragmentation of intact DNA, a parameter of apoptotic cell death, was evaluated quantitatively by diphenylamine reaction method. Bisphenol A induced apoptotic cell death in a dose-dependent manner The effect of radical scavenger on the apoptotic cell death induced bisphenol A was investigated. The DNA fragmentation induced by bisphenol A was significantly inhibited by addition of radical scavenger to the culture medium. This indicated that elevated oxidative stress caused by imbalance between the production and removal of free radicals occurred in cells. Taken together, these results suggest that free radical reacts with Cu (II) leading oxidative stress.
Keywords
Bisphenol A; Cell proliferation; DNA fragmentation;
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