Using a customized DNA microarray for expression profiling of the estrogen-responsive genes to evaluate estrogen activity among natural estrogens and industrial chemicals.

Using a customized DNA microarray for expression profiling of the estrogen-responsive genes to evaluate estrogen activity among natural estrogens and industrial chemicals.
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DOI:
10.1289/ehp.6753
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发表时间:
2004-05
影响因子:
10.4
通讯作者:
Kiyama R
Kiyama R
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Terasaka S;Aita Y;Inoue A;Hayashi S;Nishigaki M;Aoyagi K;Sasaki H;Wada-Kiyama Y;Sakuma Y;Akaba S;Tanaka J;Sone H;Yonemoto J;Tanji M;Kiyama R

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我们开发了一种DNA微阵列来评估天然雌激素和工业化学品的雌激素活性。使用MCF-7细胞,我们对大约20,000个人类基因中的雌激素反应基因进行了全面分析。基于基因对雌激素的可重复和可靠的反应,我们选择了172个基因用于开发定制的DNA微阵列。使用这种DNA微阵列,我们研究了雌激素活性之间的天然雌激素(17 β-雌二醇,雌三醇,雌酮,染料木素),工业化学品(己烯雌酚,双酚A,壬基酚,甲氧滴滴涕),和二恶英。我们得到的结果与用于检测雌激素活性的其他生物测定法相同。在统计相关分析的基础上,这些生物测定法对二恶英和甲氧滴滴涕表现出更高的灵敏度。
We developed a DNA microarray to evaluate the estrogen activity of natural estrogens and industrial chemicals. Using MCF-7 cells, we conducted a comprehensive analysis of estrogen-responsive genes among approximately 20,000 human genes. On the basis of reproducible and reliable responses of the genes to estrogen, we selected 172 genes to be used for developing a customized DNA microarray. Using this DNA microarray, we examined estrogen activity among natural estrogens (17beta-estradiol, estriol, estrone, genistein), industrial chemicals (diethylstilbestrol, bisphenol A, nonylphenol, methoxychlor), and dioxin. We obtained results identical to those for other bioassays that are used for detecting estrogen activity. On the basis of statistical correlations analysis, these bioassays have shown more sensitivity for dioxin and methoxychlor.
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