研究论文
杜克久,储少岗,徐晓白,李春英,石永进.用MCF-7细胞增殖法研究国产多氯联苯的类雌激素效应[J].环境科学学报,2000,20(2):230-233
用MCF-7细胞增殖法研究国产多氯联苯的类雌激素效应
- Studies on the estrogenic effect of Chinese commercial PCBs by MCF-7 cell proliferation bioassay
- 基金项目:国家自然科学基金(批准号:29677026;29837180);中科院生态环境研究中心创新工程项目(RCEES9906)
- 杜克久
- 中国科学院生态环境研究中心, 北京 100085
- 储少岗
- 中国科学院生态环境研究中心, 北京 100085
- 徐晓白
- 中国科学院生态环境研究中心, 北京 100085
- 李春英
- 北京医科大学第一临床附属医院, 北京 100023
- 石永进
- 北京医科大学第一临床附属医院, 北京 100023
- 摘要:用人乳腺癌细胞系MCF7细胞增殖试验,对两种国产多氯联苯混合物PCB3和PCB5的细胞增殖生物效应进行了研究.和典型雌激素17β雌二醇相比,PCB3在7.8pg/mL和182pg/mL水平表现出其类似的生物效应,其相对的细胞增殖效应分别为0.94和0.86.但在较高浓度9.1ng/mL,细胞增殖效果为阴性.PCB5和PCB3类似,在较低水平8.3pg/mL,其相对的细胞增殖效应为1.07,较高水平(166pg/mL以及8.3ng/mL时)细胞增殖效应为阴性.
- Abstract:Recently,more evidences showed that some PCB mixtures might possess estrogenic effect. In this paper, the E-Screen method was used to determinate the proliferation effects of two Chinese commercial PCB mixtures, China PCB3 and China PCB5.At the levels of 7.8pg/mL and 182pg/mL, China PCB3 showed 0.94 and 0.86 of relative proliferation effect (RPE) compared to those of 17β-estradiol(its RPE is 1.00)respectively.At the level of 8.3pg/mL,China PCB5 acted nearly the same as China PCB3,its RPE was as high as 1.07 compared to that of 17β-estradiol.However, China PCB3 did not express cell proliferation effect at higher levels of 9.1ng/mL for China PCB3 and of 166pg/mL and 8.3ng/mL for China PCB5 respectively.
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