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Food has been documented as one of major routes for human exposure to environmental estrogens (EEs), but information on the occurrence of EEs in animal foodstuffs is still scarce. This study analyzed estrogenic activity in 16 types of animal foodstuffs (n=142) collected from four cities (Wuhan, Guangzhou, Wenzhou and Yantai) of China by combined yeast estrogen screen (YES) bioassay and chemical analysis...
We have used the yeast estrogen screen (YES) consisting of the human estrogen receptor and a reporter containing two estrogen response elements linked to the lacZ gene to evaluate the interaction between ovarian, phyto-, and synthetic estrogens with extracellular binding proteins. YES was incubated with charcoal-stripped human serum, human sex hormone-binding globulin, or human α-fetoprotein in the...
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