作者: Jin Zhou , Xiao-Shan Zhu , Zhong-Hua Cai
DOI: 10.1016/J.CHEMOSPHERE.2010.09.056
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摘要: The effects of bisphenol A (BPA) on abalone (Haliotis diversicolor supertexta) embryonic development were investigated by exposing the fertilized eggs to four different concentrations BPA (0.05, 0.2, 2 and 10 μg mL(-1)). Toxicity endpoints including embryo parameters, physiological features expression profile several reference genes (prohormone convertase 1, PC1; cyclin B, CB; cyclin-dependent kinase CDK1) assessed. results showed that could markedly reduce hatchability, increase developmental malformation, suppress metamorphosis behavior larvae. possible toxicological mechanisms hidden behind these (i.e. disturbing embryogenesis) might result from three aspects: (1) disturbance cellular ionic homeostasis osmoregulation embryos changing Na+-K+-ATPase Ca2+-Mg2+-ATPase levels; (2) induced oxidative damage significantly altering peroxidase (POD) activities malondialdehyde (MDA) production; (3) RT-PCR analysis further demonstrated perturbed endocrine regulation cell cycle progression down-regulating PC1 gene, as well over-expressing CB CDK1 genes. This is first comprehensive study toxicity marine at morphological, molecular levels. in this also indicated tests can contribute ecological risk assessment disruptors environment.