In vivo assessment of the oxidative and apoptotic potential of perfluorooctanoic acid

In vivo assessment of the oxidative and apoptotic potential of perfluorooctanoic acid
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全氟辛酸氧化和凋亡潜力的体内评估

DOI:
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发表时间:
2013
期刊:
Biotechnology: an Indian Journal
影响因子:
--
通讯作者:
Zhen Su
Zhen Su
中科院分区:
其他
文献类型:
--
作者:
Shaoli Yang;Zhen Su

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全氟辛酸(PFOA)是环境中大量存在的有机污染物,其潜在毒性引起高度关注。本研究通过短期体内斑马鱼测定评估了 PFOA 的氧化和凋亡潜力。经过 PFOA 处理的胚胎中,抗氧化酶(包括超氧化物歧化酶和过氧化氢酶)的活性显着改变。脂质过氧化随着暴露于较高浓度而增加。然后研究了与细胞凋亡相关的某些基因的表达谱。 p53 和 Bax 的表达部分增加,这可能与 PFOA 诱导斑马鱼细胞凋亡有关。总体结果表明,PFOA可诱导氧化应激并改变参与细胞凋亡的基因表达,导致斑马鱼胚胎氧化损伤。
Perfluorooctanoic acid (PFOA) is an organic pollutant abundant in the environment, and the potential toxicity of which is causing great concern. The oxidative and apoptotic potential of PFOA was assessed in a shortterm in vivo zebrafish assay in this study. Activities of antioxidative enzymes, including superoxide dismutase and catalase, were significantly altered in PFOA-treated embryos. Lipid peroxidation was increased with exposure to higher concentrations. Expression profiles of certain genes related to cellular apoptosis were then investigated. The expression of p53 and Baxwere partially increased, which could be linked to PFOA-induced cell apoptosis in zebrafish. The overall results demonstrated that PFOA could induce oxidative stress and alter the expression of genes involve in apoptosis, resulting in oxidative damagesin zebrafish embryos.
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