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

机译:体内评估全氟辛酸的氧化和凋亡潜力

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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.
机译:全氟辛酸(PFOA)是环境中丰富的有机污染物,其潜在毒性引起了人们的极大关注。在这项研究中,通过短期体内斑马鱼试验评估了PFOA的氧化和凋亡潜力。在PFOA处理的胚胎中,包括超氧化物歧化酶和过氧化氢酶在内的抗氧化酶的活性发生了显着变化。脂质过氧化随着暴露于更高的浓度而增加。然后研究与细胞凋亡有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诱导的斑马鱼细胞凋亡有关。总体结果表明,PFOA可以诱导氧化应激并改变参与细胞凋亡的基因表达,从而导致斑马鱼胚胎中的氧化损伤。

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