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首页> 外文期刊>Journal of applied toxicology >Toxicity induced by Basic Violet 14, Direct Red 28 and Acid Red 26 in zebrafish larvae
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Toxicity induced by Basic Violet 14, Direct Red 28 and Acid Red 26 in zebrafish larvae

机译:碱性紫14,直接红28和酸性红26对斑马鱼幼虫的毒性

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Basic Violet 14, Direct Red 28 and Acid Red 26 are classified as carcinogenic dyes in the European textile ecology standard, despite insufficient toxicity data. In this study, the toxicity of these dyes was assessed in a zebrafish model, and the underlying toxic mechanisms were investigated. Basic Violet 14 and Direct Red 28 showed acute toxicity with a LC50 value at 60.63 and 476.84 mu g ml(-1), respectively, whereas the LC50 of Acid Red 26 was between 2500 and 2800 mu g ml(-1). Treatment with Basic Violet 14, Direct Red 28 and Acid Red 26 resulted in common developmental abnormalities including delayed yolk sac absorption and swimming bladder deflation. Hepatotoxicity was observed in zebrafish treated with Basic Violet 14, and cardiovascular toxicity was found in zebrafish treated with Acid Red 26 at concentrations higher than 2500 mu g ml(-1). Basic Violet 14 also caused significant up-regulation of GCLC gene expression in a dose-dependent manner whereas Acid Red 26 induced significant up-regulation of NKX2.5 and down-regulation of GATA4 at a high concentration in a dose-dependent manner. These results suggest that Basic Violet 14, Direct Red 28 and Acid Red 26 induce developmental and organ-specific toxicity, and oxidative stress may play a role in the hepatotoxicity of Basic Violet 14, the suppressed GATA4 expression may have a relation to the cardiovascular toxicity of Acid Red 26. Copyright (c) 2015 John Wiley & Sons, Ltd.
机译:尽管毒性数据不足,碱性紫14,直接红28和酸性红26在欧洲纺织品生态标准中仍被归为致癌染料。在这项研究中,在斑马鱼模型中评估了这些染料的毒性,并研究了潜在的毒性机理。碱性紫14和直接红28表现出急性毒性,LC50分别为60.63和476.84μg ml(-1),而酸性红26的LC50为2500至2800μg ml(-1)。碱性紫14,直接红28和酸性红26的治疗导致常见的发育异常,包括卵黄囊吸收延迟和膀胱放气。在碱性紫14处理过的斑马鱼中观察到了肝毒性,而在浓度超过2500μg ml(-1)的酸性红26处理过的斑马鱼中发现了心血管毒性。碱性紫14也以剂量依赖的方式引起了GCLC基因表达的显着上调,而酸性红26以剂量依赖的方式诱导了高浓度时NKX2.5的显着上调和GATA4的下调。这些结果表明碱性紫14,直接红28和酸性红26诱导发育和器官特异性毒性,氧化应激可能在碱性紫14的肝毒性中起作用,抑制的GATA4表达可能与心血管毒性有关。酸性红26.版权所有(c)2015 John Wiley&Sons,Ltd.

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