首页> 外文期刊>Journal of biochemical and molecular toxicology >Influences of Domoic Acid Exposure on Cardiac Development and the Expression of Cardiovascular Relative Genes in Zebrafish (Daniorerio) Embryos
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Influences of Domoic Acid Exposure on Cardiac Development and the Expression of Cardiovascular Relative Genes in Zebrafish (Daniorerio) Embryos

机译:藻酸暴露对斑马鱼(Daniorerio)胚胎心脏发育和心血管相关基因表达的影响

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Domoic acid (DA) is a highly toxic phycotoxin that is generated from marine diatoms Pseudonitzschia spp. It has been found that bivalves or cephalopods can accumulate DA to a high level through their feeding activities and cause illness or death in consumers. Zebrafish have been used as a model to investigate and characterize the developmental toxicity of DA. However, there is no report about the relationship between DA and cardiac development in zebrafish. Here, zebrafish embryos were exposed to DA with at the dose of 1, 10, 100, and 1000 ng/L. High mortality and some developmental toxicity including pericardial and yolk sac edema, dorsal curvature, and cardiac defects were observed in the DA-treated larvae. We found that DA exposure not only disrupted normal cardiac development but also altered the expression of some cardiac development correlated genes and calcium ion channels, such as Anf, Bnp, Atp2a2a, Atp2a2b, Ncx1h, Ryr2b, and Tbx5. (C) 2015Wiley Periodicals, Inc.
机译:海藻酸(DA)是由海洋硅藻Pseudonitzschia spp产生的剧毒植物毒素。已经发现,双壳类或头足类动物可以通过其进食活动而高水平地积累DA,并在消费者中引起疾病​​或死亡。斑马鱼已被用作研究和表征DA发育毒性的模型。但是,尚无关于斑马鱼DA与心脏发育之间关系的报道。在这里,斑马鱼胚胎以1、10、100和1000 ng / L的剂量暴露于DA。在DA治疗的幼虫中观察到高死亡率和一些发育毒性,包括心包和卵黄囊水肿,背侧弯曲和心脏缺陷。我们发现,DA暴露不仅破坏了正常的心脏发育,而且改变了一些与心脏发育相关的基因和钙离子通道的表达,例如Anf,Bnp,Atp2a2a,Atp2a2b,Ncx1h,Ryr2b和Tbx5。 (C)2015Wiley Periodicals,Inc.

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