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首页> 外文期刊>Journal of biochemical and molecular toxicology >Naphthalene exposure: effects on gene expression and proliferation in human cord blood cells.
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Naphthalene exposure: effects on gene expression and proliferation in human cord blood cells.

机译:萘暴露:对人脐带血细胞基因表达和增殖的影响。

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摘要

In this study, the effect of naphthalene on the induction of apoptosis and gene expression profiles in cord blood cells has been evaluated, as well as its activity on the BCL-2 related protein expression. After 6, 24, and 48 h of exposure to naphthalene (500 microM), a decrease in cell death was observed: the cells became more resistant to the toxicant and capable of surviving after the treatment. A Western blot analysis revealed an overexpression of BCL-2, c-JUN, c-FOS, and RAF-1 proteins, which are involved in the antiapoptotic response and in the regulation of cell growth, differentiation, and development. Furthermore, macroarray analysis showed that naphthalene modified cord blood gene expression, inducing IL-8 precursor and T-cell transcription factor and decreasing the level of RNA-binding protein FUS/TLS.
机译:在这项研究中,已评估了萘对脐带血细胞凋亡和基因表达谱的诱导作用及其对BCL-2相关蛋白表达的活性。暴露于萘(500 microM)6、24和48小时后,观察到细胞死亡减少:细胞对毒物更具抵抗力,并且在处理后能够存活。蛋白质印迹分析显示BCL-2,c-JUN,c-FOS和RAF-1蛋白过度表达,它们参与抗凋亡反应以及细胞生长,分化和发育的调控。此外,宏阵列分析表明,萘修饰了脐带血基因表达,诱导了IL-8前体和T细胞转录因子,并降低了RNA结合蛋白FUS / TLS的水平。

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