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Effects of Fe3O4 nanoparticles on the transcription of genes with iron-responsive elements

机译:Fe3O4纳米粒子对铁响应元件基因转录的影响

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In this paper, we checked the transcription of 24 murine genes containing iron-responsive elements in Fe3O4 magnetic nanoparticles treated mouse macrophage RAW264.7 cells using cDNA microarrays and real time-PCR. The results showed that only 7 genes differentially expressed (fold change < −1.5 or > 1.5) after incubated with 100 µg/ml Fe3O4 magnetic nanoparticles. Gene Ontology analysis of these genes containing iron-responsive elements demonstrated that the differentially expressed genes, including Tfrc, Slc11a2 and Slc40a1, played a crucial role in iron ion homeostasis. And the non-differentially expressed genes (−1.5< fold change <1.5) were related to cell biosynthesis and metabolism, including acetyl-CoA metabolic process, peptide metabolic process, and macromolecule catabolic process.
机译:在本文中,我们使用cDNA微阵列和实时PCR检查了在Fe3O4磁性纳米粒子处理的小鼠巨噬细胞Raw264.7细胞中含有铁响应元件的24个鼠基因的转录。结果表明,在与100μg/ mL Fe3O4磁性纳米颗粒温育后,仅在差异显示出7个基因(折叠改变<-1.5或> 1.5)。这些含有铁响应元件的这些基因的基因本体分析证明了差异表达的基因,包括TFRC,SLC11A2和SLC40A1在铁离子稳态中起着至关重要的作用。并且非差异表达的基因(-1.5 <倍变化<1.5)与细胞生物合成和代谢有关,包括乙酰-COA代谢过程,肽代谢过程和大分子分解蛋白过程。

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