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AlCl3 exposure regulates neuronal development by modulating DNA modification 被引量:1

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摘要 BACKGROUND As the third most abundant element,aluminum is widespread in the environment.Previous studies have shown that aluminum has a neurotoxic effect and its exposure can impair neuronal development and cognitive function.AIM To study the effects of aluminum on epigenetic modification in neural stem cells and neurons.METHODS Neural stem cells were isolated from the forebrain of adult mice.Neurons were isolated from the hippocampi tissues of embryonic day 16-18 mice.AlCl3 at 100 and 200μmol/L was applied to stem cells and neurons.RESULTS Aluminum altered the differentiation of adult neural stem cells and caused apoptosis of newborn neurons while having no significant effects on the proliferation of neural stem cells.Aluminum application also significantly inhibited the dendritic development of hippocampal neurons.Mechanistically,aluminum exposure significantly affected the levels of DNA 5-hydroxy methylcytosine,5-methylcytosine,and N6-methyladenine in stem cells and neurons.CONCLUSION Our findings indicate that aluminum may regulate neuronal development by modulating DNA modifications.
出处 《World Journal of Stem Cells》 SCIE 2020年第11期1354-1365,共12页 世界干细胞杂志(英文版)(电子版)
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