Perfluorooctane Sulfonate Induces Apoptosis in N9 Microglial Cell Line

Perfluorooctane Sulfonate Induces Apoptosis in N9 Microglial Cell Line
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全氟辛烷磺酸诱导 N9 小胶质细胞系凋亡

DOI:
10.1177/1091581810387832
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发表时间:
2011-03
影响因子:
2.2
通讯作者:
Xu, Shun-qing
Xu, Shun-qing
中科院分区:
医学4区
文献类型:
--
作者:
Zhang, Ling;Li, Yuan-yuan;Zeng, Huai-cai;Li, Miao;Wan, Yan-jian;Schluesener, Hermann J.;Zhang, Zhi-yuan;Xu, Shun-qing

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全氟辛烷磺酸 (PFOS) 是一种环境持久性酸,在人类、野生动物和环境介质样本中含量较低。为了研究PFOS对小胶质细胞的凋亡作用,目前的研究使用小鼠N9细胞系作为模型。结果表明,PFOS可显着降低细胞活力,PFOS诱导的细胞凋亡与线粒体膜电位耗散、p53、Bax、caspase 9和caspase 3信使RNA(mRNA)上调以及Bcl-2 mRNA表达降低密切相关。这些结果表明,PFOS 可以扰乱 N9 细胞的稳态,影响线粒体,并影响细胞凋亡调节因子的基因表达,所有这些都会导致细胞凋亡的启动。
Perfluorooctane sulfonate (PFOS) is an environmental persistent acid found at low levels in human, wildlife, and environmental media samples. To study the apoptosis effects of PFOS on microglia, murine N9 cell line was used as a model in current research. The results showed that PFOS could reduce the cell viability significantly, and the cellular apoptosis induced by PFOS was closely accompanied with dissipation of mitochondria membrane potential, upregulation messenger RNAs (mRNAs) of p53, Bax, caspase 9, and caspase 3, and decreased expression of Bcl-2 mRNA. These results suggested that PFOS could disturb homeostasis of N9 cells, impact mitochondria, and affect gene expression of apoptotic regulators, all of which resulted in a start-up of apoptosis.
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