Overexpression of Kir2.3 in PC12 cells resists rotenone-induced neurotoxicity associated with PKC signaling pathway.
Overexpression of Kir2.3 in PC12 cells resists rotenone-induced neurotoxicity associated with PKC signaling pathway.
复制标题
PC12 细胞中 Kir2.3 的过度表达可抵抗鱼藤酮诱导的与 PKC 信号通路相关的神经毒性。
DOI:
10.1016/j.bbrc.2008.07.003
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发表时间:
2008-09
期刊:
影响因子:
--
通讯作者:
Wang G, Zeng J, Shen CY, Wang ZQ, Chen SD.
中科院分区:
文献类型:
--
作者:
Wang G, Zeng J, Shen CY, Wang ZQ, Chen SD.
Parkinson’s disease (PD) can be triggered by genetic or environmental factors. Although the precise etiopathogenesis of the disease remains unknown, recent studies focusing on the K+channel gene have uncovered the dysfunctions in various K+channels (e.g., Kir2, Kv, KATP, and SKCa) that are involved in the pathological mechanisms underlying PD. Here we show that Kir2.3 overexpression can protect against rotenone-induced apoptosis in cell models in the neurodegenerative process, suggesting Kir2.3’s general neuroprotective function. The protection of Kir2.3 against neurodegeneration may be associated with the protein kinase C (PKC) pathway, as PKC is downregulated by Kir2.3 overexpression and the PKC activator can reduce the protective effect of Kir2.3. Our studies provide an entry point for understanding the novel roles of Kir2.3 in cell models of PD, and they offer clues for the common mechanisms underlying different neurodegenerative conditions.
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