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题名: Sodium selenate regulates the brain ionome in a transgenic mouse model of Alzheimer's disease
作者: Zheng, L; Zhu, HZ; Wang, BT; Zhao, QH; Du, XB; Zheng, Y; Jiang, L; Ni, JZ; Zhang, Y; Liu, Q
刊名: SCIENTIFIC REPORTS
出版日期: 2016
卷号: 6, 页码:-
DOI: 10.1038/srep39290
通讯作者: Zhang, Y ; Liu, Q (reprint author), Shenzhen Univ, Coll Life Sci & Oceanog, Shenzhen 518060, Guangdong, Peoples R China. ; Zhang, Y (reprint author), Univ Chinese Acad Sci, Chinese Acad Sci, Shanghai Inst Biol Sci, Key Lab Nutr & Metab,Inst Nutr Sci, Shanghai 200031, Peoples R China.
文章类型: 期刊论文
英文摘要: Many studies have shown that imbalance of mineral metabolism may play an important role in Alzheimer's disease (AD) progression. It was recently reported that selenium could reverse memory deficits in AD mouse model. We carried out multi-time-point ionome analysis to investigate the interactions among 15 elements in the brain by using a triple-transgenic mouse model of AD with/without high-dose sodium selenate supplementation. Except selenium, the majority of significantly changed elements showed a reduced level after 6-month selenate supplementation, especially iron whose levels were completely reversed to normal state at almost all examined time points. We then built the elemental correlation network for each time point. Significant and specific elemental correlations and correlation changes were identified, implying a highly complex and dynamic crosstalk between selenium and other elements during long-term supplementation with selenate. Finally, we measured the activities of two important anti-oxidative selenoenzymes, glutathione peroxidase and thioredoxin reductase, and found that they were remarkably increased in the cerebrum of selenate-treated mice, suggesting that selenoenzyme-mediated protection against oxidative stress might also be involved in the therapeutic effect of selenate in AD. Overall, this study should contribute to our understanding of the mechanism related to the potential use of selenate in AD treatment.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000390374200001
ISSN号: 2045-2322
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26626
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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