Increased hypoxia-inducible factor 1alpha expression in rat brain tissues in response to aging.

Increased hypoxia-inducible factor 1alpha expression in rat brain tissues in response to aging.
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衰老过程中大鼠脑组织缺氧诱导因子 1α 表达增加

DOI:
10.3969/j.issn.1673-5374.2012.10.010
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发表时间:
2012-04-05
影响因子:
6.1
通讯作者:
Zhan S
Zhan S
中科院分区:
医学2区
文献类型:
--
作者:
Wang H;Wu H;Guo H;Zhang G;Zhang R;Zhan S

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本研究观察了不同年龄(3、18、24和30个月)大鼠神经细胞的变化。随着年龄的增长,神经细胞变大,排列稀疏,尼氏小体数量减少。此外,低氧诱导因子1α在海马CA1区、CA3区、运动皮质和第一亚叶中的表达随着年龄的增加而增加,以3~18月龄最明显。在野外试验中,栅格交叉点随着日龄的增加而减少,尤其是从18月龄开始。饲养数量在18个月龄组达到峰值,然后下降。结果提示,缺氧诱导因子1α在神经系统衰老过程中起重要作用。
The present study observed changes in rat neural cells at various ages (3, 18, 24, and 30 months). With age, neural cells became large and were sparsely arranged, and the number of Nissl bodies decreased. In addition, hypoxia-inducible factor 1α expression increased with increasing age in hippocampal CA1 and CA3 regions, motor cortex, and the first subfolium, especially from 3 to 18 months. In the open-field test, grid crossing decreased with increasing age, especially from 18 months. The number of rearings reached a peak in the 18 months group, and then subsequently decreased. The results suggested that hypoxia-inducible factor 1α played an important role in the nervous system aging process.
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