Notch1调控小鼠脑出血后海马神经发生与神经功能恢复
[Abstract]:Objective to investigate the effect of Notch1 on the division of hippocampal neural stem cells (neural stem cells,NSCs) after intracerebral hemorrhage (intracerebral hemorrhage,ICH) in mice and the long-term recovery of neural function after ICH in mice. Methods Immunofluorescence, Western blot, wheel test and balance beam test were used to detect the division mode, Notch1 protein expression and neural function recovery of hippocampal NSCs after intracerebral hemorrhage in mice. Results compared with Sham group, the proportion of NSCs level division induced by ICH in hippocampus of mice was significantly decreased (P 0.01), and the expression of Notch1 in hippocampus of mice was also significantly decreased (P 0.05). Promoting the expression of Notch1 in hippocampus of ICH mice could effectively increase the proportion of NSCs horizontal division in hippocampus of mice (P01), maintain the number of NSCs, and effectively increase the latency of wheel test drop and the number of DCX positive cells in hippocampus of mice after ICH (P01), maintain the persistence of neurogenesis, and reduce the number of slippage times of balance beam walking test legs after ICH (P01). Conclusion Notch1 signal can regulate the division mode of hippocampal NSCs and promote the recovery of long-term nerve function in mice after intracerebral hemorrhage.
【作者单位】: 宝鸡高新人民医院神经内科;第三军医大学新桥医院神经内科;
【分类号】:R743.34
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