Increased Permeability of the Blood-Brain Barrier and Alzheimer's Disease-Like Alterations in Slit-2 Transgenic Mice

被引:22
作者
Li, Jiang-chao [1 ]
Han, Lu [1 ]
Wen, Yin-xin [1 ]
Yang, Yong-xia [2 ]
Li, Shuai [1 ]
Li, Xue-song [3 ]
Zhao, Chang-jiang [3 ]
Wang, Ting-yu [4 ]
Chen, Hui [1 ]
Liu, Ying [1 ]
Qi, Cui-ling [1 ]
He, Xiao-dong [1 ]
Gu, Qu-liang [2 ]
Ye, Yu-xiang [1 ]
Zhang, Yu [5 ]
Huang, Ren [5 ]
Wu, Yu-e [5 ]
He, Rong-rong [6 ]
Kurihara, Hiroshi [6 ]
Song, Xiao-yu [7 ]
Cao, Liu [7 ]
Wang, Li-jing [1 ]
机构
[1] Guangdong Pharmaceut Univ, Guangzhou 510006, Guangdong, Peoples R China
[2] Guangdong Pharmaceut Univ, Sch Basic Courses, Guangzhou 510006, Guangdong, Peoples R China
[3] Third Peoples Hosp Foshan, Foshan, Peoples R China
[4] Dongguan Xinyong Hosp, Dongguan, Peoples R China
[5] Guangdong Lab Anim Monitoring Inst, Guangdong Key Lab Lab Anim, Guangzhou, Guangdong, Peoples R China
[6] Jinan Univ, Coll Pharm, Antistress & Hlth Res Ctr, Guangzhou, Guangdong, Peoples R China
[7] China Med Univ, Minist Educ, Key Lab Med Cell Biol, Key Lab Cell Biol,Minist Publ Hlth, Shenyang, Peoples R China
基金
中国国家自然科学基金;
关键词
Alzheimer's disease; blood-brain barrier; Slit homolog 2 protein; transgenic mice; INVOLVEMENT; ASTROCYTES; CLEARANCE; RECEPTORS; INTEGRITY; PATHOLOGY;
D O I
10.3233/JAD-141215
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Alzheimer's disease (AD) is a progressive neurological disorder that primarily affects memory, and its prevalence is rising. Increasing evidence suggests that dysfunction of the blood-brain barrier (BBB) may be involved in AD and other neurodegenerative diseases. Herein, we report that the permeability of the BBB is increased and that AD-like alterations are present in Slit-2 overexpressing transgenic mice. We found that behavioral change and the corresponding molecular diagnostic markers of AD, such as hippocampal neuron apoptosis, amyloid-beta (A beta) protein deposition, and acetylcholinesterase expression, were increased in the Slit-2 transgenic mice. Moreover, the endothelial cells were dysfunctional, the size of the lateral ventricle cavity increased, and the permeability of the BBB increased. Additionally, there was an increased serum level of glutamate indicating that the BBB is related to AD. Finally, histopathological analysis of other organs in the Slit-2 overexpressing mice did not show any marked abnormalities. These findings demonstrate that Slit-2 overexpression may be responsible for AD-like alterations and the increased BBB permeability in these mice. Our study provides a potential novel mechanism for the development of AD.
引用
收藏
页码:535 / 548
页数:14
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