Cortical alterations of angiotensin converting enzyme, angiotensin II and AT1 receptor in Alzheimer's dementia

被引:188
作者
Savaskan, E
Hock, C
Olivieri, G
Bruttel, S
Rosenberg, C
Hulette, C
Müller-Spahn, F
机构
[1] Univ Basel, Dept Psychiat, CH-4054 Basel, Switzerland
[2] Univ Zurich, Dept Psychiat Res, Zurich, Switzerland
[3] Duke Univ, Durham, NC 27706 USA
关键词
immunohistochemistry; renin-angiotensin system; Alzheimer's dementia;
D O I
10.1016/S0197-4580(00)00259-1
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
We investigated the immunohistochemical alterations of angiotensin converting enzyme (ACE), angiotensin II and ATI receptor in the parietal cortex in Alzheimer's dementia (AD) to reveal the contributive role of the brain renin-angiotensin system in the disease process. In controls. ACE, angiotensin II and ATI immunoreactivities were localized to pyramidal neurons of the cortex. The staining intensity was distinctly increased in AD for all three antigens, involving predominantly cortical layer V, which may reflect the enhanced brain renin-angiotensin system activity in the disease process. In addition, a prominent perivascular ACE and angiotensin II immunoreactivity surrounding some cortical vessels in aged controls and AD patients points to an underlying microvascular pathology in the process of neurodegeneration, (C) 2001 Elsevier Science Inc. All rights reserved.
引用
收藏
页码:541 / 546
页数:6
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