VISUAL-CORTEX IN ALZHEIMERS-DISEASE - OCCURRENCE OF NEURONAL DEATH AND GLIAL PROLIFERATION, AND CORRELATION WITH PATHOLOGICAL HALLMARKS

被引:75
作者
LEUBA, G [1 ]
KRAFTSIK, R [1 ]
机构
[1] UNIV LAUSANNE,INST ANAT,CH-1005 LAUSANNE,SWITZERLAND
关键词
ALZHEIMERS DISEASE; VISUAL CORTEX; MORPHOMETRY; NEURONS; GLIA; SENILE PLAQUES; NEUROFIBRILLARY TANGLES; CORRELATIONS;
D O I
10.1016/0197-4580(94)90142-2
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
Visual areas 17 and 18 were studied with morphometric methods for numbers of neurons, glia, senile plaques (SP), and neurofibrillary tangles (NFT) in 13 cases of Alzheimer's disease (AD) as compared to 11 controls. In AD cases, the mean neuronal density was significantly decreased by about 30% in both areas 17 and 18, while the glial density was increased significantly only in area 17. The volume of area 17 was unchanged in AD cases but its total number of neurons was decreased by 33% and its total number of glia increased by 45% compared to controls. In AD the number of SP was similar in areas 17 and 18, while that of NFT was significantly higher in area 18. The number of neurons with NFT was only 2% in area 17 and about 10% in area 18. The discrepancy between the loss of neurons and the amount of NFT suggests that neuronal loss can occur without passing through NFT degeneration. The deposition of SP was correlated with glial proliferation, but not with neuronal loss or neurofibrillary degeneration.
引用
收藏
页码:29 / 43
页数:15
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