Abstract:
:Neocortical neurofibrillary tangles (NFT) revealed by Bodian technique and anti-tau immunolabelling were seen in 5/5 cases of progressive supranuclear palsy (PSP) aged 58-76 years. These lesions differed from Alzheimer's disease or age-related changes: (1) they were most frequent in the precentral gyrus (Brodmann's area 4) whereas associative areas are predominantly lesioned in Alzheimer's disease; (2) they affected mainly large pyramidal neurons and small cells, relatively sparing the cell population selectively involved in Alzheimer's disease; (3) they predominated in layers V and VI of area 4, whereas NFT are most dense in layers III and V in Alzheimer's disease; (4) mature senile plaques (1/5 cases) and beta-amyloid diffuse deposits (3/5 cases), which usually precede or go together with NFT in Alzheimer's disease were rare or absent (2/5) in PSP. Neuropil threads and tufts of abnormal fibres were also seen. In addition, NFT and neuropil threads were found in the hippocampus. PSP is thus another example of abnormal storage of tau developing in the neocortex in the absence of beta-amyloid deposits. It might prove a useful model for the understanding of the mechanisms of localization and spreading of tau storage in the brain.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Hauw JJ,Verny M,Delaère P,Cervera P,He Y,Duyckaerts Cdoi
10.1016/0304-3940(90)90829-xsubject
Has Abstractpub_date
1990-11-13 00:00:00pages
182-6issue
2eissn
0304-3940issn
1872-7972pii
0304-3940(90)90829-Xjournal_volume
119pub_type
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
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journal_title:Neuroscience letters
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