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Acta Neuropathol. 1997 Jan;93(1):7-12.

Neurofibrillary tangles in the dentate granule cells of patients with Alzheimer's disease, Lewy body disease and progressive supranuclear palsy.

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1
Department of Neurosciences, University of California at San Diego, La Jolla 92093-0624, USA.

Abstract

Recent studies have shown that the dentate granular cells of the hippocampus are affected in patients with Alzheimer's disease (AD). To gain a better understanding of the cytoskeletal alterations in these cells, we carried out immunocytochemical and immunoelectron microscopic analysis of the dentate gyrus of patients with primary degenerative dementias, using a monoclonal antibody against paired helical filaments (TG3). This antibody labeled a large number of spherical inclusions in the dentate granule cells of patients with AD and its Lewy body variant (LBV). These inclusions consisted of straight tubular structures (about 18-25 nm in diameter), similar to those found in progressive supranuclear palsy (PSP). These inclusions, although in a smaller number, were also found in demented patients with PSP, but not in those with diffuse Lewy body disease or age-matched controls. These findings indicate that the neurofibrillary alterations in the dentate granule cells of patients with AD, LBV and PSP share cytoskeletal similarities.

PMID:
9006651
[Indexed for MEDLINE]
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