Summary
The cytoplasmic-nuclear interface has been investigated by conventional thin sectioning electron microscopy of neurons from frontal lobe biopsies of 13 patients with Alzheimer's disease. Nine patients were in the early and intermediate stages of the disease and four patients in the advanced stage. Fascicles of paired helical filament-like strands and paired helical filaments appose the nuclear envelope, the nuclear pore complexes and the perinuclear polysomes. Paired helical filament profiles have also been identified in the nucleoplasm. These observations indicate that the cytoplasmic-nuclear interface and, consequently, the relationships between the cytoplasm and the nucleus, might be impaired in Alzheimer's disease.
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Metuzals, J., Robitaille, Y., Houghton, S. et al. Paired helical filaments and the cytoplasmic-nuclear interface in Alzheimer's disease. J Neurocytol 17, 827–833 (1988). https://doi.org/10.1007/BF01216709
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DOI: https://doi.org/10.1007/BF01216709