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Ubiquitin has previously been identified as a component of neuronal inclusions in neurodegenerative disorders. In this investigation, we examined tissue from cases of Alzheimer's disease (AD), Pick's disease, Parkinson's disease (PD), and progressive supranuclear palsy (PSP) to identify previously unrecognized ubiquitinated structures and to assess the(More)
The neuropathology of Huntington's disease includes nuclear and cytoplasmic inclusions, striatal neuronal loss, and gliosis. Previous work put forward a tantalizing proposal that disruption of axonal transport within long, narrow-caliber axons caused accumulations that could elicit cell death, ultimately resulting in neuronal dysfunction. Although a role(More)
The immunoreactivity of neurofibrillary tangles (bundles of abnormal filaments) in Alzheimer's disease was compared in photonic and electron microscopy using antisera against the microtubule- associated protein tau, against isolated tangles, against ubiquitin and using monoclonal antibodies against neurofilament proteins. Only a sub-population of tangles is(More)
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