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Amyloid β‐peptide and the dementia of Parkinson's diease by Dr. Klaus Jendroska; Andrew J. Lees; Werner Poewe; Susan E. Daniel is a Medicine article available to read on EtoBox.

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## Abstract It is not known whether an increased incidence of dementia in patients with Parkinson's disease (PD) is due to a higher incidence of Alzheimer's disease (AD) or to “early” Alzheimer‐type pathology. To determine whether amyloid β‐peptide (Aβ) of AD occurs more frequently in brains of patients with PD, we examined 50 cases and 79 controls by using histoblots for Aβ. Twentythree cases with PD had dementia, including all nine with Aβ distributed throughout the entire cerebral cortex; three of these cases had AD. In contrast, five of 17 controls with comparable Aβ accumulation were not demented. Neither AD nor Aβ deposition was increased in PD; furthermore, there was no statistical correlation between the amount of Aβ and the number of Lewy bodies in cerebral cortex. In 14 patients with PD in whom dementia was unrelated to Aβ, there was cerebral vascular disease (four), numerous cortical Lewy bodies (three), or hydrocephalus (two); in five further cases, dementia was not well explained by histopathologic changes. Our data found no increase of either AD or “early” Alzheimer‐type pathology in cases of PD; however, a synergistic effect between the two pathologies was suggested

Who reads Amyloid β‐peptide and the dementia of Parkinson's diease?

Author

Dr. Klaus Jendroska; Andrew J. Lees; Werner Poewe; Susan E. Daniel

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0885-3185)

Published

1996

Language

EN

Field

Medicine (Health Sciences)