Cited by 607Alzheimer's disease research and treatmentsParkinson's Disease Mechanisms and TreatmentsNeuroinflammation and Neurodegeneration Mechanisms

The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.

β-Amyloid peptides enhance α-synuclein accumulation and neuronal deficits in a transgenic mouse model linking Alzheimer's disease and Parkinson's disease

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Abstract

Alzheimer's disease and Parkinson's disease are associated with the cerebral accumulation of β-amyloid and α-synuclein, respectively. Some patients have clinical and pathological features of both diseases, raising the possibility of overlapping pathogenetic pathways. We generated transgenic (tg) mice with neuronal expression of human β-amyloid peptides, α-synuclein, or both. The functional and morphological alterations in doubly tg mice resembled the Lewy-body variant of Alzheimer's disease. These mice had severe deficits in learning and memory, developed motor deficits before α-synuclein singly tg mice, and showed prominent age-dependent degeneration of cholinergic neurons and presynaptic terminals. They also had more α-synuclein-immunoreactive neuronal inclusions than α-synuclein singly tg mice. Ultrastructurally, some of these inclusions were fibrillar in doubly tg mice, whereas all inclusions were amorphous in α-synuclein singly tg mice. β-Amyloid peptides promoted aggregation of α-synuclein in a cell-free system and intraneuronal accumulation of α-synuclein in cell culture. β-Amyloid peptides may contribute to the development of Lewy-body diseases by promoting the aggregation of α-synuclein and exacerbating α-synuclein-dependent neuronal pathologies. Therefore, treatments that block the production or accumulation of β-amyloid peptides could benefit a broader spectrum of disorders than previously anticipated.

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Research works printed but not linked: 3

  1. R D Terry, R Katzman, K L Bick, S S Sisodia Alzheimer Disease (Lippincott, Philadelphia, 1999).
  2. A Takeda, M Mallory, M Sundsmo, W Honer, L Hansen, E Masliah Am J Pathol 152, 367–372 (1998).
  3. D Van Gool, B De Strooper, F Van Leuven, R Dom Dementia 6, 63–68 (1995).

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Metadata

Authors
Masliah, E., Rockenstein, E., Veinbergs, I., Sagara, Y., Mallory, M., Hashimoto, M., & Mucke, L.
Affiliations
University of California, San Francisco (US)
Venue
Proceedings of the National Academy of Sciences
Published
2001-09-25
Volume
98
Issue
21
Pages
12245-12250
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2131710583
Cited by
607
References
56
Citations by year
2026: 8 · 2025: 26 · 2024: 17 · 2023: 23 · 2022: 17 · 2021: 17 · 2020: 39 · 2019: 26 · 2018: 25 · 2017: 23 · 2016: 24 · 2015: 26 · 2014: 44 · 2013: 29 · 2012: 24
FWCI
15.14
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Alzheimer's Association
  • National Institutes of Health (AG5131, 5r29ag010869-05, AG‐18440, AG11385, AG10869)
  • National Institute on Aging (AG-11385, R37AG018440, R37AG011385, R01AG018440, P50AG005131, AG-5131, AG 18440, AG10869, R01AG011385)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Clinical Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
amyloid-beta, alpha-synuclein, Alzheimer's disease, Parkinson's disease, Lewy body disease, transgenic mice, neuronal inclusions, alpha-synuclein aggregation, cholinergic neuron degeneration, motor impairment, learning and memory impairment, presynaptic terminals
MeSH terms
Age Factors, Alzheimer Disease, Animals, Cell Line, Disease Models, Animal, Female, Humans, Learning Disabilities, Male, Memory Disorders, Mice, Transgenic, Nerve Tissue Proteins, Neurons, Parkinson Disease, Gene Expression, Amyloid beta-Peptides, Mice, Synucleins, alpha-Synuclein

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