The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
Interaction between Aβ Peptide and α Synuclein: Molecular Mechanisms in Overlapping Pathology of Alzheimer’s and Parkinson’s in Dementia with Lewy Body Disease
Abstract
Amyloidogenic proteins (Abeta peptide) in Alzheimer's disease (AD) and alpha-synuclein (alpha-Syn) in Parkinson's disease (PD) are typically soluble monomeric precursors, which undergo remarkable conformational changes and culminate in the form of aggregates in diseased condition. Overlap of clinical and neuropathological features of both AD and PD are observed in dementia with Lewy body (DLB) disease, the second most common form of dementia after AD. The identification of a 35-amino acid fragment of alpha-Syn in the amyloid plaques in DLB brain have raised the possibility that Abeta and alpha-Syn interact with each other. In this report, the molecular interaction of alpha-Syn with Abeta40 and/or Abeta42 are investigated using multidimensional NMR spectroscopy. NMR data in the membrane mimic environment indicate specific sites of interaction between membrane-bound alpha-Syn with Abeta peptide and vice versa. These Abeta-alpha-Syn interactions are demonstrated by reduced amide peak intensity or change in chemical shift of amide proton of the interacting proteins. Based on NMR results, the plausible molecular mechanism of overlapping pathocascade of AD and PD in DLB due to interactions between alpha-Syn and Abeta is described. To the best of our knowledge, it is the first report using multidimensional NMR spectroscopy that elucidates molecular interactions between Abeta and alpha-Syn which may lead to onset of DLB.
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“Evidence suggests that Aβ can directly affect α-synuclein toxicity, and it is also known that tau protein and α-synuclein can directly interact promoting their co-assembly [124–126].”
From The neuropathological diagnosis of Alzheimer's disease (2019) · cites this paper as [124]
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Metadata
- Authors
- Mandal, P. K., Pettegrew, J. W., Masliah, E., Hamilton, R. L., & Mandal, R.
- Affiliations
- University of Pittsburgh Medical Center (US)
- University of California San Diego (US)
- University of Pittsburgh (US)
- Corresponding author
- Mandal, Pravat K.
- Venue
- Neurochemical Research
- Published
- 2006-09
- Volume
- 31
- Issue
- 9
- Pages
- 1153-1162
- ISSN
- 0364-3190 (ISSN-L)
- 1573-6903
- OpenAlex
- W1965229261
- Cited by
- 219
- References
- 48
- Citations by year
- 2026: 4 · 2025: 10 · 2024: 8 · 2023: 12 · 2022: 12 · 2021: 17 · 2020: 20 · 2019: 17 · 2018: 7 · 2017: 9 · 2016: 9 · 2015: 12 · 2014: 9 · 2013: 11 · 2012: 9
- FWCI
- 6.34
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neurochemical Research (publishedVersion)
- PubMed (publishedVersion)
- 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
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Keywords
- amyloid-beta, alpha-synuclein, dementia with Lewy bodies, Alzheimer's disease, Parkinson's disease, protein-protein interaction, Aβ40, amyloid-beta 42, amyloid plaques, protein aggregation, molecular pathogenesis
- MeSH terms
- Alzheimer Disease, Amino Acid Sequence, Brain, Humans, Molecular Sequence Data, Parkinson Disease, Peptide Fragments, Amyloid beta-Peptides, Nuclear Magnetic Resonance, Biomolecular, Lewy Body Disease, alpha-Synuclein
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