Challenges in understanding the structure/activity relationship of Aβ oligomers

A major hallmark of Alzheimer’s disease (AD) is the accumulation and deposition of fibrillar aggregates of the amyloid-b (Ab) peptide into neuritic plaques. These amyloid deposits were thought to play a central role in AD; however, the correlation between plaque load and disease is weak. Increasing...

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Main Authors: Albert W. Pilkington IV, Justin Legleiter
Format: Article
Language:English
Published: AIMS Press 2019-01-01
Series:AIMS Biophysics
Subjects:
Online Access:https://www.aimspress.com/article/10.3934/biophy.2019.1.1/fulltext.html
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author Albert W. Pilkington IV
Justin Legleiter
author_facet Albert W. Pilkington IV
Justin Legleiter
author_sort Albert W. Pilkington IV
collection DOAJ
description A major hallmark of Alzheimer’s disease (AD) is the accumulation and deposition of fibrillar aggregates of the amyloid-b (Ab) peptide into neuritic plaques. These amyloid deposits were thought to play a central role in AD; however, the correlation between plaque load and disease is weak. Increasing evidence supports the notion that a variety of small, globular aggregates of Ab, referred to broadly as Ab oligomers (AbO), may in fact be the primary culprits associated with neurotoxicity. Evaluation of AbO structure and physiological activity is complicated by their metastability, heterogeneity, complex aggregation pathways, and dependence on experimental conditions. Numerous different types of oligomers have been reported, and these have been associated with varying degrees of toxicity and modes of interaction. Here, we briefly review AbOs with a focus on their formation, structure, and biophysical methods applied to their investigation.
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spelling doaj.art-93e2b3131df24d849e34a0895f5cb0342022-12-22T02:06:06ZengAIMS PressAIMS Biophysics2377-90982019-01-016112210.3934/biophy.2019.1.1Challenges in understanding the structure/activity relationship of Aβ oligomersAlbert W. Pilkington IV0Justin Legleiter11 The C. Eugene Bennett Department of Chemistry, West Virginia University, 217 Clark Hall, P.O. Box 6045, Morgantown, West Virginia 26505, United States1 The C. Eugene Bennett Department of Chemistry, West Virginia University, 217 Clark Hall, P.O. Box 6045, Morgantown, West Virginia 26505, United States 2 Blanchette Rockefeller Neurosciences Institutes, West Virginia University, 1 Medical Center Dr., P.O. Box 9303, Morgantown, West Virginia 26505, United States 3 Department of Neuroscience, West Virginia University, 1 Medical Center Dr., P.O. Box 9303, Morgantown, West Virginia 26505, United StatesA major hallmark of Alzheimer’s disease (AD) is the accumulation and deposition of fibrillar aggregates of the amyloid-b (Ab) peptide into neuritic plaques. These amyloid deposits were thought to play a central role in AD; however, the correlation between plaque load and disease is weak. Increasing evidence supports the notion that a variety of small, globular aggregates of Ab, referred to broadly as Ab oligomers (AbO), may in fact be the primary culprits associated with neurotoxicity. Evaluation of AbO structure and physiological activity is complicated by their metastability, heterogeneity, complex aggregation pathways, and dependence on experimental conditions. Numerous different types of oligomers have been reported, and these have been associated with varying degrees of toxicity and modes of interaction. Here, we briefly review AbOs with a focus on their formation, structure, and biophysical methods applied to their investigation.https://www.aimspress.com/article/10.3934/biophy.2019.1.1/fulltext.htmlalzheimer’s diseaseβ-amyloidoligomersneurodegenerationprotein aggregation
spellingShingle Albert W. Pilkington IV
Justin Legleiter
Challenges in understanding the structure/activity relationship of Aβ oligomers
AIMS Biophysics
alzheimer’s disease
β-amyloid
oligomers
neurodegeneration
protein aggregation
title Challenges in understanding the structure/activity relationship of Aβ oligomers
title_full Challenges in understanding the structure/activity relationship of Aβ oligomers
title_fullStr Challenges in understanding the structure/activity relationship of Aβ oligomers
title_full_unstemmed Challenges in understanding the structure/activity relationship of Aβ oligomers
title_short Challenges in understanding the structure/activity relationship of Aβ oligomers
title_sort challenges in understanding the structure activity relationship of aβ oligomers
topic alzheimer’s disease
β-amyloid
oligomers
neurodegeneration
protein aggregation
url https://www.aimspress.com/article/10.3934/biophy.2019.1.1/fulltext.html
work_keys_str_mv AT albertwpilkingtoniv challengesinunderstandingthestructureactivityrelationshipofaboligomers
AT justinlegleiter challengesinunderstandingthestructureactivityrelationshipofaboligomers