Cited by 9Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Beta-amyloid oligomers: recent developments

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Borutaite, Vilmante, Morkuniene, Ramune, Valincius, Gintaras·2011·bmc

Abstract

Recent studies point to a critical role of soluble β-amyloid oligomers in the pathogenesis of one of the most common neurodegenerative diseases, Alzheimer's disease (AD). Beta-amyloid peptides are cleavage products of a ubiquitously expressed protein, the amyloid precursor protein. Early studies suggested that accumulation of extracellular β-amyloid aggregates are the most toxic species causing synaptic dysfunction and neuronal loss in particular regions of the brain (neurobiological features underlying cognitive decline of the AD patients). In recent years, a shift of pardigm occurred, and now there is accumulating evidence that soluble oligomeric forms of the peptide are the most toxic to neuronal cells. In this review, we discuss recent findings on the toxic effects of amyloid-β oligomers, their physico-chemical properties and the possible pathways of their formation in vitro and in vivo.

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Crossref · 10.1515/bmc.2011.019

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  • Soluble Aβ oligomers are more neurotoxic than amyloid plaques and most likely responsible for synaptic dysfunction and memory loss in AD.

    “However, recent in vivo studies have shown that soluble Aβ oligomers are more neurotoxic than amyloid plaques and most likely responsible for synaptic dysfunction and memory loss in AD.7–11”
  • Soluble Aβ oligomers are possibly more neurotoxic than amyloid plaques and are likely responsible for synaptic dysfunction and memory loss in AD patients and AD animal models.

    “However, recent in vivo studies have shown that the soluble Aβ oligomers are possibly more neurotoxic than amyloid plaques,14–17 and are likely responsible for synaptic dysfunction and memory loss in AD patients and AD animal models.18–21”
  • Oligomeric Aβ peptides are more destructive than Aβ monomers and fibrillar forms in the brain.

    “it has been observed that oligomeric Aβ peptides are more destructive than Aβ monomers and fibrillar forms in the brain [132,133].”

    From Beneficial Effects of Spirulina Consumption on Brain Health (2022) · cites this paper as [133]

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2 of the 136 references couldn’t be matched to a known paper.

Research works printed but not linked: 4

  1. Welander H, Franberg J, Graff C, Sundstrom E, Winblad B, Tjernberg LO. A b 43 is more frequent than A beta 40 in amy- loid plaque cores from Alzheimer disease brains. J Neurochem 2009; 110: 697-706.
  2. Bugiani O, Padovani A, Magoni M, Andora G, Sgarzi M, Savoiardo M, Bizzi A, Giaccone G, Rossi G, Tagliavini F. An Italian type of HCHWA. Neurobiol Aging 1998; 19: S238.
  3. Reed MN, Hofmeister JJ, Jungbauer L, Welzel AT, Yu C, Sher- man MA, Lesne S, LaDu MJ, Walsh DM, Ashe KH, Cleary JP. Cognitive effects of cell-derived and synthetically derived Ab oligomers. Neurobiol Aging In press. Available at http://www. sciencedirect.com/science/article/pii/S0197458009003674.
  4. Walsh DM, Tseng BP, Rydel RE, Podlisny MB, Selkoe DJ. Detection of intracellular oligomers of amyloid b-protein in cells derived from human brain. Biochem 2000; 39: 10831-9.

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Authors
Borutaite, V., Morkuniene, R., & Valincius, G.
Affiliations
  • Institute for Biomedical Research, Lithuanian University of Health Sciences, Eiveniu Str. 4, LT-50009 Kaunas, Lithuania
  • Institute of Biochemistry, Vilnius University, Mokslininku Str. 12, LT-08662 Vilnius, Lithuania
Venue
bmc
Published
2011-06-01
Volume
2
Issue
3
Pages
211-222
ISSN
  • 1868-5021 (ISSN-L)
  • 1868-503X
OpenAlex
W1978076524
Cited by
9
References
136
Citations by year
2026: 1 · 2022: 1 · 2020: 1 · 2018: 1 · 2016: 2 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
0.65
Type
journal article
Language
en
Open access
Locations
  • BioMolecular Concepts (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Lithuanian University of Health Sciences (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
amyloid-beta oligomers, Alzheimer's disease, amyloid precursor protein, neurotoxicity, synaptic dysfunction, neuronal loss

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