ArticleInternational journal of molecular sciences2022
The Effect of Ethanol on Disassembly of Amyloid-β
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Aggregation of Amyloid-like Peptides in Different Solvents.Journal of molecular liquids · 2026Article
- Voglibose Attenuates Amyloid Beta-Induced Memory Deficits in a Rodent Model: A Potential Alzheimer's Therapy via Wnt Signaling Modulation.Molecular neurobiology · 2025Article
- Inhibition of hippocampal mossy fiber plasticity and episodic memory by human Aβ oligomers is prevented by enhancing cAMP signaling in Alzheimer's mice.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
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Authors and funding
11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The most common type of dementia, Alzheimer's disease, is associated with senile plaques formed by the filamentous aggregation of hydrophobic amyloid-β (Aβ) in the brains of patients. Small oligomeric assemblies also occur and drugs and chemical compounds that can interact with such assemblies have attracted much attention. However, these compounds need to be solubilized in appropriate solvents, such as ethanol, which may also destabilize their protein structures. As the impact of ethanol on oligomeric Aβ assembly is unknown, we investigated the effect of various concentrations of ethanol (0 to 7.2 M) on Aβ pentameric assemblies (Aβp) by combining blue native-PAGE (BN-PAGE) and ambient air atomic force microscopy (AFM). This approach was proven to be very convenient and reliable for the quantitative analysis of Aβ assembly. The Gaussian analysis of the height histogram obtained from the AFM images was correlated with band intensity on BN-PAGE for the quantitative estimation of Aβp. Our observations indicated up to 1.4 M (8.3%) of added ethanol can be used as a solvent/vehicle without quantitatively affecting Aβ pentamer stability. Higher concentration induced significant destabilization of Aβp and eventually resulted in the complete disassembly of Aβp.
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