Related Experiment Video
Updated: Oct 14, 2025

06:34
A Tailored HPLC Purification Protocol That Yields High-purity Amyloid Beta 42 and Amyloid Beta 40 Peptides, Capable of Oligomer Formation
Published on: March 27, 2017
12.1K
Artificial Chiral Interfaces against Amyloid-β Peptide Aggregation: Research Progress and Challenges
Zhe Zhou1, You-Quan Gu1, Hang-Xing Wang2
1Department of Neurology, The First Hospital of Lanzhou University, Lanzhou 730000, China.
ACS Chemical Neuroscience
|November 1, 2021
Summary
Chiral nanostructures show promise in inhibiting amyloid-beta (Aβ) aggregation, a key factor in Alzheimer's disease (AD). Understanding the molecular mechanisms of these chiral inhibitors is crucial for developing new anti-amyloid drugs.
Area of Science:
- Nanomedicine
- Neurodegenerative Disorders
- Biochemistry
Background:
- Alzheimer's disease (AD) involves amyloid-beta (Aβ) aggregation, impacting patient quality of life and societal burden.
- Engineered nanostructures are emerging as potential inhibitors of Aβ aggregation.
- The role of chirality in nanostructure-based Aβ inhibition remains underexplored.
Purpose of the Study:
- To review experimental and theoretical findings on artificial chiral nanostructures as Aβ amyloid inhibitors.
- To elucidate the molecular mechanisms by which chiral nanointerfaces affect Aβ recognition and aggregation.
- To highlight the potential of chiral nanostructures in developing novel anti-amyloidosis drugs.
Main Methods:
- Review of recent experimental studies on chiral nanostructures and Aβ aggregation.
- Analysis of theoretical models investigating chiral effects at the nano-bio interface.
- Synthesis of current knowledge on nanostructure surface properties (morphology, charge, hydrophobicity) and their influence on Aβ adsorption.
Main Results:
- Chirality has been largely overlooked in the design of Aβ aggregation inhibitors.
- Nanostructural surface properties influence Aβ peptide adsorption and subsequent aggregation.
- Emerging evidence suggests chiral nanostructures can modulate Aβ recognition and aggregation pathways.
Conclusions:
- Chiral nanostructures represent a novel frontier in nanomedicine for targeting Alzheimer's disease.
- Further research into the molecular mechanisms of chiral nano-Aβ interactions is essential.
- Development of chiral inhibitor drugs holds significant therapeutic potential against Aβ fibrillation.
Related Concept Videos
Amyloid Fibrils
10.7K
Amyloid fibrils are aggregates of misfolded proteins. Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils.
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
10.7K
Chirality in Nature
14.6K
Chirality is the most intriguing yet essential facet of nature, governing life’s biochemical processes and precision. It can be observed from a snail shell pattern in a macroscopic world to an amino acid, the minutest building block of life. Most of the snails around the world have right-coiled shells because of the intrinsic chirality in their genes. All the amino acids present in the human body exist in an enantiomerically pure state, except for glycine - the sole achiral amino acid.
14.6K
Alzheimer's Disease: Treatment
293
Alzheimer's Disease (AD), a neurodegenerative disorder, is pathologically identified by amyloid plaques and neurofibrillary tangles composed of tau protein. AD pharmacotherapy aims to manage cognitive symptoms, delay disease progression, and treat behavioral symptoms. The treatment is primarily symptomatic and palliative, with no definitive disease-modifying therapy available. Cholinesterase inhibitors, including donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne), are...
293

