Amyloid oligomers: A joint experimental/computational perspective on Alzheimer's disease, Parkinson's disease, type II diabetes, and amyotrophic lateral sclerosis

PH Nguyen, A Ramamoorthy, BR Sahoo… - Chemical …, 2021 - ACS Publications
Protein misfolding and aggregation is observed in many amyloidogenic diseases affecting
either the central nervous system or a variety of peripheral tissues. Structural and dynamic …

Interactions of iron, dopamine and neuromelanin pathways in brain aging and Parkinson's disease

FA Zucca, J Segura-Aguilar, E Ferrari, P Muñoz… - Progress in …, 2017 - Elsevier
There are several interrelated mechanisms involving iron, dopamine, and neuromelanin in
neurons. Neuromelanin accumulates during aging and is the catecholamine-derived …

Protective and toxic roles of dopamine in Parkinson's disease

J Segura‐Aguilar, I Paris, P Muñoz… - Journal of …, 2014 - Wiley Online Library
The molecular mechanisms causing the loss of dopaminergic neurons containing
neuromelanin in the substantia nigra and responsible for motor symptoms of Parkinson's …

Structures of the intrinsically disordered Aβ, tau and α-synuclein proteins in aqueous solution from computer simulations

PH Nguyen, P Derreumaux - Biophysical Chemistry, 2020 - Elsevier
Intrinsically disordered proteins (IDPs) play many biological roles in the human proteome
ranging from vesicular transport, signal transduction to neurodegenerative diseases. The Aβ …

Impact of dopamine oxidation on dopaminergic neurodegeneration

S Zhang, R Wang, G Wang - ACS chemical neuroscience, 2018 - ACS Publications
Parkinson's disease (PD) is the second most common neurodegenerative disease. The
characteristic feature of PD is the progressive degeneration of the dopaminergic (DAergic) …

Review on the interactions between dopamine metabolites and α-Synuclein in causing Parkinson's disease

P Sivakumar, KB Nagashanmugam… - Neurochemistry …, 2023 - Elsevier
Parkinson's disease (PD) is characterized by an abnormal post-translational modifications
(PTM) in amino acid sequence and aggregation of alpha-synuclein (α-Syn) protein. It is …

The structural heterogeneity of α-synuclein is governed by several distinct subpopulations with interconversion times slower than milliseconds

J Chen, S Zaer, P Drori, J Zamel, K Joron, N Kalisman… - Structure, 2021 - cell.com
Summary α-Synuclein plays an important role in synaptic functions by interacting with
synaptic vesicle membrane, while its oligomers and fibrils are associated with several …

Toward the discovery and development of effective modulators of α-synuclein amyloid aggregation

V Oliveri - European journal of medicinal chemistry, 2019 - Elsevier
A host of human diseases, including Parkinson's disease and Dementia with Lewy bodies,
are suspected to be directly linked to protein aggregation. Amyloid protein aggregates and …

Opposite structural effects of epigallocatechin-3-gallate and dopamine binding to α-synuclein

A Konijnenberg, S Ranica, J Narkiewicz… - Analytical …, 2016 - ACS Publications
The intrinsically disordered and amyloidogenic protein α-synuclein (AS) has been linked to
several neurodegenerative states, including Parkinson's disease. Here, nanoelectrospray …