Dietary antioxidants and Parkinson's disease

HA Park, AC Ellis - Antioxidants, 2020 - mdpi.com
Parkinson's disease (PD) is a neurodegenerative disorder caused by the depletion of
dopaminergic neurons in the basal ganglia, the movement center of the brain …

Green tea polyphenol epigallocatechin-gallate in amyloid aggregation and neurodegenerative diseases

L Fernandes, TR Cardim-Pires, D Foguel… - Frontiers in …, 2021 - frontiersin.org
The accumulation of protein aggregates in human tissues is a hallmark of more than 40
diseases called amyloidoses. In seven of these disorders, the aggregation is associated with …

N‐homocysteinylation of α‐synuclein promotes its aggregation and neurotoxicity

L Zhou, T Guo, L Meng, X Zhang, Y Tian, L Dai… - Aging …, 2023 - Wiley Online Library
The aggregation of α‐synuclein plays a pivotal role in the pathogenesis of Parkinson's
disease (PD). Epidemiological evidence indicates that high level of homocysteine (Hcy) is …

Metal ions shape α-synuclein

R Moons, A Konijnenberg, C Mensch, R Van Elzen… - Scientific reports, 2020 - nature.com
Abstract α-Synuclein is an intrinsically disordered protein that can self-aggregate and plays
a major role in Parkinson's disease (PD). Elevated levels of certain metal ions are found in …

Using mass spectrometry‐based methods to understand amyloid formation and inhibition of alpha‐synuclein and amyloid beta

WJ Wagner, ML Gross - Mass spectrometry reviews, 2024 - Wiley Online Library
Amyloid fibrils, insoluble β‐sheets structures that arise from protein misfolding, are
associated with several neurodegenerative disorders. Many small molecules have been …

Effects of pharmacological modulators of α-synuclein and tau aggregation and internalization

A Dominguez-Meijide, E Vasili, A König… - Scientific reports, 2020 - nature.com
Parkinson's disease (PD) and Alzheimer's disease (AD) are common neurodegenerative
disorders of the elderly and, therefore, affect a growing number of patients worldwide. Both …

Developments in trapped ion mobility mass spectrometry to probe the early stages of peptide aggregation

A Depraz Depland, I Stroganova… - Journal of the …, 2023 - ACS Publications
Ion mobility mass spectrometry (IM-MS) has proven to be an excellent method to
characterize the structure of amyloidogenic protein and peptide aggregates, which are …

Oxidative modification of proteins: from damage to catalysis, signaling, and beyond

M Demasi, O Augusto, EJH Bechara… - Antioxidants & Redox …, 2021 - liebertpub.com
Significance: The systematic investigation of oxidative modification of proteins by reactive
oxygen species started in 1980. Later, it was shown that reactive nitrogen species could also …

Characterization of Molecular Tweezer Binding on α-Synuclein with Native Top-Down Mass Spectrometry and Ion Mobility-Mass Spectrometry Reveals a Mechanism …

C Lantz, J Lopez, AK Goring… - Journal of the …, 2023 - ACS Publications
Parkinson's disease, a neurodegenerative disease that affects 15 million people worldwide,
is characterized by deposition of α-synuclein into Lewy Bodies in brain neurons. Although …

[HTML][HTML] EGCG has dual and opposing effects on the N-terminal region of self-associating α-synuclein oligomers

AL Grønnemose, EC Østerlund, DE Otzen… - Journal of Molecular …, 2022 - Elsevier
Oligomers of the protein α-synuclein (α-syn) are thought to be a major toxic species in
Parkinson's disease, particularly through their ability to permeabilize cell membranes. The …