Small soluble α-synuclein aggregates are the toxic species in Parkinson's disease

D Emin, YP Zhang, E Lobanova, A Miller, X Li… - Nature …, 2022 - nature.com
Soluble α-synuclein aggregates varying in size, structure, and morphology have been
closely linked to neuronal death in Parkinson's disease. However, the heterogeneity of …

Sequestosome-1 (SQSTM1/p62) as a target in dopamine catabolite-mediated cellular dyshomeostasis

A Masato, A Andolfo, G Favetta, EN Bellini… - Cell Death & …, 2024 - nature.com
Alterations in the dopamine catabolic pathway are known to contribute to the degeneration
of nigrostriatal neurons in Parkinson's disease (PD). The progressive cellular buildup of the …

Biogenic aldehyde-mediated mechanisms of toxicity in neurodegenerative disease

BS Cagle, RA Crawford, JA Doorn - Current opinion in toxicology, 2019 - Elsevier
Oxidative decomposition of several biomolecules produces reactive aldehydes. Monoamine
neurotransmitters are enzymatically converted to aldehydes via monoamine oxidase …

[HTML][HTML] Hydroxytyrosol and dopamine metabolites: Anti-aggregative effect and neuroprotective activity against α-synuclein-induced toxicity

M Gallardo-Fernández, R Hornedo-Ortega… - Food and Chemical …, 2023 - Elsevier
The abnormal aggregation of the α-synuclein (αsyn) protein is involved in the formation of
Lewy bodies in the brain of patients suffering from Parkinson disease (PD). Hydroxytyrosol …

Role of Parkinson's disease-linked mutations and N-Terminal acetylation on the Oligomerization of α-Synuclein Induced by 3, 4-Dihydroxyphenylacetaldehyde

VA Lima, LA do Nascimento, D Eliezer… - ACS chemical …, 2018 - ACS Publications
Identifying the mechanisms by which the presynaptic protein α-synuclein (aSyn) is
associated with neurodegeneration of dopamine neurons is a major priority in the …

Disruption of dopamine homeostasis associated with alteration of proteins in synaptic vesicles: A putative central mechanism of Parkinson's disease pathogenesis

X **, X Si, X Lei, H Liu, A Shao, L Li - Aging and Disease, 2024 - pmc.ncbi.nlm.nih.gov
Vestigial dopaminergic cells in PD have selectivity for a sub-class of hypersensitive neurons
with the nigrostriatal dopamine (DA) tract. DA is modulated in pre-synaptic nerve terminals to …

Formation of large oligomers of DOPAL-modified α-synuclein is modulated by the oxidation of methionine residues located at C-terminal domain

E Coelho-Cerqueira, CAC Campos… - … and Biophysical Research …, 2019 - Elsevier
The formation of neurotoxic oligomers of the presynaptic protein α-Synuclein (aSyn) is
suggested to be associated with Parkinson's disease neurodegeneration. In this respect, it …

Modulation of alpha-synuclein conformational ensemble and aggregation pathways by dopamine and related molecules

A Natalello, S Brocca, E Ponzini… - FRONTIERS IN …, 2023 - boa.unimib.it
Dopaminergic neurons are constantly threatened by the thin boundaries between functional
α-synuclein (AS) structural disorder and pathogenic aggregation, and between dopamine …

Enhanced mitochondrial inhibition by 3, 4‐dihydroxyphenyl‐acetaldehyde (DOPAL)‐oligomerized α‐synuclein

TA Sarafian, A Yacoub, A Kunz, B Aranki… - Journal of …, 2019 - Wiley Online Library
Oligomeric forms of α‐synuclein are believed to cause mitochondrial injury, which may
contribute to neurotoxicity in Parkinson's disease (PD). Here oligomers of α‐synuclein were …

Alpha‐Synuclein Dopaminylation Presented in Plasma of Both Healthy Subjects and Parkinson's Disease Patients

H Zhao, S Huang, S Palanisamy… - PROTEOMICS …, 2020 - Wiley Online Library
Purpose Alpha‐synuclein (α‐syn) dopaminylation can lead to the death of dopaminergic
neurons in the brain and is a risk factor of Parkinson's disease (PD). This study aims to …