Abstract
A number of studies have demonstrated a role for transition metals and oxidative stress in the etiology of Parkinson ’ s disease (PD). Genetic and biochemical evidence also clearly links the protein alpha-synuclein (αSyn) to PD and a number of associated diseases. In these “synucleinopathies”, αSyn is deposited, often in oligomerized forms, as cytoplasmic inclusions known as Lewy bodies and Lewy neurites. αSyn cross-linking/oligomerization can occur via a number of processes, most stimulated by metal catalyzed oxidation (MCO). In PD, the increased sensitivity of midbrain neurons expressing high levels of oxidizable catecholamines may provide one clue to account for degeneration of these neurons. In other regions of the nervous system that develop Lewy body pathology, the mode of αSyn oligomerization is less clear. Thus, the relationship between αSyn and MCO, either direct or indirect, represents a particular concern for possible treatment of these various diseases.
Keywords: Parkinson's disease, alpha-synuclein, metals, oxidation, dopamine, oligomerization, cross-linking, neuromelanin
Current Alzheimer Research
Title: Metal Catalyzed Oxidation of Alpha-Synuclein – A Role for Oligomerization in Pathology?
Volume: 5 Issue: 6
Author(s): N. B. Cole
Affiliation:
Keywords: Parkinson's disease, alpha-synuclein, metals, oxidation, dopamine, oligomerization, cross-linking, neuromelanin
Abstract: A number of studies have demonstrated a role for transition metals and oxidative stress in the etiology of Parkinson ’ s disease (PD). Genetic and biochemical evidence also clearly links the protein alpha-synuclein (αSyn) to PD and a number of associated diseases. In these “synucleinopathies”, αSyn is deposited, often in oligomerized forms, as cytoplasmic inclusions known as Lewy bodies and Lewy neurites. αSyn cross-linking/oligomerization can occur via a number of processes, most stimulated by metal catalyzed oxidation (MCO). In PD, the increased sensitivity of midbrain neurons expressing high levels of oxidizable catecholamines may provide one clue to account for degeneration of these neurons. In other regions of the nervous system that develop Lewy body pathology, the mode of αSyn oligomerization is less clear. Thus, the relationship between αSyn and MCO, either direct or indirect, represents a particular concern for possible treatment of these various diseases.
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Cite this article as:
Cole B. N., Metal Catalyzed Oxidation of Alpha-Synuclein – A Role for Oligomerization in Pathology?, Current Alzheimer Research 2008; 5 (6) . https://dx.doi.org/10.2174/156720508786898523
DOI https://dx.doi.org/10.2174/156720508786898523 |
Print ISSN 1567-2050 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5828 |
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