Cited by 83Parkinson's Disease Mechanisms and TreatmentsNeuroinflammation and Neurodegeneration MechanismsNuclear Receptors and Signaling

Targeted overexpression of human α-synuclein in oligodendroglia induces lesions linked to MSA -like progressive autonomic failure

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Stemberger, Sylvia, Poewe, Werner, Wenning, Gregor K., Stefanova, Nadia·2010·Experimental Neurology

Abstract

Multiple system atrophy (MSA) is a rare neurodegenerative disease of undetermined cause manifesting with progressive autonomic failure (AF), cerebellar ataxia and parkinsonism due to neuronal loss in multiple brain areas associated with (oligodendro)glial cytoplasmic alpha-synuclein (alpha SYN) inclusions (GCIs). Using proteolipid protein (PLP)-alpha-synuclein (alpha SYN) transgenic mice we have previously reported parkinsonian motor deficits triggered by MSA-like alpha SYN inclusions. We now extend these observations by demonstrating degeneration of brain areas that are closely linked to progressive AF and other non-motor symptoms in MSA, in (PLP)-alpha SYN transgenic mice as compared to age-matched non-transgenic controls. We show delayed loss of cholinergic neurons in nucleus ambiguus at 12 months of age as well as early neuronal loss in laterodorsal tegmental nucleus, pedunculopontine tegmental nucleus and Onuf's nucleus at 2 months of age associated with alpha SYN oligodendroglial overexpression. We also report that neuronal loss triggered by MSA-like alpha SYN inclusions is absent up to 12 months of age in the thoracic intermediolateral cell column suggesting a differential dynamic modulation of alpha SYN toxicity within the murine autonomic nervous system. Although the spatial and temporal evolution of central autonomic pathology in MSA is unknown our findings corroborate the utility of the (PLP)-alpha SYN transgenic mouse model as a testbed for the study of oligodendroglial alpha SYN mediated neurodegeneration replicating both motor and non-motor aspects of MSA.

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Crossref · 10.1016/j.expneurol.2010.05.008

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  • Activated microglia are found within white matter tracts and areas of neurodegeneration in patients with MSA, and are believed to release proinflammatory cytokines and possibly play a role in neurodegeneration.

    “It has been reported that activated microglia are found within white matter tracts and areas of neurodegeneration in patients with MSA, and are believed to release proinflammatory cytokines and possibly play a role in neurodegeneration [26, 53].”

    From Novel oligodendroglial alpha synuclein viral vector models of multiple system atrophy: studies in rodents and nonhuman primates (2017) · cites this paper as [53]

    The Discussion (page unavailable) lists microglial activation in an MSA mouse model and suggests a relationship between neuroinflammation and degeneration. It does not report activated microglia in the white matter tracts or degenerating areas of patients with MSA, or say that they release proinflammatory cytokines. (LLM, conf=0.83)

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Authors
Stemberger, S., Poewe, W., Wenning, G. K., & Stefanova, N.
Affiliations
Innsbruck Medical University (AT)
Corresponding author
Wenning, Gregor K.
Venue
Experimental Neurology
Publisher
Elsevier BV
Published
2010-08
Volume
224
Issue
2
Pages
459-464
ISSN
0014-4886 (ISSN-L)
OpenAlex
W1973365424
Cited by
83
References
50
Citations by year
2026: 2 · 2025: 5 · 2024: 7 · 2022: 2 · 2021: 3 · 2020: 8 · 2019: 1 · 2018: 8 · 2017: 4 · 2016: 7 · 2015: 9 · 2014: 4 · 2013: 8 · 2012: 5
FWCI
4.37
Type
journal article
Language
en
Open access
Locations
  • Experimental Neurology (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • Tyrolian Research Funds (TWF UNI-0404/325)
  • Austrian Research Foundation (FWF P-19989-B05, DK-C34-B05)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
multiple system atrophy, alpha-synuclein, oligodendroglial inclusions, cholinergic neuron loss, nucleus ambiguus, laterodorsal tegmental nucleus, pedunculopontine nucleus, Onuf's nucleus, intermediolateral cell column, transgenic mouse model, proteolipid protein, neurodegeneration, autonomic nervous system
MeSH terms
Animals, Brain, Cell Count, Disease Models, Animal, Humans, Mice, Transgenic, Neurons, Oligodendroglia, Multiple System Atrophy, Mice, alpha-Synuclein

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