Cited by 51Parkinson's Disease Mechanisms and TreatmentsNeuroinflammation and Neurodegeneration MechanismsNeurological diseases and metabolism

Changes in the cell population in brain white matter in multiple system atrophy

Nykjær, Charlotte Havelund, Brudek, Tomasz, Salvesen, Lisette, Pakkenberg, Bente·2017·Movement Disorders

Abstract

Background: M ultiple system atrophy (MSA) is a sporadic progressive neurodegenerative disorder with adult onset and unknown etiology. Clinically it is characterized by autonomic failure, cerebellar ataxia, parkinsonism, and corticospinal dysfunction in any combination and with varying severity. Objectives and Methods: T o establish the extent of involvement of the white matter in the disease, we have used stereology to quantify the total number of neurons and glial cells (oligodendrocytes, astrocytes, and microglia) in the brains from 10 MSA patients and 11 controls. Results: T he mean total number of white matter interstitial neurons in the patient brains was 0.5 × 10 9 (coefficient of variation = standard deviation/mean = 0.37), which was significantly lower than the 1.1 × 10 9 (0.41) in the control brains (P = .001) and equal to a reduction by ∼50%. The patient brains had a significantly higher number of white matter microglia, 1.5 × 10 9 (0.47) versus 0.7 × 10 9 (0.39) microglia in the control subjects (P = .003) and equal to an increase by ∼ 100%. There was no significant difference in mean total numbers of white matter oligodendrocytes and astrocytes between the groups. Conclusions: We found widespread microgliosis without concomitant astrogliosis in brain white matter in MSA patients and demonstrated an absence of significant oligodendrocyte degeneration. The exact role of oligodendrocytes in MSA pathogenesis, including neurodegeneration, remains to be elucidated. © 2017 International Parkinson and Movement Disorder Society

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Crossref · 10.1002/mds.26979

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  • According to pathological studies and PET imaging of MSA brains, microglial activation and neuroinflammation constitute important features of MSA.

    “But according to pathological studies and PET imaging of MSA brains, microglial activation and neuroinflammation constitute important features of MSA.283–287”
  • Significant widespread microgliosis occurs in both neocortex and white matter in MSA patients compared with controls.

    “The results showed significant widespread microgliosis in both neocortex and white matter in MSA patients compared with controls.284,285”

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Authors
Nykjær, C. H., Brudek, T., Salvesen, L., & Pakkenberg, B.
Affiliations
  • Frederiksberg Hospital (DK)
  • University of Copenhagen (DK)
Corresponding author
Pakkenberg, Bente
Venue
Movement Disorders
Publisher
Wiley
Published
2017-04-10
Volume
32
Issue
7
Pages
1074-1082
ISSN
  • 0885-3185 (ISSN-L)
  • 1531-8257
OpenAlex
W2605554476
Cited by
51
References
40
Citations by year
2026: 2 · 2025: 2 · 2024: 3 · 2023: 5 · 2022: 5 · 2021: 10 · 2020: 9 · 2019: 8 · 2018: 3 · 2017: 3 · 2016: 1
FWCI
4.38
Type
journal article
Language
en
Open access
closed
Locations
  • Movement Disorders (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Funders
  • Lundbeckfonden (R126-2012-12359)
  • Novo Nordisk Fonden (NNF15OC0017008)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
Keywords
multiple system atrophy, white matter, microglial activation, oligodendrocytes, astrocytes, microglia, neurodegeneration, stereology, oligodendrocyte degeneration
MeSH terms
Aged, Cell Count, Female, Humans, Male, Middle Aged, Neuroglia, Neurons, Multiple System Atrophy, White Matter

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