Evidence map›Paper›PMID 19562355›Full record

ArticleActa neuropathologica2009

Neuronal loss in Pelizaeus-Merzbacher disease differs in various mutations of the proteolipid protein 1.

Anders A F Sima, Christopher R Pierson, Randall L Woltjer, Grace M Hobson, Jeffrey A Golden, William J Kupsky, Galen M Schauer, Thomas D Bird, Robert P Skoff, James Y Garbern

Open access · greenAbstract readCase Reports
In one paragraph

Article in Acta neuropathologica, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
1.2field-weighted citation impact, top 21% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 47 citations in OpenAlex.

  1. Review
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  9. Remyelination Trials: Are We Expecting the Unexpected?Neurology(R) neuroimmunology & neuroinflammation · 2021
    Review
  10. Article
  11. Pathology of the neurovascular unit in leukodystrophies.Acta neuropathologica communications · 2021
    Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Neurogenetics of Pelizaeus-Merzbacher disease.Handbook of clinical neurology · 2018
    Review
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 6 institutions in 1 country.

Anders A F SimaDepartment of Pathology, School of Medicine, Wayne State University, Detroit, MI, USA.
Christopher R Pierson
Randall L Woltjer
Grace M Hobson
Jeffrey A Golden
William J Kupsky
Galen M Schauer
Thomas D Bird
Robert P Skoff
James Y Garbern
Wayne State University · USCommunity Health Systems - Dupont Hospital · USKaiser Permanente Oakland Medical Center · USOregon Health & Science University · USPhiladelphia University · USUniversity of Washington · US

Funding

TRAJECTORIES OF CHANGE IN BMI STATUS IN EARLY CHILDHOODP20RR020173 · NCRR · NEMOURS CHILDREN'S HOSPITAL, DELAWARE · PI MASON, ROBERT · 2004 to 2011
$14.9M
Molecular Mechanisms of NeurodegenerationR01NS043783 · NINDS · WAYNE STATE UNIVERSITY · PI GOW, ALEXANDER · 2002 to 2010
$2.6M
Molecular genetics of Pelizaeus-Merzbacher diseaseR01NS058978 · NINDS · NEMOURS CHILDREN'S HOSPITAL, DELAWARE · PI HOBSON, GRACE M. · 2009 to 2013
$1.1M
NCRR NIH HHS P20 RR020173NCRR NIH HHS P20 RR 020173-01NINDS NIH HHS NS 043783NINDS NIH HHS R01 NS043783NINDS NIH HHS R01 NS058978
6 · The paper itself

Abstract

Mutations affecting proteolipid protein 1 (PLP1), the major protein in central nervous system myelin, cause the X-linked leukodystrophy Pelizaeus-Merzbacher disease (PMD). We describe the neuropathologic findings in a series of eight male PMD subjects with confirmed PLP1 mutations, including duplications, complete gene deletion, missense and exon-skipping. While PLP1 mutations have effects on oligodendrocytes that result in mutation-specific degrees of dysmyelination, our findings indicate that there are also unexpected effects in the central nervous system resulting in neuronal loss. Although length-dependent axonal degeneration has been described in PLP1 null mutations, there have been no reports on neuronal degeneration in PMD patients. We now demonstrate widespread neuronal loss in PMD. The patterns of neuronal loss appear to be dependent on the mutation type, suggesting selective vulnerability of neuronal populations that depends on the nature of the PLP1 disturbance. Nigral neurons, which were not affected in patients with either null or severe misfolding mutations, and thalamic neurons appear particularly vulnerable in PLP1 duplication and deletion patients, while hippocampal neuronal loss was prominent in a patient with complete PLP1 gene deletion. All subjects showed cerebellar neuronal loss. The patterns of neuronal involvement may explain some clinical findings, such as ataxia, being more prominent in PMD than in other leukodystrophies. While the precise pathogenetic mechanisms are not known, these observations suggest that defective glial functions contribute to neuronal pathology.

Indexed as

AdultAge FactorsBrainCell DeathChromosomes, Human, XGenetic MarkersHumansImmunohistochemistryMaleMiddle AgedMutationMyelin Proteolipid ProteinMyelin SheathNeurogliaNeuronsPelizaeus-Merzbacher DiseaseGenetic MarkersMyelin Proteolipid ProteinPLP1 protein, human

Identifiers

PMID19562355
PMCPMC3876935
OpenAlexW2159737799

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.