Evidence map›Paper›PMID 24590661›Full record

ArticleCerebellum (London, England)2014

Torpedo formation and Purkinje cell loss: modeling their relationship in cerebellar disease.

Elan D Louis, Sheng-Han Kuo, Jean-Paul G Vonsattel, Phyllis L Faust

Abstract read
In one paragraph

Article in Cerebellum (London, England), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

33 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Characterization of cerebellar amyloid-β deposits in Alzheimer disease.Journal of neuropathology and experimental neurology · 2024
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  13. Paranodal Axoglial Junctions, an Essential Component in Axonal Homeostasis.Frontiers in cell and developmental biology · 2022
    Review
  14. Article
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  16. Article
  17. Review
  18. Review
  19. The proteasome regulator PI31 is required for protein homeostasis, synapse maintenance, and neuronal survival in mice.Proceedings of the National Academy of Sciences of the United States of America · 2019
    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

4 authors.

Elan D LouisGH Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, NY, USA, EDL2@columbia.edu.
Sheng-Han Kuo
Jean-Paul G Vonsattel
Phyllis L Faust

Funding

Pathogenesis Of Essential Tremor: Cerebellar MetabolismR01NS042859 · NINDS · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI LOUIS, ELAN D · 2003 to 2012
$4.9M
The role of glucocerebrosidase and chaperone_mediated autophagy in Parkinsons disK08NS083738 · NINDS · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI KUO, SHENG-HAN · 2013 to 2017
$940k
NINDS NIH HHS K08 NS083738NINDS NIH HHS R01 NS042859NINDS NIH HHS R01NS042859
6 · The paper itself

Abstract

Torpedo formation and Purkinje cell (PC) loss represent standard and inter-related cerebellar responses to injury. Surprisingly, the nature of their relationship has not been carefully characterized across a range of normal and disease states. Are brains with more torpedoes expected to have fewer PCs? We quantified torpedoes and PCs in four groups: essential tremor (ET), spinocerebellar ataxia (SCA), multiple system atrophy-cerebellar (MSA-C), and controls. Brains from 100 individuals (58 ET, 27 controls, 7 SCA, 8 MSA-C) were available at the New York Brain Bank. After complete neuropathological assessment, a standard parasagittal neocerebellar block was harvested; a 7-μm thick section was stained with Luxol fast blue/hematoxylin and eosin; and torpedoes and PCs were quantified. For a given PC count, SCA and MSA-C cases often had higher torpedo counts than ET cases or controls. Furthermore, the relationship between torpedo and PC counts was complex. The correlation between torpedo and PC counts was negative in ET cases (i.e., individuals with more torpedoes had fewer PCs [i.e., more PC loss]) whereas the relationship was positive in MSA-C cases (i.e., individuals with fewer PCs [i.e., more PC loss] had fewer torpedoes). Patients with SCA showed both patterns. When all diagnostic groups were combined, the correlation was best fit by a quadratic (i.e., parabolic) model rather than a simple linear model; this model incorporated data on the negative correlation in ET cases, the mixed results in SCA cases, and the positive correlation in MSA-C cases (r = 0.636). The relationship between torpedo and PC counts was complex and heterogeneous across a range of cerebellar disease states, and was best characterized by a quadratic rather than a simple model. With more severe cerebellar disease, torpedoes can be quite numerous and are likely a common feature of surviving PCs, but eventually, dramatic loss of PC leads to a paradoxical reduction in observable torpedoes.

Indexed as

AgedAged, 80 and overAnalysis of VarianceCase-Control StudiesCell DeathCerebellumEssential TremorFemaleHumansMaleMiddle AgedMultiple System AtrophyPostmortem ChangesPurkinje CellsSpinocerebellar Ataxias

Identifiers

PMID24590661
PMCPMC4077970

What OpenQuestion holds

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Registered trials

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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.