Evidence map›Paper›PMID 30136928›Full record

ArticleeLife2018

Stage-dependent remodeling of projections to motor cortex in ALS mouse model revealed by a new variant retrograde-AAV9.

Barbara Commisso, Lingjun Ding, Karl Varadi, Martin Gorges, David Bayer, Tobias M Boeckers, Albert C Ludolph, Jan Kassubek, Oliver J Müller, Francesco Roselli

Abstract read
In one paragraph

Article in eLife, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing 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

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

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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.

Barbara CommissoDepartment of Neurology, University of Ulm, Ulm, Germany.
Lingjun DingDepartment of Neurology, University of Ulm, Ulm, Germany.
Karl VaradiDepartment of Internal Medicine III, University Hospital Heidelberg, Heidelberg, Germany.
Martin GorgesDepartment of Neurology, University of Ulm, Ulm, Germany.
David BayerDepartment of Neurology, University of Ulm, Ulm, Germany.
Tobias M BoeckersDepartment of Anatomy and Cell biology, University of Ulm, Ulm, Germany.
Albert C LudolphDepartment of Neurology, University of Ulm, Ulm, Germany.
Jan KassubekDepartment of Neurology, University of Ulm, Ulm, Germany.
Oliver J MüllerDepartment of Internal Medicine, University of Kiel, Kiel, Germany.
Francesco RoselliDepartment of Neurology, University of Ulm, Ulm, Germany.ORCID http://orcid.org/0000-0001-9935-6899

Funding

Deutsche Forschungsgemeinschaft GRK1789Deutsche Forschungsgemeinschaft SFB1149Ulm University Medical Faculty Baustein program
6 · The paper itself

Abstract

Amyotrophic lateral sclerosis (ALS) is characterized by the progressive degeneration of motoneurons in the primary motor cortex (pMO) and in spinal cord. However, the pathogenic process involves multiple subnetworks in the brain and functional MRI studies demonstrate an increase in functional connectivity in areas connected to pMO despite the ongoing neurodegeneration. The extent and the structural basis of the motor subnetwork remodeling in experimentally tractable models remain unclear. We have developed a new retrograde AAV9 to quantitatively map the projections to pMO in the SOD1(G93A) ALS mouse model. We show an increase in the number of neurons projecting from somatosensory cortex to pMO at presymptomatic stages, followed by an increase in projections from thalamus, auditory cortex and contralateral MO (inputs from 20 other structures remains unchanged) as disease advances. The stage- and structure-dependent remodeling of projection to pMO in ALS may provide insights into the hyperconnectivity observed in ALS patients.

Indexed as

Amyotrophic Lateral SclerosisAnimalsDendritic SpinesDependovirusDisease Models, AnimalDisease ProgressionFemaleHumansMaleMiceMotor CortexMutant ProteinsNerve NetProtein FoldingPyramidal CellsSuperoxide DismutaseMutant ProteinsSuperoxide DismutaseAAV9amyotrophic lateral sclerosismouseneuroscienceprimary motor cortexretrograde tracing

Identifiers

PMID30136928
PMCPMC6125125

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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.