Evidence map›Paper›PMID 20554000›Full record

ReviewBrain research bulletin2011

Construction of pathways to promote axon growth within the adult central nervous system.

George M Smith, Stephen M Onifer

Abstract readReview
In one paragraph

Review in Brain research bulletin, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–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

7 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Plasticity after spinal cord injury: relevance to recovery and approaches to facilitate it.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2011
    Review
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

2 authors.

George M SmithDepartment of Physiology, Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, 40536, USA. gmsmith@uky.edu
Stephen M Onifer

Funding

Reconstruction of the Nigrostriatal pathwayR01NS060784 · NINDS · UNIVERSITY OF KENTUCKY · PI SMITH, GEORGE M · 2009 to 2013
$1.6M
NINDS NIH HHS R01 NS060784
6 · The paper itself

Abstract

Inducing significant axon growth or regeneration after spinal cord injury has been difficult, primarily due to the poor growth supportive environment and low intrinsic growth ability of neurons within the CNS. Neurotrophins alone have been shown to readily induce regeneration of sensory axons after dorsal root lesions, however if neurotrophin gradients are expressed within the spinal cord these axons fail to terminate within appropriate target regions. Under such conditions, addition of a "stop" signal reduces growth into deeper dorsal laminae to support more specific targeting. Such neurotrophin gradients alone lose their effectiveness when lesions are within the spinal cord, requiring a combined treatment regime. Construction of pathways using combined treatments support good regeneration when they increase the intrinsic growth properties of neurons, provide a bridge across the lesion site, and supply a growth supportive substrate to induce axon growth out of the bridge and back into the host. Neurotrophin gradients distal to the bridge greatly enhance axon outgrowth. In disorders where neuronal circuits are lost, construction of preformed growth supportive pathways sustain long distance axon growth from a neuronal transplant to distal target locations.

Indexed as

AxonsCell TransplantationCentral Nervous SystemNerve Growth FactorsNerve RegenerationSpinal Cord InjuriesNerve Growth Factors

Identifiers

PMID20554000
PMCPMC4038358

What OpenQuestion holds

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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.