Evidence map›Paper›PMID 21623957›Full record

ArticleThe European journal of neuroscience2011

Neurotrophin-4/5 is implicated in the enhancement of axon regeneration produced by treadmill training following peripheral nerve injury.

Arthur W English, Delia Cucoranu, Amanda Mulligan, José A Rodriguez, Manning J Sabatier

Abstract read
In one paragraph

Article in The European journal of neuroscience, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.1field-weighted citation impact, top 29% 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

16 citing papers in PubMed, 33 citations in OpenAlex.

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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

5 authors at 2 institutions in 1 country.

Arthur W EnglishDepartment of Cell Biology, Emory University School of Medicine, 615 Michael Street, Atlanta, GA 30322, USA. medae@emory.edu
Delia Cucoranu
Amanda Mulligan
José A Rodriguez
Manning J Sabatier
Emory University · USClayton State University · US

Funding

IRACDA Fellowships in Research and Science Training (FIRST)K12GM000680 · NIGMS · EMORY UNIVERSITY · PI BROWN, LOU ANN S, MCCARTY, NAEL A · 2000 to 2024
$41.2M
Exercise, neurotrophins, and axon regeneration in the PNSR01NS057190 · NINDS · EMORY UNIVERSITY · PI ENGLISH, ARTHUR W. · 2007 to 2016
$3.3M
NIGMS NIH HHS K12 GM000680NIGMS NIH HHS K12 GM00680-05NINDS NIH HHS NS057190NINDS NIH HHS R01 NS057190
6 · The paper itself

Abstract

The role of neurotrophin-4/5 (NT-4/5) in the enhancement of axon regeneration in peripheral nerves produced by treadmill training was studied in mice. Common fibular nerves of animals of the H strain of thy-1-YFP mice, in which a subset of axons in peripheral nerves is marked by the presence of yellow fluorescent protein, were cut and surgically repaired using nerve grafts from non-fluorescent mice. Lengths of profiles of fluorescent regenerating axons were measured using optical sections made through whole mounts of harvested nerves. Measurements from mice that had undergone 1 h of daily treadmill training at modest speed (10 m/min) were compared with those of untrained (control) mice. Modest treadmill training resulted in fluorescent axon profiles that were nearly twice as long as controls at 1, 2 and 4 week survival times. Similar enhanced regeneration was found when cut nerves of wild type mice were repaired with grafts from NT-4/5 knockout mice or grafts made acellular by repeated freezing/thawing. No enhancement was produced by treadmill training in NT-4/5 knockout mice, irrespective of the nature of the graft used to repair the cut nerve. Much as had been observed previously for the effects of brief electrical stimulation, the effects of treadmill training on axon regeneration in cut peripheral nerves are independent of changes produced in the distal segment of the cut nerve and depend on the promotion of axon regeneration by changes in NT-4/5 expression by cells in the proximal nerve segment.

Indexed as

AnimalsAxonsMaleMiceMice, KnockoutMice, TransgenicNerve Growth FactorsNerve RegenerationPeroneal NervePhysical Conditioning, AnimalTransplantsNerve Growth Factorsneurotrophin 4neurotrophin 5

Identifiers

PMID21623957
PMCPMC3118869
OpenAlexW1741817323

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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.