Evidence map›Paper›PMID 9096143›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience1997

Dynamic microtubule ends are required for growth cone turning to avoid an inhibitory guidance cue.

J F Challacombe, D M Snow, P C Letourneau

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
4.1field-weighted citation impact, top 6% 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

66 citing papers in PubMed, 173 citations in OpenAlex.

  1. Article
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  4. Article
  5. Tubulin post-translational modifications in meiosis.Seminars in cell & developmental biology · 2023
    Review
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  7. Review
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  11. Knockdown of Fidgetin Improves Regeneration of Injured Axons by a Microtubule-Based Mechanism.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019
    Article
  12. Article
  13. Article
  14. Article
  15. Article
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  17. Article
  18. Uncoupling of UNC5C with Polymerized TUBB3 in Microtubules Mediates Netrin-1 Repulsion.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017
    Article
  19. Article
  20. Stability properties of neuronal microtubules.Cytoskeleton (Hoboken, N.J.) · 2016
    Review

6 more citing papers are in PubMed but not listed here.

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

3 authors at 1 institution in 1 country.

J F ChallacombeDepartment of Cell Biology and Neuroanatomy, The University of Minnesota, Minneapolis, Minnesota 55455, USA.
D M Snow
P C Letourneau
University of Minnesota · US

Funding

MECHANISMS OF NERVE GROWTH CONE TURNING AND BRANCHINGR01HD019950 · NICHD · UNIVERSITY OF MINNESOTA TWIN CITIES · PI LETOURNEAU, PAUL C. · 1985 to 2013
$3.2M
3D ORGANIZATION OF STABLE MICROTUBULES IN GROWTH CONESF32NS009971 · NINDS · UNIVERSITY OF MINNESOTA TWIN CITIES · PI CHALLACOMBE, JEAN F · 1995 to 1996
–
RETINAL/SENSORY GROWTH CONE INHIBITION BY PROTEOGLYCANSR29EY010545 · NEI · UNIVERSITY OF MINNESOTA TWIN CITIES · PI SNOW, DIANE M · 1994 to 1998
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NEI NIH HHS EY10545NICHD NIH HHS HD19950NINDS NIH HHS F32-NS09971
6 · The paper itself

Abstract

Growth cone turning is an important mechanism for changing the direction of neurite elongation during development of the nervous system. Our previous study indicated that actin filament bundles at the leading margin direct the distal microtubular cytoskeleton as growth cones turn to avoid substratum-bound chondroitin sulfate proteoglycan. Here, we investigated the role of microtubule dynamics in growth cone turning by using low doses of vinblastine and taxol, treatments that reduce dynamic growth and shrinkage of microtubule ends. We used time-lapse phase-contrast videomicroscopy to observe embryonic chick dorsal root ganglion neuronal growth cones as they encountered a border between fibronectin and chondroitin sulfate proteoglycan in the presence and absence of 4 nM vinblastine or 7 nM taxol. Growth cones were fixed and immunocytochemically labeled to identify actin filaments and microtubules containing tyrosinated and detyrosinated alpha-tubulin. Our results show that after contact with substratum-bound chondroitin sulfate proteoglycan, vinblastine- and taxol-treated growth cones did not turn, as did controls; instead, they stopped or sidestepped. Even before drug-treated growth cones contacted a chondroitin sulfate proteoglycan border, they were narrower than controls, and the distal tyrosinated microtubules were less splayed and were closer to the leading edges of the growth cones. We conclude that the splayed dynamic distal ends of microtubules play a key role in the actin filament-mediated steering of growth cone microtubules to produce growth cone turning.

Indexed as

AnimalsCell DivisionCells, CulturedChick EmbryoGanglia, SpinalMicrotubules

Identifiers

PMID9096143
PMCPMC6573642
OpenAlexW1614502504

What OpenQuestion holds

Textmetadata
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.