Cited by 598Nerve injury and regenerationPlanarian Biology and ElectrostimulationNeurobiology and Insect Physiology Research

Functional regeneration after laser axotomy

Yanik, Mehmet Fatih, Cinar, Hulusi, Cinar, Hediye Nese, Chisholm, Andrew D., Jin, Yishi, Ben-Yakar, Adela·2004·Nature

Abstract

Understanding how nerves regenerate is an important step towards developing treatments for human neurological disease, but investigation has so far been limited to complex organisms (mouse and zebrafish) in the absence of precision techniques for severing axons (axotomy). Here we use femtosecond laser surgery for axotomy in the roundworm Caenorhabditis elegans and show that these axons functionally regenerate after the operation. Application of this precise surgical technique should enable nerve regeneration to be studied in vivo in its most evolutionarily simple form.

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Crossref · 10.1038/432822a

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  • Forward locomotion in D-class mutants or D-ablated worms is described either as wild type or nearly wild type with a reduction in amplitude.

    “In contrast, forward locomotion in these mutants or D-ablated worms is described either as wild type (Walthall et al., 1993; Yanik et al., 2004), or nearly wild type with a reduction in amplitude (McIntire et al., 1993b).”

    From Gait Modulation in C. elegans: An Integrated Neuromechanical Model (2012) · cites this paper as Yanik et al., 2004

  • Knocking out D-class neuron function yields essentially the same shrinker phenotype in all cases: when touched on the head, worms contract muscles along both sides of their bodies.

    “The function of D-class neurons can be knocked out through mutation of genes required in the GABA pathway (McIntire et al., 1993b), by targeted killing of D-class neurons (Walthall et al., 1993) and by laser axotomy (Yanik et al., 2004), yielding essentially the same so-called shrinker phenotype (Hodgkin, 1983) in all cases: When touched on the head, wild type worms will back up, whereas worms who”

    From Gait Modulation in C. elegans: An Integrated Neuromechanical Model (2012) · cites this paper as Yanik et al., 2004

  • In every case where forward locomotion of GABA pathway defective worms was reported, the assay was performed on agar.

    “In fact, in every case where forward locomotion of GABA pathway defective worms was reported (McIntire et al., 1993b; Walthall et al., 1993; Yanik et al., 2004), the assay was performed on agar.”

    From Gait Modulation in C. elegans: An Integrated Neuromechanical Model (2012) · cites this paper as Yanik et al., 2004

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Authors
Yanik, M. F., Cinar, H., Cinar, H. N., Chisholm, A. D., Jin, Y., & Ben-Yakar, A.
Affiliations
  • Stanford University (US)
  • University of California, Santa Cruz (US)
  • Howard Hughes Medical Institute (US)
Venue
Nature
Published
2004-12-15
Volume
432
Issue
7019
Pages
822-822
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2076188357
Cited by
598
References
0
Citations by year
2026: 6 · 2025: 14 · 2024: 15 · 2023: 21 · 2022: 15 · 2021: 30 · 2020: 38 · 2019: 23 · 2018: 20 · 2017: 25 · 2016: 37 · 2015: 21 · 2014: 24 · 2013: 35 · 2012: 45
FWCI
7.85
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Planarian Biology and Electrostimulation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
nerve regeneration, axotomy, Caenorhabditis elegans, functional regeneration
MeSH terms
Animals, Axons, Larva, Locomotion, Motor Neurons, Nerve Regeneration, Neurosurgery, Caenorhabditis elegans, Axotomy, Laser Therapy

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