A method package for electrophysiological evaluation of reconstructed or regenerated facial nerves in rodents

Yuichi Takeuchi, Hironobu Osaki, Hajime Matsumine, Yosuke Niimi, Ryo Sasaki, Mariko Miyata

Research output: Contribution to journalArticle

Abstract

Compound muscle action potential (CMAP) recording via reconstructed or regenerated motor axons is a critical examination to evaluate newly developed surgical and regeneration techniques. However, there is currently no documentation on technical aspects of CMAP recordings via reconstructed or regenerated facial nerves. We have studied new techniques of plastic surgery and nerve regeneration using a rat facial nerve defect model for years, standardizing an evaluation pipeline using CMAP recordings. Here we describe our CMAP recording procedure in detail as a package including surgical preparation, data acquisition, analysis and troubleshooting. Each resource is available in public repositories and is maintained as a version control system. In addition, we demonstrate that our analytical pipeline can not only be applied to rats, but also mice. Finally, we show that CMAP recordings can be practically combined with other behavioral and anatomical examinations. For example, retrograde motor neuron labeling provides anatomical evidence for physical routes between the facial motor nucleus and its periphery through reconstructed or regenerated facial nerves, in addition to electrophysiological evidence by CMAP recordings from the same animal. • Standardized surgical, recording and analytical procedures for the functional evaluation of reconstructed or regenerated facial nerves of rats, extended to mice.• The functional evaluation can be combined with anatomical evaluations.• The methods described here are maintained in public repositories as version control systems.

Original languageEnglish (US)
Pages (from-to)283-298
Number of pages16
JournalMethodsX
Volume5
DOIs
StatePublished - Jan 1 2018
Externally publishedYes

Fingerprint

Facial Nerve
Action Potentials
Muscle
Rodentia
Muscles
Rats
Pipelines
Control systems
Nerve Regeneration
Motor Neurons
Plastic Surgery
Documentation
Surgery
Labeling
Neurons
Axons
Regeneration
Data acquisition
Animals
Defects

Keywords

  • Analysis
  • Compound muscle action potential
  • Facial nerve
  • Igor Pro
  • MATLAB
  • Mouse
  • Rat
  • Reconstruction
  • Regeneration
  • Retrograde tracer
  • Version control system

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Medical Laboratory Technology

Cite this

A method package for electrophysiological evaluation of reconstructed or regenerated facial nerves in rodents. / Takeuchi, Yuichi; Osaki, Hironobu; Matsumine, Hajime; Niimi, Yosuke; Sasaki, Ryo; Miyata, Mariko.

In: MethodsX, Vol. 5, 01.01.2018, p. 283-298.

Research output: Contribution to journalArticle

Takeuchi, Yuichi ; Osaki, Hironobu ; Matsumine, Hajime ; Niimi, Yosuke ; Sasaki, Ryo ; Miyata, Mariko. / A method package for electrophysiological evaluation of reconstructed or regenerated facial nerves in rodents. In: MethodsX. 2018 ; Vol. 5. pp. 283-298.
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