Evidence map›Paper›PMID 28638701›Full record

ArticleBrain and behavior2017

Reinnervation of denervated muscle by implantation of nerve-muscle-endplate band graft to the native motor zone of the target muscle.

Liancai Mu, Stanislaw Sobotka, Jingming Chen, Themba Nyirenda

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Article in Brain and behavior, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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3citing papers in PubMed
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3 · Its place in the literature

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3 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Liancai MuDepartment of Research Hackensack University Medical Center Hackensack NJ USA.ORCID 0000-0002-1670-2061
Stanislaw SobotkaDepartment of Research Hackensack University Medical Center Hackensack NJ USA.
Jingming ChenDepartment of Research Hackensack University Medical Center Hackensack NJ USA.
Themba NyirendaDepartment of Research Hackensack University Medical Center Hackensack NJ USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionMotor endplate reinnervation is critical for restoring motor function of the denervated muscle. We developed a novel surgical technique called nerve-muscle-endplate band grafting (NMEG) for muscle reinnervation.

methodsExperimentally denervated sternomastoid muscle in the rat was reinnervated by transferring a NMEG from the ipsilateral sternohyoid muscle to the native motor zone (NMZ) of the target muscle. A NMEG pedicle contained a block of muscle (~ 6 × 6 × 3 mm), a nerve branch with axon terminals, and a motor endplate band with numerous neuromuscular junctions. At 3 months after surgery, maximal tetanic muscle force measurement, muscle mass and myofiber morphology, motoneurons, regenerated axons, and axon-endplate connections of the muscles were analyzed.

resultsThe mean force of the reinnervated muscles was 82% of the contralateral controls. The average weight of the treated muscles was 89% of the controls. The reinnervated muscles exhibited extensive axonal regeneration. Specifically, the mean count of the regenerated axons in the reinnervated muscles reached up to 76.8% of the controls. The majority (80%) of the denervated endplates in the target muscle regained motor innervation.

conclusionsThe NMZ of the denervated muscle is an ideal site for NMEG implantation and for the development of new microsurgical and therapeutic strategies to achieve sufficient axonal regeneration, rapid endplate reinnervation, and optimal functional recovery. NMEG-NMZ technique may become a useful tool in the treatment of muscle paralysis caused by peripheral nerve injuries in certain clinical situations.

Indexed as

AnimalsModels, AnatomicMotor EndplateMotor NeuronsMuscle DenervationMuscle, SkeletalNerve RegenerationNerve TransferNeurogenesisRatsTissue Transplantationmotor endplatemuscle force measurementmuscle reinnervationnative motor zonenerve‐muscle‐endplate band graftingnerve regenerationperipheral nerve injury

Identifiers

PMID28638701
PMCPMC5474699

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