The effect of low-dose tacrolimus on recurrent laryngeal nerve regeneration in pigs: a pilot study

Toll, E. C., Murison, P. J. , Jones, A., Kingham, P. J., Sedaghati, T., Seifalian, A. M. and Birchall, M. (2014) The effect of low-dose tacrolimus on recurrent laryngeal nerve regeneration in pigs: a pilot study. Archives of Clinical and Experimental Surgery, 3(2), pp. 78-86. (doi: 10.5455/aces.20130427050406)

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Abstract

Objective: The functional neurotrophic effects of systemic tacrolimus in a sub-immunosuppressive regimen in the minipig model of laryngeal reinnervation were investigated. Methods: Right recurrent laryngeal nerve transection and phrenic-abductor branch of recurrent laryngeal nerve anastomosis were performed in two minipigs that were administered low-dose oral tacrolimus (0.125 mg/kg) for one month. Vocal cord abduction at four months was rated by two blinded expert assessors on a four-point Likert scale from poor (1) to complete (4), and compared with five fully matched historical control animals that received the same surgery but no other interventions. Results: Right vocal cord abduction was more complete in tacrolimus-treated animals than controls (mean abduction score 2.3 vs. 1.5, p=0.019). Conclusion: Tacrolimus may have an important role in laryngeal reinnervation following allograft transplantation, and low-dose regimens may have applications in cranial and peripheral nerve injuries or in the reinnervation of tissue-engineered laryngeal constructs, but further studies are required.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kingham, Dr Paul and Murison, Professor Pamela
Authors: Toll, E. C., Murison, P. J., Jones, A., Kingham, P. J., Sedaghati, T., Seifalian, A. M., and Birchall, M.
College/School:College of Medical Veterinary and Life Sciences > School of Molecular Biosciences
College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Archives of Clinical and Experimental Surgery
Publisher:ScopeMed
ISSN:2146-8133
ISSN (Online):2146-8133

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