Electrophysiological and histopathological evaluation of the effectiveness of melatonin and glatiramer acetate for traumatic facial nerve injuries


Göksu M. R., Gümrükçü Z., Balaban E., Mercantepe T., Gökçe F. M.

INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED, cilt.55, sa.10, 2024 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 55 Sayı: 10
  • Basım Tarihi: 2024
  • Doi Numarası: 10.1016/j.injury.2024.111719
  • Dergi Adı: INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Abstracts in Social Gerontology, Aerospace Database, CINAHL, Communication Abstracts, EMBASE, Metadex, SportDiscus, Civil Engineering Abstracts
  • Anahtar Kelimeler: Facial nerve injury, Melatonin, Glatiramer acetate, Peripheral nerve regeneration
  • Recep Tayyip Erdoğan Üniversitesi Adresli: Evet

Özet

Aim: This study aimed to evaluate the effect of systemic/local use of melatonin and glatiramer acetate on regeneration in traumatic nerve injury models. Materials and methods: A total of 42 male Wistar albino rats were randomly divided into 6 groups: healthy control (Group 1), injured control (Group 2), local melatonin (Group 3), systemic melatonin (Group 4), local glatiramer acetate (Group 5), and systemic glatiramer acetate (Group 6). In all groups, electromyography recordings of the facial nerve were obtained after surgery and before sacrifice, and the damaged nerve region was histopathologically examined after sacrifice. Results: In the electrophysiological evaluation, the control group had the greatest decrease in amplitude and extension in latency time following surgery than the treatment groups. Furthermore, a significant decrease in the degenerative axon count, edematous areas, and fibrotic areas as well as a significant increase in axonal surface areas was observed in all the treatment groups compared with the damage control group. Conclusions: Although both glatiramer acetate and melatonin are beneficial in regeneration in traumatic facial nerve injuries, it can be concluded that systemic use of melatonin can yield more positive results than glatiramer acetate and local use of both two drugs.