ArticleExperimental and therapeutic medicine2022
Age‑related differences for expression of the nerve‑specific proteins after peripheral nerve injury.
Article in Experimental and therapeutic medicine, 2022. 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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Who cites it
3 citing papers in PubMed.
- The Use of Laser Photobiomodulation in the Treatment of Oro-Facial Neurosensory Alterations-A Case Series from a University Clinic.Healthcare (Basel, Switzerland) · 2026Article
- Vasculogenic tissue nanotransfection accelerates functional recovery after peripheral nerve injury.Science advances · 2026Article
- REST Is Not Resting: REST/NRSF in Health and Disease.Biomolecules · 2023Review
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12 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The effects of aging on axon regeneration currently remain unclear. In addition, the up-regulated expression of neurotrophic factors that occurs within one week of peripheral nerve injury has been shown to play an important role in the axon regeneration. To investigate the effects of aging on axon regeneration, the expression of nerve-specific proteins immediately after peripheral nerve injury were compared between young and aged mice. A mouse peripheral nerve injury model was prepared using the sciatic nerve compression method. In each group, Luxol fast blue staining and immunofluorescence staining were performed to assess the degree of Wallerian degeneration in the sciatic nerve, and to evaluate the expression of repressor element 1-silencing transcription factor (REST)/neuron-restrictive silencer factor (NRSF), brain-derived neurotrophic factor (BDNF), neurotrophin 3 (NT3), nerve growth factor (NGF), and semaphorin 3A (Sema3A) in the dorsal root ganglion, respectively. Wallerian degeneration was observed in both young and aged mice after peripheral nerve injury. Significant increases were observed in the expression of REST/NRSF (P<0.0001), NT3 (P=0.0279), and Sema3A (P=0.0175) following peripheral nerve injury in young mice, while that of BDNF (P=0.5583) and NGF (P=0.9769) remained unchanged. On the other hand, no significant differences were noted in the expression of these nerve-specific proteins in aged mice. Based on the results of the present study, compensatory changes induced by peripheral nerve injury were initiated by the up-regulated expression of REST/NRSF in young mice, but not in aged mice.
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