ArticleScientific reports2024
Neurotrophic and synaptic effects of GnRH and/or GH upon motor function after spinal cord injury in rats.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Targeted muscle reinnervation surgery modulates apoptosis and synaptic plasticity to improve motor function following tibial nerve injury in rats.Annals of medicine · 2026Article
- Leuprolide Acetate Promotes Sensory Recovery and Modulates Dorsal Root Ganglion Responses After Sciatic Nerve Transection in Rats.Brain sciences · 2026Article
- Role of Growth Hormone (GH) and Other Somatotropic Axis Elements in Retinal Neuroprotection.Current issues in molecular biology · 2026Review
- Developing an NT3-loaded exosomal biodegradable conductive hydrogel combined with EA for targeted treatment of spinal cord injury.Materials today. Bio · 2025Article
- Hormonal regulatory networks in spinal cord injury: mechanistic insights, crosstalk, and therapeutic innovations.Frontiers in endocrinology · 2025Review
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Authors and funding
14 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Thoracic spinal cord injury (SCI) profoundly impairs motor and sensory functions, significantly reducing life quality without currently available effective treatments for neuroprotection or full functional regeneration. This study investigated the neurotrophic and synaptic recovery potential of gonadotropin-releasing hormone (GnRH) and growth hormone (GH) treatments in ovariectomized rats subjected to thoracic SCI. Employing a multidisciplinary approach, we evaluated the effects of these hormones upon gene expression of classical neurotrophins (NGF, BDNF, and NT3) as well as indicative markers of synaptic function (Nlgn1, Nxn1, SNAP25, SYP, and syntaxin-1), together with morphological assessments of myelin sheath integrity (Klüver-Barrera staining and MBP immunoreactivity) and synaptogenic proteins (PSD95, SYP) by immunohystochemistry (IHC) , and also on the neuromotor functional recovery of hindlimbs in the lesioned animals. Results demonstrated that chronic administration of GnRH and GH induced notable upregulation in the expression of several neurotrophic and synaptogenic activity genes. Additionally, the treatment showed a significant impact on the restoration of functional synaptic markers and myelin integrity. Intriguingly, while individual GnRH application induced certain recovery benefits, the combined treatment with GH appeared to inhibit neuromotor recovery, suggesting a complex interplay in hormonal regulation post-SCI. GnRH and GH are bioactive and participate in modulating neurotrophic responses and synaptic restoration under neural damage conditions, offering insights into novel therapeutic approaches for SCI. However, the intricate effects of combined hormonal treatment accentuate the necessity for further investigation that conduce to optimal and novel therapeutic strategies for patients with spinal cord lesions.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.