ArticleInternational journal of molecular sciences2024
Regeneration and Plasticity Induced by Epidural Stimulation in a Rodent Model of Spinal Cord Injury.
Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Early high‑frequency spinal cord stimulation modulates the ROS/p38 MAPK/NF‑κB and CXCL10/CXCR3 pathways to alleviate neuropathic pain and promote spinal cord injury repair.International journal of molecular medicine · 2026Article
- Mechanisms and Applications of Conductive Biomaterials in Spinal Cord Injury Repair.Biomaterials research · 2026Review
- Dnmt1 Alleviates S1PR1-Mediated Pyroptosis after Spinal Cord Injury through Regulating Pon3 Expression.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Deep Brain Stimulation and Brain-Spine Interface for Functional Restoration in Spinal Cord Injury.Biomedicines · 2025Review
- Time Course of Motor Improvement by Epidural Stimulation After Spinal Cord Injury: An Interim Analysis of a Phase II Trial.Journal of central nervous system disease · 2025Article
- Electroacupuncture in liver regeneration: a Chinese traditional medicine approach to enhancing liver regeneration.Hepatobiliary surgery and nutrition · 2024Article
- Case report: Combined transcutaneous spinal cord stimulation and physical therapy on recovery of neurological function after spinal cord infarction.Frontiers in medicine · 2024Article
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Authors and funding
8 authors.
Funding
Abstract
Traumatic spinal cord injury is a major cause of disability for which there are currently no fully effective treatments. Recent studies using epidural electrical stimulation have shown significant advances in motor rehabilitation, even when applied during chronic phases of the disease. The present study aimed to investigate the effectiveness of epidural electric stimulation in the motor recovery of rats with spinal cord injury. Furthermore, we aimed to elucidate the neurophysiological mechanisms underlying motor recovery. First, we improved upon the impact spinal cord injury model to cause severe and permanent motor deficits lasting up to 2 months. Next, we developed and tested an implantable epidural spinal cord stimulator device for rats containing an electrode and an implantable generator. Finally, we evaluated the efficacy of epidural electrical stimulation on motor recovery after spinal cord injury in Wistar rats. A total of 60 animals were divided into the following groups: (i) severe injury with epidural electrical stimulation (injury + stim, n = 15), (ii) severe injury without stimulation (group injury, n = 15), (iii) sham implantation without battery (sham, n = 15), and (iv) a control group, without surgical intervention (control, n = 15). All animals underwent weekly evaluations using the Basso, Beattie, Bresnahan (BBB) locomotor rating scale index, inclined plane, and OpenField test starting one week before the lesion and continuing for eight weeks. After this period, the animals were sacrificed and their spinal cords were explanted and prepared for histological analysis (hematoxylin-eosin) and immunohistochemistry for NeuN, β-III-tubulin, synaptophysin, and Caspase 3. Finally, NeuN-positive neuronal nuclei were quantified through stereology; fluorescence signal intensities for β-tubulin, synaptophyin, and Caspase 3 were quantified using an epifluorescence microscope. The injury + stim group showed significant improvement on the BBB scale compared with the injured group after the 5th week (
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