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The Role of Intraspinal Administration of Self-Assembled Peptide on Locomotion Recovery After Spinal Cord Injury: A Systematic Review and Meta-Analysis Study Publisher Pubmed



Yousefifard M1 ; Ramezani F1 ; Vaccaro AR2 ; Hosseini M3, 4 ; Rahimimovaghar V5, 6
Authors
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Authors Affiliations
  1. 1. Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Orthopedics and Neurosurgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA, United States
  3. 3. Pediatric Chronic Kidney Disease Research Centre, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Brain and Spinal Injuries Research Center, Neuroscience Institute, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran

Source: Neuromodulation Published:2023


Abstract

Background: Spinal cord injury (SCI) treatment is still a challenge and new treatments that help these patients are being considered. Recent studies showed that the use of self-assembled peptide (SAP) can be useful in SCI treatment. Materials and Methods: In this meta-analysis, we investigated the effect of SAP administration on locomotion recovery after SCI. Records were obtained from a comprehensive search of data bases. Articles were scrutinized for inclusion and exclusion criteria. Data were analyzed and results were reported as standardized mean difference (SMD) with 95% CI. Subgroup analysis was also performed. Results: A total of 14 studies and 17 separate experiments were included in the final analysis. Treatment with SAP structures after SCI resulted in a significant improvement in animal motor function (SMD = 1.13; 95% CI: 0.68–1.58; p < 0.0001). SAP treatment facilitated axon sprouting (SMD = 0.76; 95% CI: 0.33–1.18; p < 0.0001) and reduction of glial scar (SMD = −1.02; 95% CI: −1.94 to −0.09; p = 0.03). The difference in SAP type, its concentration, follow-up time, and SCI model had no effect on SAP effectiveness. In addition, SAP administration had a similar effect on improving locomotion in all three immediate, acute, and subacute phases which gives the good news of using this treatment for patients who are in the chronic phase. Conclusion: SAP treatment can be considered as a potential treatment to help the motor recovery of SCI and axon regeneration. © 2022 International Neuromodulation Society
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