ArticleBMC neuroscience2025
Body weight-supported treadmill training reduces glial scar overgrowth in SCI rats by decreasing the reactivity of astrocytes during the subacute phase.
Article in BMC neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Body weight-supported treadmill training enhances motor recovery and ameliorates neuron injury through the MDK/LRP-1 signaling pathway in T10 incomplete spinal cord-injured rats.Neurochemical research · 2026Article
- Midkine Overexpression Promotes Functional Recovery After Spinal Cord Injury by Enhancing Microglial Efferocytosis Via LRP-1.CNS neuroscience & therapeutics · 2026Article
- Comparative study of treadmill and swimming exercises on spinal regeneration and reactive astrocytes in the brain after spinal cord injury.Journal of exercise rehabilitation · 2025Article
- Detailed Kinematic Analysis Reveals Subtleties of Recovery from Contusion Injury in the Rat Model with DREADDs Afferent Neuromodulation.Bioengineering (Basel, Switzerland) · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
backgroundSpinal cord injury is followed by glial scar formation, which was long seen mainly as a physical barrier preventing axonal regeneration. Glial scar astrocytes lead to glial scar formation and produce inhibitory factors to prevent axons from growing through the scar, while inhibiting the conversion of reactive astrocytes into glial scar-forming astrocytes may represent an ideal treatment for CNS injury. Exercise is a non-invasive and effective therapeutic intervention for clinical rehabilitation of spinal cord injury. However, its precise therapeutic mechanisms still need to be continuously explored.
methods30 rats were randomly assigned to three groups (Sham, SCI, SCI + BWSTT; n = 10 rats per group). In this study, we employed the BBB scales and gait analysis system to examine the behavioral functions of the rats in each group. Furthermore, we utilized immunoblotting of spinal cord tissue at the injury site, in addition to histological staining and immunofluorescence staining, to explore glial scar aggregation and axonal regeneration in each group of rats.
resultsOur results revealed that hindlimb motor function was significantly improved in SCI rats after a sustained subacute period of BWSTT, accompanied by the promotion of histological repair and nerve regeneration. Subsequent immunofluorescence staining and immunoblotting showed diminished astrocyte reactivity in the region surrounding the spinal cord injury as well as reduced expression and distribution of collagen fibers near the lesion after BWSTT. Additionally, a significant decrease in the expression of MMP-2/9, which is closely related to astrocyte migration, was observed in the vicinity of spinal cord tissue lesions.
conclusionOur study demonstrates that a sustained BWSTT intervention during the subacute phase of spinal cord injury can effectively reduce astrocyte reactivity and glial scarring overgrowth, thereby facilitating functional recovery after SCI.
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