ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2024
Regulating Astrocytes via Short Fibers for Spinal Cord Repair.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Smart-responsive electrospun scaffolds (SRES) for neural repair: Recent advances and future prospects.Bioactive materials · 2026Review
- Charge/stiffness-tunable nano-microsphere overcomes intestinal mucosal barrier for rheumatoid arthritis treatment.Materials today. Bio · 2026Article
- Biomimetic core-shell GelMA microspheres co-delivering ANXA1, NGF, and fibronectin enable phase-matched immunomodulation and neurorepair after spinal cord injury.Theranostics · 2026Article
- Regulatory T cells attenuate astrogliosis via IL-10/STAT3/PKC/vimentin signaling and promote neurological recovery after spinal cord injury.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026Article
- Electrosensitive Heterogeneous Short Fibers via Acousto-Electric Coupling for Sequential Bone Regeneration in Infectious Defects.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Biomaterial-Based Emergency Intervention for Secondary Spinal Cord Injury.Small science · 2025Review
- Toxoplasma gondii infection of neurons alters the production and content of extracellular vesicles directing astrocyte phenotype and contributing to the loss of GLT-1 in the infected brain.PLoS pathogens · 2025Article
- Pia Mater-Penetrable Lipopolymer Nanoparticles for Gliocyte-Targeted IL-10 mRNA Therapy Alleviate Paclitaxel-Induced Peripheral Neuropathy.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Exosomes: a promising microenvironment modulator for spinal cord injury treatment.International journal of biological sciences · 2025Review
- Regulating Astrocytes via Short Fibers for Spinal Cord Repair.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Current status of neural progenitor/stem cells for spinal cord injury: fundamental research and clinical trials.Frontiers in neurologyReview
Corrections and comments
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Authors and funding
15 authors.
Funding
Abstract
Reactive astrogliosis is the main cause of secondary injury to the central nerves. Biomaterials can effectively suppress astrocyte activation, but the mechanism remains unclear. Herein, Differentially Expressed Genes (DEGs) are identified through whole transcriptome sequencing in a mouse model of spinal cord injury, revealing the VIM gene as a pivotal regulator in the reactive astrocytes. Moreover, DEGs are predominantly concentrated in the extracellular matrix (ECM). Based on these, 3D injectable electrospun short fibers are constructed to inhibit reactive astrogliosis. Histological staining and functional analysis indicated that fibers with unique 3D network spatial structures can effectively constrain the reactive astrocytes. RNA sequencing and single-cell sequencing results reveal that short fibers downregulate the expression of the VIM gene in astrocytes by modulating the "ECM receptor interaction" pathway, inhibiting the transcription of downstream Vimentin protein, and thereby effectively suppressing reactive astrogliosis. Additionally, fibers block the binding of Vimentin protein with inflammation-related proteins, downregulate the NF-κB signaling pathway, inhibit neuron apoptosis, and consequently promote the recovery of spinal cord neural function. Through mechanism elucidation-material design-feedback regulation, this study provides a detailed analysis of the mechanism chain by which short fibers constrain the abnormal spatial expansion of astrocytes and promote spinal cord neural function.
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Registered trials
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