Molecular and Cellular Research on Spinal Cord Injury

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Cellular Pathology".

Deadline for manuscript submissions: 15 January 2025 | Viewed by 702

Special Issue Editors


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Guest Editor
Laboratorio i2 02, Grupo Regeneración Neural, Hospital Nacional de Parapléjicos, 45071 Toledo, Spain
Interests: regenerative medicine; combined treatments; biomaterials and tissue trasplants; cells transplantation; molecular mechanisms of axonal regeneration; chronic SCI; neurotracers; RhoA signaling; inflammation

E-Mail Website
Guest Editor
Laboratorio i2 02, Grupo Regeneración Neural, Hospital Nacional de Parapléjicos, 45071 Toledo, Spain
Interests: cellular therapies of spinal cord injury; Myelin phagocytosis in neurol pathologies; pathophysiology of Guillain-Barré syndrome

Special Issue Information

Dear Colleagues,

Spinal cord injury (SCI) presents a formidable challenge for recovery due to intrinsic limitations that prevent the regeneration of descending and ascending axons and the re-establishment of functional neuronal connections within the central nervous system (CNS). The primary obstacle is the CNS's low capacity for cell replacement and axonal growth. Several inhibitory mechanisms come into play, significantly restricting the regeneration process. These inhibitory signals are predominantly the result of two critical factors: myelin degradation and the formation of glial and fibrotic scar areas surrounding the injury zone. These factors create a hostile environment for neural repair and functional recovery.

Understanding the cellular and molecular mechanisms underlying these inhibitory processes is crucial for developing therapeutic strategies aimed at promoting regeneration and functional recovery in SCI patients. This Special Issue delves into the latest research and advancements in overcoming these barriers, offering insights into potential therapeutic approaches to enhance CNS recovery post SCI.

Dr. Vinnitsa Buzoianu-Anguiano
Prof. Dr. Jörg Mey
Guest Editors

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Keywords

  • spinal cord injury
  • growth inhibitory factors
  • axonal regeneration
  • neuroprotection
  • combined therapies
  • cell trasnplants
  • regenerative medicine
  • inhibition scar formation
  • extracellular matrix molecules

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Published Papers (1 paper)

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Research

19 pages, 3766 KiB  
Article
Transplantation of Predegenerated Peripheral Nerves after Complete Spinal Cord Transection in Rats: Effect of Neural Precursor Cells and Pharmacological Treatment with the Sulfoglycolipid Tol-51
by Alejandro Arriero-Cabañero, Elisa García-Vences, Stephanie Sánchez-Torres, Sergio Aristizabal-Hernandez, Concepción García-Rama, Enrique Pérez-Rizo, Alfonso Fernández-Mayoralas, Israel Grijalva, Vinnitsa Buzoianu-Anguiano, Ernesto Doncel-Pérez and Jörg Mey
Cells 2024, 13(16), 1324; https://doi.org/10.3390/cells13161324 - 8 Aug 2024
Viewed by 564
Abstract
Following spinal cord injury (SCI), the regenerative capacity of the central nervous system (CNS) is severely limited by the failure of axonal regeneration. The regeneration of CNS axons has been shown to occur by grafting predegenerated peripheral nerves (PPNs) and to be promoted [...] Read more.
Following spinal cord injury (SCI), the regenerative capacity of the central nervous system (CNS) is severely limited by the failure of axonal regeneration. The regeneration of CNS axons has been shown to occur by grafting predegenerated peripheral nerves (PPNs) and to be promoted by the transplantation of neural precursor cells (NPCs). The introduction of a combinatorial treatment of PPNs and NPCs after SCI has to address the additional problem of glial scar formation, which prevents regenerating axons from leaving the implant and making functional connections. Previously, we discovered that the synthetic sulfoglycolipid Tol-51 inhibits astrogliosis. The objective was to evaluate axonal regeneration and locomotor function improvement after SCI in rats treated with a combination of PPN, NPC, and Tol-51. One month after SCI, the scar tissue was removed and replaced with segments of PPN or PPN+Tol-51; PPN+NPC+Tol-51. The transplantation of a PPN segment favors regenerative axonal growth; in combination with Tol-51 and NPC, 30% of the labeled descending corticospinal axons were able to grow through the PPN and penetrate the caudal spinal cord. The animals treated with PPN showed significantly better motor function. Our data demonstrate that PPN implants plus NPC and Tol-51 allow successful axonal regeneration in the CNS. Full article
(This article belongs to the Special Issue Molecular and Cellular Research on Spinal Cord Injury)
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