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Related Concept Videos

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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Related Experiment Video

Updated: Feb 19, 2026

A Neurosphere Assay to Evaluate Endogenous Neural Stem Cell Activation in a Mouse Model of Minimal Spinal Cord Injury
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Neural Stem Cells and Inflammation Modulation in Preclinical Spinal Cord Injury: A Systematic Review.

Mohammad Ebrahim Abbaszadeh1,2, Armin Ghahremanzadeh3, Fatemeh Alizadeh3

  • 1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.

Molecular Neurobiology
|February 17, 2026
PubMed
Summary

Neural stem cell (NSC) transplantation reduces inflammation and promotes repair after spinal cord injury (SCI) by suppressing proinflammatory markers and shifting macrophages to an anti-inflammatory M2 phenotype. Optimized NSC strategies show promise for clinical translation.

Keywords:
ImmunomodulationNeurodegenerative diseaseNeuroinflammationStem cell therapy

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Area of Science:

  • Neuroscience
  • Regenerative Medicine
  • Immunology

Background:

  • Spinal cord injury (SCI) involves primary trauma and secondary neuroinflammation, hindering recovery.
  • Neural stem cells (NSCs) offer therapeutic potential for SCI due to regenerative and immunomodulatory properties.
  • Mechanisms of NSC-mediated inflammation modulation in SCI preclinical models require clarification.

Purpose of the Study:

  • To systematically review rodent studies on NSC transplantation in SCI models.
  • To elucidate the mechanisms by which NSCs modulate inflammation and promote repair.
  • To inform optimized strategies for clinical translation of NSC therapies for SCI.

Main Methods:

  • Systematic literature search of PubMed, Scopus, and Web of Science up to August 2025.
  • Inclusion of preclinical rodent SCI studies assessing inflammatory outcomes post-NSC intervention.
  • Data extraction on study characteristics, NSC administration, inflammation markers, and functional recovery, with SYRCLE quality assessment and narrative synthesis.

Main Results:

  • Ten studies met inclusion criteria, primarily using rat/mouse contusion/compression models.
  • NSC transplantation reduced proinflammatory markers (IL-1β, IL-6, TNF-α) in 70% of studies (p < 0.05).
  • Three studies showed a shift towards anti-inflammatory M2 macrophages, improved locomotor scores, and reduced glial scarring, particularly with subacute timing and adjuncts.

Conclusions:

  • NSC transplantation effectively modulates SCI inflammation by suppressing proinflammatory pathways and promoting M2 macrophage polarization.
  • Optimized NSC strategies, including timing and adjuncts, enhance therapeutic efficacy.
  • Findings support the clinical translation of targeted NSC therapies for spinal cord injury repair.