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Related Experiment Video

Updated: Feb 23, 2026

Controlled Cortical Impact Model for Traumatic Brain Injury
05:30

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Published on: August 5, 2014

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Spinal cord injury drives chronic brain changes.

Ignacio Jure1, Florencia Labombarda1,2

  • 1Laboratorio de Bioquímica Neuroendocrina, Instituto de Biología y Medicina Experimental, CONICET, Buenos Aires, Argentina.

Neural Regeneration Research
|August 31, 2017
PubMed
Summary

Spinal cord injury causes brain inflammation, leading to neurodegeneration and cognitive decline. This study shows reduced neurogenesis and increased reactive gliosis in the hippocampus, explaining behavioral impairments after trauma.

Keywords:
brain neurodegenerationneuroinflammationspinal cord injury

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Area of Science:

  • Neuroscience
  • Neurobiology
  • Pathology

Background:

  • Spinal cord injury (SCI) is linked to cognitive impairments, yet brain structure changes beyond sensory/motor areas are understudied.
  • Chronic neuroinflammation and subsequent neurodegeneration in the brain are known consequences of SCI in animal models.

Purpose of the Study:

  • To investigate long-term changes in brain structures, particularly the hippocampus, following spinal cord injury.
  • To correlate observed neurobiological changes with cognitive and behavioral deficits.

Main Methods:

  • Rodent models of spinal cord injury.
  • Histological and cellular analysis of brain tissue, focusing on the hippocampus.
  • Assessment of neurogenesis and reactive gliosis.

Main Results:

  • SCI induced chronic neuroinflammation and neurodegeneration in the brain.
  • The hippocampus exhibited reduced neurogenesis and increased reactive gliosis post-injury.
  • These hippocampal alterations are associated with long-term behavioral impairments.

Conclusions:

  • Spinal cord injury triggers persistent brain abnormalities, including hippocampal changes.
  • Reduced neurogenesis and increased gliosis in the hippocampus may underlie cognitive decline after SCI.
  • These findings highlight the impact of SCI on non-motor brain functions and suggest potential therapeutic targets.