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Controlled Cortical Impact Model for Traumatic Brain Injury
05:30

Controlled Cortical Impact Model for Traumatic Brain Injury

Published on: August 5, 2014

29.6K

Time to reconsider extended erythropoietin treatment for infantile traumatic brain injury?

Lauren Jantzie1, Nagat El Demerdash2, Jessie C Newville3

  • 1Division of Neonatology, Department of Pediatrics, University of New Mexico School of Medicine, Albuquerque, NM, 87111,United States.; Department of Neurosciences, University of New Mexico School of Medicine, Albuquerque, NM, 87111, United States..

Experimental Neurology
|May 15, 2019
PubMed

Insights

Erythropoietin (EPO) shows promise in repairing brain damage after pediatric traumatic brain injury (TBI). Extended, high-dose EPO treatment in infant models prevented long-term cognitive deficits, suggesting potential for clinical use.

Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Regenerative Medicine

Background:

  • Pediatric traumatic brain injury (TBI) is a major cause of long-term disability and death in children.
  • Current TBI management focuses on prevention and secondary injury mitigation, lacking acute/subacute repair strategies for the developing brain.
  • Erythropoietin (EPO), a cytokine crucial for neurodevelopment, is being investigated for neuroreparative potential.

Purpose of the Study:

  • To evaluate the efficacy of extended, high-dose erythropoietin (EPO) regimens in preclinical models of infant traumatic brain injury (TBI).
  • To determine if EPO treatment can prevent long-term cognitive deficits following early-life TBI.

Main Methods:

  • Utilized controlled cortical impact (CCI) models in infant rats to simulate TBI.
  • Administered high-dose, extended EPO treatment post-injury.
  • Assessed long-term cognitive outcomes in adult rats that experienced infantile TBI.

Main Results:

  • Independent research groups demonstrated efficacy of extended, high-dose EPO in infant TBI models.
  • Post-infantile CCI EPO treatment prevented long-term cognitive deficits in adult rats.
  • EPO has a favorable safety profile in infants and children.

Conclusions:

  • Extended, high-dose EPO treatment is a promising therapeutic strategy for acute and subacute pediatric TBI.
  • EPO's neurodevelopmental role and safety in neonates support its investigation for TBI.
  • Further clinical trials, including Phase III for perinatal brain injury, are warranted, with potential application for TBI in infants and young children.

Keywords:
BiomarkersCognitionControlled cortical impactDiffusion tensor imagingNeurorepairPediatricPerinatal brain injury

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