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Neurobehavioral Assessments in a Mouse Model of Neonatal Hypoxic-ischemic Brain Injury
08:32

Neurobehavioral Assessments in a Mouse Model of Neonatal Hypoxic-ischemic Brain Injury

Published on: November 24, 2017

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Differential Effects of Pentoxifylline on Learning and Memory Impairment Induced by Hypoxic-ischemic Brain Injury in

Hülya Halis1, Soner Bitiktaş2, Osman Baştuğ1

  • 1Division of Neonatology, Department of Pediatrics, Faculty of Medicine, Erciyes University, Kayseri, Turkey.

Clinical Psychopharmacology and Neuroscience : the Official Scientific Journal of the Korean College of Neuropsychopharmacology
|July 30, 2019
PubMed

Insights

Neonatal hypoxic-ischemic brain injury causes cognitive deficits. Low-dose pentoxifylline treatment in a rat model protected against memory impairment and brain tissue loss.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Pharmacology

Background:

  • Perinatal hypoxic-ischemic (HI) brain injury leads to lasting neurobehavioral deficits.
  • Cognitive and sensory-motor impairments are common consequences of neonatal HI injury.

Purpose of the Study:

  • To investigate the long-term effects of neonatal HI brain injury.
  • To evaluate the potential neuroprotective effects of pentoxifylline in a neonatal HI rat model.

Main Methods:

  • A neonatal rat model of unilateral HI injury was established via carotid ligation and hypoxia.
  • Rats received either pentoxifylline (low or high dose) or saline post-hypoxia.
  • Spatial learning and memory were assessed using the Morris water maze.

Main Results:

  • HI induced significant hippocampal tissue loss and spatial memory deficits.
  • Low-dose pentoxifylline treatment significantly mitigated both tissue loss and memory impairments.
  • High-dose pentoxifylline administration negated the beneficial effects.

Conclusions:

  • Neonatal HI brain injury in rodents is linked to cognitive impairments.
  • Low-dose pentoxifylline demonstrates neuroprotective effects against spatial memory deficits.
Abstract

Keywords:
Brain hypoxia-ischemiaBrain injuries.Memory and Learning TestsPentoxifylline

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