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Neuronal Function in Male Sprague Dawley Rats During Normal Ageing.

A J Idowu1, I I Olatunji-Bello, J A Olagunju

  • 1Department Physiology, Lagos State University College of Medicine, 1-5 Oba Akinjobi Way, GRA, PMB 21266, Ikeja, Lagos. abimbola.idowu@lasucom.edu.ng.

Nigerian Journal of Physiological Sciences : Official Publication of the Physiological Society of Nigeria
|March 7, 2017
PubMed
Summary
This summary is machine-generated.

Male Sprague Dawley rats exhibit age-related declines in memory and motor function, with increased grooming. The study identifies a novel index for age-related memory impairment in rats, useful for therapeutic research.

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Area of Science:

  • Neuroscience
  • Gerontology
  • Animal Models

Background:

  • Normal aging causes physiological changes, particularly in high-energy tissues like the brain and muscles.
  • Aging can disrupt homeostasis, increasing tissue vulnerability to disease.

Purpose of the Study:

  • To establish a suitable animal model for studying normal aging.
  • To investigate age-related changes in memory and motor function in male Sprague Dawley rats.

Main Methods:

  • Behavioral testing of 3, 6, and 18-month-old male Sprague Dawley rats.
  • Utilized the Novel Object Recognition Task (NORT) and Elevated plus Maze (EPM) Test.
  • Data analyzed using ANOVA and Newman-Keuls post hoc test.

Main Results:

  • An age-related decline in exploratory behavior and locomotor activity was observed.
  • Grooming activity significantly increased with age.
  • A statistically significant difference in minimum distance from the novel object was found between 3- and 18-month-old rats, indicating potential memory impairment.

Conclusions:

  • Male Sprague Dawley rats display age-related neuronal function changes.
  • These rats serve as a valuable model for investigating normal aging mechanisms and potential therapeutic strategies.