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.
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.
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.
More Related Videos
14:57Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology
Published on: March 23, 2011
09:37A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
Published on: July 14, 2016