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Comprehensive behavioral study of C57BL/6.KOR-ApoEshl mice
Hiroshi Ueno1, Yu Takahashi2, Shinji Murakami2
1Department of Medical Technology, Kawasaki University of Medical Welfare, 288, Matsushima, Kurashiki, Okayama, 701-0193, Japan.
Translational Neuroscience
|July 3, 2023
Summary
Apolipoprotein E (ApoE)-deficient mice exhibit impaired motor learning and heightened anxiety. These findings highlight the utility of ApoE-deficient mice for studying neurological functions.
Area of Science:
- Neuroscience
- Genetics
- Animal Models
Background:
- Apolipoprotein E (ApoE) is linked to Alzheimer's disease (AD) and cognitive decline.
- ApoE-deficient mice (Apoeshl) are utilized as models for AD research.
- Behavioral characteristics of commercially available Apoeshl mice require further clarification.
Purpose of the Study:
- To investigate and characterize behavioral abnormalities in Apoeshl mice.
- To assess the suitability of Apoeshl mice for central nervous system research.
Main Methods:
- Behavioral testing of Apoeshl mice.
- Assessment of motor skill learning.
- Evaluation of anxiety-like behaviors.
Main Results:
- Apoeshl mice demonstrated reduced motor skill learning.
- Increased anxiety-like behavior, particularly towards heights, was observed in Apoeshl mice.
- No significant behavioral abnormalities were noted in standard tests like the Y-maze, open-field, light/dark transition, and passive avoidance tests.
Conclusions:
- The study identifies specific behavioral deficits in Apoeshl mice.
- Findings support the use of Apoeshl mice for investigating ApoE's role in the central nervous system.

