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Newly developed method for mouse olfactory behavior tests using an automatic video tracking system

Authors
 Hyung-Ju Cho  ;  Yong Hyuk Lee  ;  Bo Ra Kim  ;  Hong-Kyung Kim  ;  Hyo Jin Chung  ;  Sang Chul Park  ;  Je Kyung Seong  ;  Joo-Heon Yoon  ;  Chang-Hoon Kim 
Citation
 AURIS NASUS LARYNX, Vol.45(1) : 103-110, 2018 
Journal Title
 AURIS NASUS LARYNX 
ISSN
 0385-8146 
Issue Date
2018
Keywords
Anosmia ; Avoidance ; Behavior ; Mouse ; Olfactory test ; Preference
Abstract
OBJECTIVE: The mouse is the most popular animal model in olfactory research. Behavior tests with odorants are essential for determining olfactory phenotype. To the best of our knowledge, the mouse olfactory behavior test has not been standardized, making the results vulnerable to inter-observer variation. We sought to develop a new mouse olfactory behavior test assessed by an automatic video tracking system with minimal inter-observer variation. METHODS: A video-tracking system was used to automatically track mouse behavior in standard breeding cages with C57BL/6N mice. We tested two odorants (peanut butter for the preference test, 2MB acid for the avoidance test) and distilled water (for a control). Mouse behavior was recorded for 3min and analyzed. For the preference test, investigation time was measured. For the avoidance test, time spent in sectors away from the odorant zone was measured. To confirm our experimental settings, we also evaluated an anosmia mouse model prepared with intranasal administration of ZnSO4. RESULTS: All strains of mice showed reproducible behavior patterns of preference or avoidance for the odorants. The anosmia mouse model, as expected, failed to show an olfactory ability for preference or avoidance, and this was well-matched by histologic changes caused by the ZnSO4 treatment. The automatic video tracking system successfully tracked and automatically calculated mouse behavior with good reproducibility. CONCLUSION: Our olfactory behavior test offers a simple and accurate method to evaluate olfactory function in mice. This test can be utilized as a possible standard method to search for features of olfactory phenotypes in mice.
Full Text
https://www.sciencedirect.com/science/article/pii/S0385814616305077
DOI
10.1016/j.anl.2017.03.007
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Hoon(김창훈) ORCID logo https://orcid.org/0000-0003-1238-6396
Park, Sang Chul(박상철)
Yoon, Joo Heon(윤주헌)
Cho, Hyung Ju(조형주) ORCID logo https://orcid.org/0000-0002-2851-3225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/161972
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