Battery of behavioral tests in mice to study postoperative delirium

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Battery of behavioral tests in mice to study postoperative delirium

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Title: Battery of behavioral tests in mice to study postoperative delirium
Author: Peng, Mian; Zhang, Ce; Dong, Yuanlin; Zhang, Yiying; Nakazawa, Harumasa; Kaneki, Masao; Zheng, Hui; Shen, Yuan; Marcantonio, Edward R.; Xie, Zhongcong

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Citation: Peng, Mian, Ce Zhang, Yuanlin Dong, Yiying Zhang, Harumasa Nakazawa, Masao Kaneki, Hui Zheng, Yuan Shen, Edward R. Marcantonio, and Zhongcong Xie. 2016. “Battery of behavioral tests in mice to study postoperative delirium.” Scientific Reports 6 (1): 29874. doi:10.1038/srep29874. http://dx.doi.org/10.1038/srep29874.
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Abstract: Postoperative delirium is associated with increased morbidity, mortality and cost. However, its neuropathogenesis remains largely unknown, partially owing to lack of animal model(s). We therefore set out to employ a battery of behavior tests, including natural and learned behavior, in mice to determine the effects of laparotomy under isoflurane anesthesia (Anesthesia/Surgery) on these behaviors. The mice were tested at 24 hours before and at 6, 9 and 24 hours after the Anesthesia/Surgery. Composite Z scores were calculated. Cyclosporine A, an inhibitor of mitochondria permeability transient pore, was used to determine potential mitochondria-associated mechanisms of these behavioral changes. Anesthesia/Surgery selectively impaired behaviors, including latency to eat food in buried food test, freezing time and time spent in the center in open field test, and entries and duration in the novel arm of Y maze test, with acute onset and various timecourse. The composite Z scores quantitatively demonstrated the Anesthesia/Surgery-induced behavior impairment in mice. Cyclosporine A selectively ameliorated the Anesthesia/Surgery-induced reduction in ATP levels, the increases in latency to eat food, and the decreases in entries in the novel arm. These findings suggest that we could use a battery of behavior tests to establish a mouse model to study postoperative delirium.
Published Version: doi:10.1038/srep29874
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4951688/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27822209
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