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Zueger, A,Urani, A,Chourbaji, S,Zacher, C,Roche, M,Harkin, A,Gass, P
Neuroscience Letters
Olfactory bulbectomy in mice induces alterations in exploratory behavior
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olfactory bulbectomy mice T-maze test depression model novel object test RAT DEPRESSION MEMORY MODELS MOUSE
The olfactory bulbectomy syndrome is thought to represent a rodent model for psychomotor agitated depression. While this model has been extensively characterized in rats, fewer studies have been conducted with mice. Therefore, the present study aimed at extending the characterization of the OBX-induced behavioral syndrome in mice, using tests like open field, novel object exploration, novel cage and T-maze learning. OBX mice exhibited hyperactivity in a brightly illuminated open field, and also in a novel home cage as well as in the T-maze. Furthermore, OBX mice demonstrated increased exploratory behavior in the novel object test and in the T-maze. The complex alterations described here with respect to locomotion and exploration are robust and can be achieved by relatively simple test procedures. The extended behavioral characterization of the murine OBX model may contribute in particular to the increasing need to test transgenic mice for the presence of depression-like behaviors. (c) 2004 Elsevier Ireland Ltd. All rights reserved.
DOI 10.1016/j.neulet.2004.10.040
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