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  • Title: Neurobehavioural effects of hypergravity conditions in the adult mouse.
    Author: Santucci D, Corazzi G, Francia N, Antonelli A, Aloe L, Alleva E.
    Journal: Neuroreport; 2000 Oct 20; 11(15):3353-6. PubMed ID: 11059901.
    Abstract:
    To evaluate the behavioural response to a hypergravity condition in CD-1 mice, young adult subjects of both sexes were exposed to 2 g for a single 60 min rotational session. Motion sickness (MS) and ethological-type scoring of different activities were used to evaluate the behavioural response. Nerve growth factor (NGF) and brain derived neurotrophic factor (BDNF) levels were also assessed. Behavioural scores indicated a transient mild sickness associated with hypergravity, with reduction in spontaneous activity. In males kaolin consumption (a MS index) increased following rotation while females consumed more kaolin irrespective of whether they have been rotated or simply exposed to the noise and vibration of the rotational apparatus. In males, hypothalamic NGF levels were markedly increased after rotation while no major changes were observed in central BDNF expression. These results indicate mice may represent a suitable MS model.
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