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PMID:15884021
| Citation |
Dubois, M, Strazielle, C, Julien, JP and Lalonde, R (2005) Mice with the deleted neurofilament of low molecular weight (Nefl) gene: 2. Effects on motor functions and spatial orientation. J. Neurosci. Res. 80:751-8 |
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| Abstract |
Mice with a null mutation of the Nefl gene were compared with normal controls in tests of motor activity, equilibrium, and spatial orientation. Despite a normal capacity to ambulate, NFL -/- mice had fewer rears in an open field, crossed fewer segments on stationary beams, and fell more frequently when suspended on a horizontal bar. In addition, the distance swum before reaching the escape platform was greater in NFL -/- mice than in controls during acquisition of place learning in the Morris water maze at the start of training. The motor impairments were linearly correlated with increased cytochrome oxidase activity seen in cerebellum and brainstem. These results indicate that, as early as 6 months, depletion of the NFL protein is sufficient to cause mild sensorimotor dysfunctions and spatial deficits, but without overt signs of paresis. |
| Links |
PubMed Online version:10.1002/jnr.20493 |
| Keywords |
Amyotrophic Lateral Sclerosis/enzymology; Amyotrophic Lateral Sclerosis/genetics; Animals; Brain/enzymology; Disease Models, Animal; Electron Transport Complex IV/metabolism; Female; Male; Maze Learning/physiology; Mice; Mice, Knockout; Motor Activity/genetics; Neurofilament Proteins/deficiency; Neurofilament Proteins/genetics; Postural Balance/physiology; Spatial Behavior/physiology |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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See also
References
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