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Study Motor Skill Learning by Single-pellet Reaching Tasks in Mice
Published on: March 4, 2014
The negative cell cycle regulator, Tob (transducer of ErbB-2), is involved in motor skill learning
Xin-Ming Wang1, Xiang Gao, Xue-Han Zhang
1Laboratory of Higher Brain Functions, Institute of Neurobiology, Fudan University, 220 Han-Dan Road, Shanghai 200433, China.
Abstract:
Tob (transducer of ErbB-2) is a negative cell cycle regulator with anti-proliferative activity in peripheral tissues. Our previous study identified Tob as a protein involved in hippocampus-dependent memory consolidation (M.L. Jin, X.M. Wang, Y.Y. Tu, X.H. Zhang, X. Gao, N. Guo, Z.Q. Xie, G.P. Zhao, N.H. Jing, B.M. Li, Y.Yu, The negative cell cycle regulator, Tob (Transducer of ErbB-2), is a multifunctional protein involved in hippocampus-dependent learning and memory, Neuroscience 131 (2005) 647-659). Here, we provide evidence that Tob in the central nervous system is engaged in acquisition of motor skill. Tob has a relatively high expression in the cerebellum. Tob expression is up-regulated in the cerebellum after rats receive training on a rotarod-running task. Rats infused with Tob antisense oligonucleotides into the 4th ventricle exhibit a severe deficit in running on a rotating rod or walking across a horizontally elevated beam.
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