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Neuronal cdc-2 like kinase in developing kindling rat hippocampus 被引量:5
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作者 才晓慧 徐如祥 唐大木 《Chinese Medical Journal》 SCIE CAS CSCD 2001年第3期24-28,103-104,共7页
Objective To test the hypothesis that neuronal cdc2 like kinase (Cdk5/p35 nck5a ) plays an important role in neuronal maturation and sprouting Methods Changes kinase activity, expression levels and subcellular... Objective To test the hypothesis that neuronal cdc2 like kinase (Cdk5/p35 nck5a ) plays an important role in neuronal maturation and sprouting Methods Changes kinase activity, expression levels and subcellular localizations of Cdk5 and p35 nck5a in the rat hippocampus were studied during kindling progression by Western blot analysis, immunohistochemitry, immunoprecipitation and kinase assay Results Kinase activity in kindling rats was significantly higher than that in normal adult rats The kinase activity at stage 3 was most prominent among all stages of kindling progression The changes in kinase activity coincided with those of p35 nck5a expression in kindling rats In contrast, the expression of Cdk5 was constant throughout the progression of kindling stages However, subcellular localization of Cdk5 dramatically changed in the hippocampal neurons of kindling rats Cdk5 was translocated from axon to soma when kinase activity was high p35 nck5a was always localized in the soma throughout kindling progression Conclusions Neuronal cdc2 like kinase plays an important role in synaptic reorganization, and the translocation of Cdk5 to the soma from the axon may be a novel regulatory mechanism to control kinase activity 展开更多
关键词 cyclin dependent kinase · p35 nck5a · kindling · hippocampus · neuronal plasticity
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