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KMID : 0624620090420050239
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BMB Reports
2009 Volume.42 No. 5 p.239 ~ p.244
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Adult hippocampal neurogenesis and related neurotrophic factors
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Lee Eu-Gene
Son Hyeon
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Abstract
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New neurons are continually generated in the subgranular zone of the dentate gyrus and in the subventricular zone of the lateral ventricles of the adult brain. These neurons proliferate, differentiate, and become integrated into neuronal circuits, but how they are involved in brain function remains unknown. A deficit of adult hippocampal neurogenesis leads to defective spatial learning and memory, and the hippocampi in neuropsychiatric diseases show altered neurogenic patterns. Adult hippocampal neurogenesis is not only affected by external stimuli but also regulated by internal growth factors including BDNF, VEGF and IGF-1. These factors are implicated in a broad spectrum of pathophysiological changes in the human brain. Elucidation of the roles of such neurotropic factors should provide insight into how adult hippocampal neurogenesis is related to psychiatric disease and synaptic plasticity.
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KEYWORD
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Adult hippocampal neurogenesis, BDNF, IGF-1, Learning and memory, Neurotropic factors, Psychiatric disease, Subgranular zone, Subventricular zone, Synaptic plasticity, VEGF
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