カムキナーゼIIから記憶・学習の分子的基盤へ

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  • 山内 卓
    徳島大学大学院ヘルスバイオサイエンス研究部・薬学部

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タイトル別名
  • Molecular Mechanism of Learning and Memory Based on the Research for Ca<sup>2+</sup>/Calmodulin-dependent Protein Kinase II
  • カムキナーゼ2から記憶・学習の分子的基盤へ
  • カムキナーゼ 2 カラ キオク ガクシュウ ノ ブンシテキ キバン エ

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  In the central nervous system (CNS), the synapse is a specialized junctional complex by which axons and dendrites emerging from different neuron intercommunicates. Changes in the efficiency of synaptic transmission are important for a number of aspects of neural function. Much has been learned about the activity-dependent synaptic modifications that are thought to underlie memory storage, but the mechanism by which these modifications are stored remains unclear. Thus, it is important to find and characterize “memory molecules,” and “memory apparatus or memory forming apparatus.” A good candidate for the storage mechanism is Ca2+/calmodulin-dependent protein kinase II (CaM kinase II). CaM kinase II is one of the most prominent protein kinases, present in essentially every tissue but most concentrated in the brain. Neuronal CaM kinase II regulates important neuronal functions, including neurotransmitter synthesis, neurotransmitter release, modulation of ion channel activity, cellular transport, cell morphology and neurite extension, synaptic plasticity, learning and memory, and gene expression. Studies concerning this kinase open a door of the molecular basis of nerve function, especially learning and memory, and indicate one direction for the studies in the field of neuroscience. This review presents molecular structure, properties and functions of CaM kinase II, as a major component of neuron, which are mainly developed in our laboratory.<br>

収録刊行物

  • 薬学雑誌

    薬学雑誌 127 (8), 1173-1197, 2007-08-01

    公益社団法人 日本薬学会

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