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Advancements in visualization techniques for macromolecules involved in neural network formation Tatsuhiko Ebihara 1 , Shigeo Okabe 2 1Neuroscience Research Institute, National Institute of Advanced Industrial Science and Technology 2Department of Cell Biology, Graduate School of Medicine, Tokyo Medical and Dental University Keyword: 蛍光タンパク , トランスジェニックマウス , 共焦点顕微鏡 pp.129-138
Published Date 2005/2/10
DOI https://doi.org/10.11477/mf.1431100013
  • Abstract
  • Look Inside

Brain is a dynamic system processing sensory information continuously to generate motor outputs. Information processing in the brain is not static, but dynamically regulated via synaptic plasticity. In this sense, clarification of the dynamic behavior of synapses is essential in understanding information processing of neural network. However, fine structure of synapses in the living nervous tissue was not accessible by conventional microscopy. Recently, progress was made in the fluorescence techniques of visualizing synaptic structures and macromolecules. In addition, confocal and two-photon microscopy enabled us to detect fluorescence signals within thick samples with much higher resolution and detection sensitivity. Now there are accumulating evidences for structural dynamics of synapses in living neurons using a variety of preparations ranging from dissociated cultures to in vivo brain tissues.


Copyright © 2005, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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