2011 Fiscal Year Final Research Report
Mechanism for determination of synaptic critical period in brains
Project/Area Number |
21500323
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Nerve anatomy/Neuropathology
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Research Institution | Kyoto Institute of Technology |
Principal Investigator |
MIYATA Seiji 京都工芸繊維大学, 工芸科学研究科, 准教授 (30243124)
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Project Period (FY) |
2009 – 2011
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Keywords | プロテオグリカン / 臨界期 / 脳 / 可塑性 / シナプス |
Research Abstract |
Mechanism for determination of synaptic critical period in brains Chondroitin sulfate proteoglycans(CSPGs) are main components of extracellular matrix in the mammalian brains and possibly concerned with synaptic plasticity. The present study reveals that tPA-plasminogen system is responsible for synaptic plasticity in the hypothalamic vasopressinergic neurons in vivo. Moreover, it is shown that CSPG-degrading enzyme Chase increases the expression of a synaptic plasticity marker GAP-43 in cultured hippocampal neurons in vitro. Thus, the present results demonstrates that CSPGs are crucial role in synaptic plasticity by regulating their expression.
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[Journal Article] Localization of plasminogen in mouse hippocampus, cerebral cortex, and hypothalamus2011
Author(s)
Taniguchi, Y., Inoue, N., Morita, S., Nikaido, Y., Nakashima, T., Nagai, N., Okada, K., Matsuo, O., Miyata, S.
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Journal Title
Cell and Tissue Research
Volume: 343
Pages: 303-317
URL
Peer Reviewed
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[Journal Article] Tissue plasminogen activator and plasminogen are critical for osmotic homeostasis by regulating vasopressin secretion2010
Author(s)
Imamura, Y., Morita, S., Nakatani, N., Okada, K., Ueshima, S., Matsuo, O., Miyata, S.
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Journal Title
Journal of Neuroscience Research
Volume: 88
Pages: 1995-2006
URL
Peer Reviewed
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[Journal Article] Expression of chondroitin sulfate proteoglycan in barrel fields of rodents2009
Author(s)
Nakamura, M., Nakano, K., Morita, S., Nakashima, T., Oohira, A., Miyata, S.
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Journal Title
Brain Research
Volume: 1252
Pages: 117-129
URL
Peer Reviewed
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