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2008 Fiscal Year Final Research Report

Gontrol of intracellular trafficking of water channel aquaporin-2

Research Project

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Project/Area Number 19770054
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Animal physiology/Animal behavior
Research InstitutionThe University of Tokushima

Principal Investigator

HASEGAWA Takahiro  The University of Tokushima, 大学院・ヘルスバイオサイエンス研究部, 助教 (50447273)

Project Period (FY) 2007 – 2008
Keywordsアクアポリン2 / 腎臓集合管 / 小胞輸送 / プルダウンアッセイ
Research Abstract

水チャネルアクアポリン2(aquaporin-2;AQP2)は腎臓集合管の水再吸収を担う重要なタンパク質であり、バソプレシンにより細胞内の貯蔵小胞と細胞膜間で輸送が調節される。AQP2の細胞内輸送機構を解明するために、AQP2のC末端領域に結合するタンパク質をGST融合AQP2によるプルダウンアッセイで探索した。AQP2は約40kDおよび約70kDのタンパク質と結合すること、さらに約40kDのタンパク質の結合はAQP2のリン酸化に依存していることが明らかとなった。

Research Products

(4 results)

All 2009 2008

All Journal Article (4 results) (of which Peer Reviewed: 3 results)

  • [Journal Article] Trafficking of GFP-AQP5 chimeric proteins conferred with unphosphorylated amino acids at their PKA-target motif ((152)SRRTS) in MDCK-II cells.2009

    • Author(s)
      Karabasil MR, Hasegawa T, Azlina A, Purwanti N, Purevjav J, Yao C, Akamatsu T, Hosoi K.
    • Journal Title

      J Med Invest 56

      Pages: 55-63

    • Peer Reviewed
  • [Journal Article] Inhibition and transcriptional silencing of a subtilisin-like proprotein convertase, PACE4/SPC4, reduces the branching morphogenesis of and AQP5 expression in rat embryonic submandibular gland2009

    • Author(s)
      Akamatsu T, Azlina A, Purwanti N, Karabasil MR, Hasegawa T, Yao C, Hosoi K
    • Journal Title

      Dev Biol 325

      Pages: 434-443

    • Peer Reviewed
  • [Journal Article] Degradation of submandibular gland AQP5 by parasympathetic denervation of chorda tympani and its recovery by cevimeline, an M3 muscarinic receptor agonist2008

    • Author(s)
      LiX, Azlina A, Karabasil MR, Purwanti N, Hasegawa T, Yao C, Akamatsu T, Hosoi K
    • Journal Title

      Am J Physiol Gastrointest Liver Physiol 295

      Pages: G112-G123

    • Peer Reviewed
  • [Journal Article] Localization and trafficking of aquaporin 2 in the kidney2008

    • Author(s)
      Takata K, Matsuzaki T, Tajika Y, Ablimit A, Hasegawa T
    • Journal Title

      Histochem Cell Biol 130

      Pages: 197-209

URL: 

Published: 2010-06-09   Modified: 2016-04-21  

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