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2013 Fiscal Year Final Research Report

Neuronal feature of neonatal diabetes and investigation of neuronal feature of KATP channel in brain

Research Project

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Project/Area Number 24890218
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Metabolomics
Research InstitutionJichi Medical University

Principal Investigator

SHIMOMURA Kenju  自治医科大学, 医学部, 講師 (90636226)

Project Period (FY) 2012-08-31 – 2014-03-31
KeywordsKATPチャネル / 新生児糖尿病 / DEND症候群
Research Abstract

The mutation which was used to generate transgenic mice showed toxicity on E coli. However, by using modified vector, ES screening was completed and now at the stage of injecting to the exbryo. The pharmacological regeneration of DEND status was committed by injecting KATP channel opener diazoxide to the rat brain. The injection successfully reproduced water intake disorder which is observed in DEND patient. In order to investigate possible new and effective treatment of DEND syndrome, the effect of pre-existing neurological drug on KATP channel activity was investigated. Ths study showed that antidepressant bupropion and antiepileptic drug valproic acid have inhibitory effect on KATP channel.

  • Research Products

    (4 results)

All 2014 2013 Other

All Journal Article (2 results) Presentation (2 results)

  • [Journal Article] Chronic exposure to valproic acid promotes insulin release while reducing KATP channel current and unfaltering Ca^<2+> signaling in mouse islets2014

    • Author(s)
      Manaka K, Nakata M, Shimomura K, Rita RS, Maejima Y, Yoshida M, Dezaki K, Kakei M, Yada T
    • Journal Title

      Journal of Physiological Sciences

      Volume: 64 Pages: 77-83

  • [Journal Article] Bupropion can close KATP channel and induce insulin secretion2013

    • Author(s)
      Yang Y, Shimomura K, Sakuma K, Maejima Y, Iwasaki Y, Galvanovskis J, Dezaki K, Nakata M, Yada T
    • Journal Title

      J Pediatr Endocrinol Metab

      Volume: 26 Pages: 343-346

  • [Presentation] 脳におけるKATPチャネルの活性化は摂食量の変化を伴わず飲水量を増加させる

    • Author(s)
      下村健寿、ヨウ・イヒ、佐久間和哉、オトゴンウール・ゼセムドルジェ、プトラ・サントソ、前島裕子、矢田俊彦
    • Organizer
      第34回日本肥満学会
    • Year and Date
      00000000
  • [Presentation] 抗肥満作用のある抗鬱剤ブプロピオンがインスリン分泌に与える影響

    • Author(s)
      ヨウ・イヒ、前島裕子、佐久間和哉、オトゴンウール・ゼセムドルジェ、プトラ・サントソ、岩崎有作、下村健寿、矢田俊彦
    • Organizer
      第34回日本肥満学会
    • Year and Date
      00000000

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Published: 2015-07-16  

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