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Assessment of anesthesia-induced neurodegeneration in the developing brain and clarification of this mechanism using in vivo multi-photon calcium imaging

Research Project

Project/Area Number 25861372
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Anesthesiology
Research InstitutionMie University

Principal Investigator

TAGAWA Tsuyoshi  三重大学, 医学部附属病院, 助教 (00508517)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords麻酔学 / 小児麻酔 / 神経毒性 / 麻酔薬 / 神経細胞死 / 新生児
Outline of Final Research Achievements

Sevoflurane in combination with propofol caused significantly greater numbers of apoptotic neurons than svoflurane alone in the neonatal mouse brain. However, there was no significant difference in apoptotic neuron density between the groups treated with sevoflurane alone and in combination with thiopental. Neurodegeneration observed in this study was not due to cardiopulmonary collapse. There is the possibility that the combination of sevoflurane and propofol is more harmful anesthetic technique than sevoflulane alone in pediatric patients. This result was published in the paper.
We were successful in multi-photon calcium imaging in the neonatal mouse cortex. However, the mechanism of neurodegeneration has not been elucidated because neonatal mice can not survive the experiment.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (2 results)

All 2015 2014

All Journal Article (2 results) (of which Peer Reviewed: 2 results)

  • [Journal Article] In reply: Is propofol more neurotoxic in the developing brain?2015

    • Author(s)
      Tagawa T, Sakuraba S, Mizoguchi A.
    • Journal Title

      Journal of Anesthesia

      Volume: 29 Issue: 2 Pages: 314-314

    • DOI

      10.1007/s00540-014-1927-2

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Sevoflurane in combination with propofol, not thiopental, induces a more robust neuroapoptosis than sevoflurane alone in the neonatal mouse brain2014

    • Author(s)
      Tagawa T, Sakuraba S, Kimura K, Mizoguchi A
    • Journal Title

      J Anesth

      Volume: (in press) Issue: 6 Pages: 815-820

    • DOI

      10.1007/s00540-014-1822-x

    • Related Report
      2014 Annual Research Report 2013 Research-status Report
    • Peer Reviewed

URL: 

Published: 2014-07-25   Modified: 2019-07-29  

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