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Mechanism of cancer cell apoptosis under low voltage electric pulses

Research Project

Project/Area Number 24500524
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Biomedical engineering/Biological material science
Research InstitutionOkayama University of Science

Principal Investigator

MATSUKI Noriaki  岡山理科大学, 工学部, 教授 (90284520)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords低電圧パルス / カスパーゼ / 細胞内カルシウム / アポトーシス / Apoptosis / Ca / Electric pulses / 低電圧電気パルス
Outline of Final Research Achievements

High-intensity electrochemotherapy has been investigated as a novel anticancer therapy. However, the application of high-intensity electric fields puts great stress on patients. Therefore, cell death induced by a milder electric field would be a favorable alternative to high-voltage electrochemotherapy. In general, mild electric fields appear to induce less cell damage and greater cell survival than high-intensity fields. Research into the cellular effects of exposure to Low voltage electric pulses (LVEPs) is useful for cancer research.
We examined the role of caspases activities and intracellular Ca2+ in the subsequent cellular response. As a result, we showed that a mild electric field could be a favorable alternative to high-voltage electrochemotherapy. Chemotherapy is generally effective in aerobic condition. Therefore, we studied oxygen micro bubble technique to make cancer tissue aerobic condition. We propose new mild electrochemotherapy under aerobic condition.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (2 results)

All 2014 2013

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (1 results)

  • [Journal Article] Oxygen supersaturated fluid using fine micro/nanobubbles2014

    • Author(s)
      Matsuki, N., et al.
    • Journal Title

      Int J Nanomedicine

      Volume: 9(1) Pages: 4495-4505

    • DOI

      10.2147/ijn.s68840

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Apoptosis induction and caspases activation by low voltage electric pulses2013

    • Author(s)
      N.Matsuki
    • Organizer
      17thECCO-38thESMO-32thESTRO European Cancer Congress
    • Place of Presentation
      Amsterdam
    • Related Report
      2013 Research-status Report

URL: 

Published: 2013-05-31   Modified: 2019-07-29  

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