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Elucidation of the mechanism of anticancer activity of the cancer suppressor gene INPP4B

Research Project

Project/Area Number 18K06623
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 47030:Pharmaceutical hygiene and biochemistry-related
Research InstitutionAkita University

Principal Investigator

TAKASUGA Shunsuke  秋田大学, 医学系研究科, 助教 (90375262)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
KeywordsINPP4B / がん抑制遺伝子 / PTEN / ホスホイノシタイド
Outline of Final Research Achievements

We generated genetically engineered mice that express the human INPP4B gene in a cell- and tissue-specific manner and crossed them with liver-specific Pten gene-deficient mice, which are carcinogenesis model mice, to create mice that compensatory express INPP4B in a cell-specific manner in liver cells lacking the Pten gene. The results showed that fatty liver, a precancerous lesion caused by Pten deficiency, was strongly suppressed by the expression of INPP4B. This result suggests that phosphatidylinositol-3,4,5-trisphosphate, which abnormally accumulated due to Pten deficiency, is degraded by INPP4B, and that INPP4B substitutes for Pten function.

Academic Significance and Societal Importance of the Research Achievements

PTENは代表的ながん抑制遺伝子の一つである。我々はINPP4Bが、PTENと同じ基質を脱リン酸化することを見出し、PTENの機能をINPP4Bにより代替できる可能性に着目した。本研究において、新たに作製した条件付きINPP4B過剰発現マウスを用いることで、外来性のINPP4Bを発現が、Pten欠損による前がん病変(脂肪肝)の発症を抑制しうることがマウス個体レベルで初めて示された。この結果は、PTENの不活化により引き起こされるヒトのがんの発症や進展を、INPP4Bの人為的な活性化により抑制する可能性を示すものであり、INPP4Bを新たな創薬標的分子として提示するものである。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (11 results)

All 2021 2019 2018 2017

All Journal Article (9 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 9 results,  Open Access: 6 results) Presentation (1 results) Book (1 results)

  • [Journal Article] Trained innate lymphoid cells in allergic diseases2021

    • Author(s)
      Ebihara T, Tatematsu M, Fuchimukai A, Yamada T, Yamagata K, Takasuga S, Yamada T
    • Journal Title

      Allergology International

      Volume: 70 Issue: 2 Pages: 174-180

    • DOI

      10.1016/j.alit.2020.11.007

    • NAID

      130008024334

    • ISSN
      1323-8930, 1440-1592
    • Related Report
      2021 Annual Research Report 2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Sac1 Phosphoinositide Phosphatase Regulates Foam Cell Formation by Modulating SR-A Expression in Macrophages2019

    • Author(s)
      Nigorikawa K, Matsumura T, Sakamoto H, Morioka S, Kofuji S, Takasuga S, Hazeki K.
    • Journal Title

      Biological and Pharmaceutical Bulletin

      Volume: 42 Issue: 6 Pages: 923-928

    • DOI

      10.1248/bpb.b18-00907

    • NAID

      130007657676

    • ISSN
      0918-6158, 1347-5215
    • Year and Date
      2019-06-01
    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Increased fatty acyl saturation of phosphatidylinositol phosphates in prostate cancer progression2019

    • Author(s)
      Koizumi Atsushi、Narita Shintaro、Nakanishi Hiroki、Ishikawa Masaki、Eguchi Satoshi、Kimura Hirotaka、Takasuga Shunsuke、Huang Mingguo、Inoue Takamitsu、Sasaki Junko、Yoshioka Toshiaki、Habuchi Tomonori、Sasaki Takehiko
    • Journal Title

      Scientific Reports

      Volume: 9 Issue: 1 Pages: 13257-13257

    • DOI

      10.1038/s41598-019-49744-3

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Phosphorylation of TMEM55B by Erk/MAPK regulates lysosomal positioning.2019

    • Author(s)
      Takemasu S, Nigorikawa K, Yamada M, Tsurumi G, Kofuji S, Takasuga S, Hazeki K.
    • Journal Title

      J Biochem.

      Volume: 166 Issue: 2 Pages: 175-185

    • DOI

      10.1093/jb/mvz026

    • NAID

      40021974923

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Lysophosphatidylinositol‐acyltransferase‐1 is involved in cytosolic Ca2+ oscillations in macrophages2019

    • Author(s)
      Takemasu Shinya、Ito Masaki、Morioka Shin、Nigorikawa Kiyomi、Kofuji Satoshi、Takasuga Shunsuke、Eguchi Satoshi、Nakanishi Hiroki、Matsuoka Isao、Sasaki Junko、Sasaki Takehiko、Hazeki Kaoru
    • Journal Title

      Genes to Cells

      Volume: - Issue: 5 Pages: 1-11

    • DOI

      10.1111/gtc.12681

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] PIKfyve accelerates phagosome acidification through activation of TRPML1 while arrests aberrant vacuolation independent of the Ca2+ channel.2019

    • Author(s)
      Isobe Y, Nigorikawa K, Tsurumi G, Takemasu S, Takasuga S, Kofuji S, Hazeki K.
    • Journal Title

      J Biochem.

      Volume: 165 Issue: 1 Pages: 75-84

    • DOI

      10.1093/jb/mvy084

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] PIKfyve regulates melanosome biogenesis2018

    • Author(s)
      Liggins Marc C.、Flesher Jessica L.、Jahid Sohail、Vasudeva Priya、Eby Victoria、Takasuga Shunsuke、Sasaki Junko、Sasaki Takehiko、Boissy Raymond E.、Ganesan Anand K.
    • Journal Title

      PLOS Genetics

      Volume: 14 Issue: 3 Pages: e1007290-e1007290

    • DOI

      10.1371/journal.pgen.1007290

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] TMEM55a localizes to macrophage phagosomes to downregulate phagocytosis2018

    • Author(s)
      Morioka Shin、Nigorikawa Kiyomi、Okada Eri、Tanaka Yoshimasa、Kasuu Yoshihiro、Yamada Miho、Kofuji Satoshi、Takasuga Shunsuke、Nakanishi Hiroki、Sasaki Takehiko、Hazeki Kaoru
    • Journal Title

      Journal of Cell Science

      Volume: 131 Issue: 5 Pages: 213272-213272

    • DOI

      10.1242/jcs.213272

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The effect and possible clinical efficacy of in vivo inhibition of neutrophil extracellular traps by blockade of PI3K-gamma on the pathogenesis of microscopic polyangiitis2017

    • Author(s)
      Kimura Hirotaka、Matsuyama Yasushi、Araki Sachiko、Koizumi Atsushi、Kariya Yumi、Takasuga Shunsuke、Eguchi Satoshi、Nakanishi Hiroki、Sasaki Junko、Sasaki Takehiko
    • Journal Title

      Modern Rheumatology

      Volume: 28 Issue: 3 Pages: 530-541

    • DOI

      10.1080/14397595.2017.1367116

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 肝特異的ホスファチジルグリセロールリン酸ホスファターゼ遺伝子欠損によるラロン型低身長症様疾患モデルマウス2021

    • Author(s)
      高須賀俊輔、海老原敬、佐々木雄彦
    • Organizer
      第94回日本生化学会大会
    • Related Report
      2021 Annual Research Report
  • [Book] 脂質クオリティ2018

    • Author(s)
      高須賀俊輔・佐々木雄彦(編集=有田誠)
    • Total Pages
      220
    • Publisher
      羊土社
    • ISBN
      9784758103718
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2023-01-30  

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