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Analysis of membrane receptor of aralin, a cancer-selective cytotoxic protein from aralin elata

Research Project

Project/Area Number 23701104
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Clinical oncology
Research InstitutionTokyo University of Science

Principal Investigator

AKIYAMA Hirotada  東京理科大学, 基礎工学部生物工学科, 助教 (40400254)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords分子標的治療 / 抗癌剤 / RIP / 腫瘍抑制
Research Abstract

Aralin from Aralia elatais a new type II ribosome inactivating protein (RIP). Its A-chain exhibits RNA N-glycosidase activity to inactivate the ribosome and inhibit protein synthesis, while B-chain is the Gal and its derivatives-specific lectin. Aralin preferentially induces apoptosis in cancer cells compared with normal cells. To identify the potent aralin receptor, we previously analyzed the membrane proteins by far Western blotting with anti-aralin antibody, and LC/MS. The obtained data suggested that aralin receptor is the 110-kDa high density lipoprotein binding protein (HDLBP), which is processed from 150-kDa HDLBP and existing in lipid raft as an active HDL receptor. The expression levels of 110-kDa HDLBP of various cancer cells were higher than those of normal cells. Furthermore, we established 110-kDa HDLBP-knockdown HeLa cells using miRNAs. The sensitivity of these cells against aralin was robustly reduced. In contrast, 110-kDa HDLBP-over-expressing cells were not obtained by only forced expression of 150-kDa HDLBP. Expectedly, sensitivity of these cells against aralin was comparable to the control cells. Thus, these results indicate that the processed 110-kDa HDLBP is the authentic receptor and its expression level in the lipid raft determines the sensitivity toward aralin. HDLBP processing analysis from 150-kDa to 110-kDa active form using N- and C-terminal-tagged 150-kDa HDLBP indicated that the N-terminal region could be removed. Currently, we were pursuing the identification of the N-terminal cutting site and possible processing enzymes. In addition, we are exploring the processing mechanism of the HDLBP affecting variety of cancer cells.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (15 results)

All 2013 2012 2011 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (13 results)

  • [Journal Article] Involvement of crosstalk between Oct4 and Meis1a in neural cell fate decision.2013

    • Author(s)
      Yamada T, Urano-Tashiro Y, Tanaka S, Akiyama H, Tashiro F.
    • Journal Title

      PLoS One

      Volume: 8 Issue: 2 Pages: e56997-e56997

    • DOI

      10.1371/journal.pone.0056997

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Prolyl Isomerase Pin1 Regulates Mouse Embryonic Fibroblast Differentiation into Adipose Cells2012

    • Author(s)
      Uchida T
    • Journal Title

      PLoS One

      Volume: 7(3) Issue: 3 Pages: e31823-e31823

    • DOI

      10.1371/journal.pone.0031823

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Presentation] ヒト肝癌における癌幹細胞形質獲得に関わる CD133 の機能解析2012

    • Author(s)
      清田政宏、須藤祐人、秋山弘匡、田代文夫
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] 癌細胞選択的毒性を有するタラノ芽由来aralin 受容体 HDLBP の同定とその機能的プロセッシング機構2012

    • Author(s)
      小野孝英、大塚寛子、秋山弘匡、戸松誠、飯田直幸、服部成介、田代文夫
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] 前立腺がんの悪性化過程における SRY の新たな機能2012

    • Author(s)
      村上重和、上元寿人、坂本依里奈、加藤康平、茂木南士、二宮航、日笠里英、柴田龍弘、秋山弘匡、田代文夫
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] ヒト肝癌細胞において性決定因子 SRY はstemness factors の転写制御を介して癌幹細胞の性質を維持する2012

    • Author(s)
      坂本依里奈、村上重和、上元寿人、加藤康平、茂木南士、二宮航、日笠里英、柴田龍弘、秋山弘匡、田代文夫
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] The 14-3-3 beta/FBI1 complex target gene, SPARC acts as a suppressive oncogene2012

    • Author(s)
      Hirotada Akiyama, Shigekazu Murakami, Fumio Tashiro
    • Organizer
      第71回日本癌学会学術総会
    • Place of Presentation
      札幌
    • Related Report
      2012 Final Research Report
  • [Presentation] Ectopic BCAS2 expression causes abnormal amplification of centrosome2012

    • Author(s)
      Shigekazu Murakami, Hirotada Akiyama, Fumio Tashiro
    • Organizer
      第71回日本癌学会学術総会
    • Place of Presentation
      札幌
    • Related Report
      2012 Final Research Report
  • [Presentation] 癌細胞選択的毒性を有するタラノ芽由来aralin受容体HDLBPの同定とその機能的プロセッシング機構2012

    • Author(s)
      小野孝英
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡
    • Related Report
      2012 Annual Research Report
  • [Presentation] Possible involvement of SRY in occurrence of cancer stem cells2011

    • Author(s)
      Shigekazu Murakami, Satomi Chishima, Hisato Uemoto, Erina Sakamoto, Tatsuhiro Shibata, Hirotada Akiyama, Fumio Tashiro
    • Organizer
      第34回日本分子生物学会年会
    • Place of Presentation
      横浜
    • Related Report
      2012 Final Research Report
  • [Presentation] Analysis of membrane receptor of aralin, a cancer- selective cytotoxic protein from aralin elata2011

    • Author(s)
      Hiroko Otsuka, Hirotada Akiyama, Yoshitaka Gotou, Makoto Tomatsu, Takashi Komeno, Naoyuki Iida, Seisuke Hattori, Yasushi Kawasaki, Fumio Tashiro
    • Organizer
      第34回日本分子生物学会年会
    • Place of Presentation
      横浜
    • Related Report
      2012 Final Research Report
  • [Presentation] SPARC and B-CAM, are suppressive oncogenes2011

    • Author(s)
      Akiyama Hirotada, Murakami Shigekazu, Tashiro Fumio, FBI1/Akirin2 target genes, SPARC and B-CAM
    • Organizer
      第70回日本癌学会学術総会
    • Place of Presentation
      名古屋
    • Related Report
      2012 Final Research Report
  • [Presentation] Establishment of the highly sensitive detection method of cancer cells under near infrared excitation, and its possible application for cancer therapy2011

    • Author(s)
      Hirotada Akiyama, Akito Hattori, Shogo Hayashi, Kohei Soga, Fumio Tashiro
    • Organizer
      International Symposium on Technologies against Cancer (ISTC2011)
    • Place of Presentation
      江戸川
    • Related Report
      2012 Final Research Report
  • [Presentation] Establishment of the highly sensitive detection method of cancer cells under near infrared excitation, and its possible application for cancer therapy

    • Author(s)
      Hirotada Akiyama
    • Organizer
      International Symposium on Technologies against Cancer (ISTC2011)
    • Place of Presentation
      東京都江戸川区
    • Related Report
      2011 Research-status Report
  • [Presentation] Analysis of membrane receptor of aralin, a cancer-selective cytotoxic protein from aralin elata

    • Author(s)
      Hiroko Otsuka
    • Organizer
      第34回日本分子生物学会年会
    • Place of Presentation
      神奈川県横浜市
    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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