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2020 Fiscal Year Annual Research Report

In vitro mouse small cell lung cancer model using isolated lung epithelium

Research Project

Project/Area Number 18K19480
Research InstitutionKumamoto University

Principal Investigator

伊藤 隆明  熊本大学, 大学院生命科学研究部(医), 教授 (70168392)

Project Period (FY) 2018-06-29 – 2021-03-31
Keywords小細胞肺癌 / マウスモデル / 単離上皮 / オルガノイド発癌
Outline of Annual Research Achievements

令和2年度においては、小細胞肺癌mouse model (Tp53(-); CCSPrtTA; tet0cre; floxedRb1; floxed Hes1)および(
Tp53(-); CCSPrtTA; tetOCre; floxedRb1; floxedhes1; tet0 mutant EGFR)の妊娠マウス5腹より、胎仔(胎齢16日を採取した。胎仔肺より、酵素処理後に上皮を単離し、matrigelに包埋し、器官培養を行った。培養後200-300日すると、培地内に遊出する腫瘍細胞を観察することが出来た。 (Tp53(-); CCSPrtTA; tet0cre; floxedRb1; floxed Hes1)マウスより3種類、(Tp53(-); CCSPrtTA; tetOCre; floxedRb1; floxedhes1; tet0 mutant EGFR)より2種類の細胞を得ることが出来た。これら細胞について、Western blotting, 免疫染色、及び、免疫不全マウスの皮下に移植した組織を解析したところ、小細胞肺癌は、(Tp53(-); CCSPrtTA; tetOCre; floxedRb1; floxedhes1; tet0 mutant EGFR)マウスより1株のみ得ることが出来た。

  • Research Products

    (4 results)

All 2021 2020

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (1 results) (of which Invited: 1 results)

  • [Journal Article] Significance of Achaete-Scute Complex Homologue 1 (ASCL1) in pulmonary neuroendocrine carcinomas; RNA sequence analyses using small cell lung cancer cells and Ascl1-induced pulmonary neuroendocrine carcinoma cells.2020

    • Author(s)
      Kudoh S, Tenjin Y, Kameyama H, Ichimura T, Yamada T, Matsuo A, Kudo N, Sato Y, Ito T.
    • Journal Title

      Histochem Cell Biol

      Volume: 153 Pages: 443-456

    • DOI

      10.1007/s00418-020-01863-z

    • Peer Reviewed
  • [Journal Article] Distinct transcriptional programs of SOX2 in different types of small cell lung cancers.2020

    • Author(s)
      Tenjin Y, Matsuura K, Kudoh S, Usuki S, Yamada T, Matsuo A, Sato Y, Saito H, Fujino K, Wakimoto J, Ichimura T, Kohrogi K, Sakagami T, Niwa H, Ito T.
    • Journal Title

      Lab Invest

      Volume: 100 Pages: 1575-1588

    • DOI

      10.1038/s41374-020-00479-0

    • Peer Reviewed
  • [Journal Article] Integrated immunohistochemical study of small cell carcinoma of the lung with focusing on transcription and co-transcription factors.2020

    • Author(s)
      Sato Y, Okamoto I, Kameyama H, Kudoh S, Saito H, Sanada M, Kudo N, Wakimoto J, Fujino K, Ikematsu Y, Tanaka K, Nishikawa A, Sakaguchi R, Ito T
    • Journal Title

      Diagnositics

      Volume: 10 Pages: 946-962

    • DOI

      10.3390/diagnostics10110949

    • Peer Reviewed / Open Access
  • [Presentation] 小細胞肺癌の分子病理学:神経内分泌分化機構からの展開2021

    • Author(s)
      伊藤隆明
    • Organizer
      第110回日本病理学会総会
    • Invited

URL: 

Published: 2021-12-27  

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