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肺腺癌における新規イレッサ耐性獲得メカニズムの解明
https://doi.org/10.24517/00059144
https://doi.org/10.24517/0005914472b57d77-3661-4f10-bc0c-0912da7740f5
名前 / ファイル | ライセンス | アクション |
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CA-PR-NAKATA-A-kaken 2015-4p.pdf (163.1 kB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2020-11-02 | |||||
タイトル | ||||||
タイトル | 肺腺癌における新規イレッサ耐性獲得メカニズムの解明 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Novel molecular mechanisms of acquired resistance to gefitinib in lung adenocarcinoma | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
ID登録 | ||||||
ID登録 | 10.24517/00059144 | |||||
ID登録タイプ | JaLC | |||||
著者 |
中田, 飛鳥
× 中田, 飛鳥 |
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著者別表示 |
Nakata, Asuka
× Nakata, Asuka |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学がん進展制御研究所 | |||||
書誌情報 |
平成26(2014)年度 科学研究費補助金 若手研究(B) 研究成果報告書 en : 2014 Fiscal Year Final Research Report 巻 2013-04-01 – 2015-03-31, p. 4p., 発行日 2015-05-21 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | イレッサ(ゲフィチニブ)はEGFRに変異をもつ肺腺癌の患者に対して奏功率が非常に高いが、数年以内に再発してしまうことが深刻な問題となっている。我々はイレッサ耐性のメカニズムを解明するために、肺腺癌由来PC9細胞からイレッサ耐性株PC9M2樹立した。このPC9M2細胞を解析した結果、βカテニンシグナルが亢進していることが分かり、βカテニンの活性阻害によってPC9M2株にイレッサ感受性が回復することを証明した。さらに肺腺癌患者の組織においても、βカテニンの活性が高い患者ではイレッサの感受性が低いことが明らかになり、βカテニンの活性がイレッサの感受性や獲得耐性に関与する可能性が示唆された。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Although Iressa (gefitinib) were greatly effective in lung adenocarcinoma patients harboring EGFR mutations, these patients ultimately have acquired resistance to gefitinib. To explore novel molecular mechanisms for gefitinib-resistance, we established the gefitinib-resistant PC9M2 cells that were spontaneously derived from gefitinib-sensitive PC9. Microarray analysis revealed that β-catenin-related genes were upregulated in PC9M2 cells compared with PC9 cells. We next demonstrated that the downregulation of β-catenin partially restored the sensitivity to gefitinib in PC9M2 cells. Using the tissues from lung cancer patients harbored EGFR mutation, we showed that activation of β-catenin was related with gefitinib sensitivity in patient’s samples, suggesting that enhanced β-catenin activation is associated with primary and acquired resistance to gefitinib. Targeting β-catenin pathway may be useful for overcoming the resistance to gefitinib. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 研究課題/領域番号:25830111, 研究期間(年度):2013-04-01 – 2015-03-31 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 出典:研究課題「肺腺癌における新規イレッサ耐性獲得メカニズムの解明」課題番号25830111 (KAKEN:科学研究費助成事業データベース(国立情報学研究所)) (https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-25830111/25830111seika/)を加工して作成 |
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著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/ja/search/?kw=70597921 | |||||
関連名称 | https://kaken.nii.ac.jp/ja/search/?kw=70597921 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-25830111/ | |||||
関連名称 | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-25830111/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-25830111/25830111seika/ | |||||
関連名称 | https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-25830111/25830111seika/ |