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X-ray irradiation and Rho-kinase inhibitor additively induce invasiveness of the cells of the pancreatic cancer line, MIAPaCa-2, which exhibit mesenchymal and amoeboid motility
https://repo.qst.go.jp/records/47660
https://repo.qst.go.jp/records/47660164311f4-c114-4581-89f0-ca75c23786db
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-03-15 | |||||
タイトル | ||||||
タイトル | X-ray irradiation and Rho-kinase inhibitor additively induce invasiveness of the cells of the pancreatic cancer line, MIAPaCa-2, which exhibit mesenchymal and amoeboid motility | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Fujita, Mayumi
× Fujita, Mayumi× Otsuka, Yoshimi× Yamada, Shigeru× Iwakawa, Mayumi× Imai, Takashi× 藤田 真由美× 荘司 好美× 山田 滋× 岩川 眞由美× 今井 高志 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Tumor cells can migrate and invade tissue by 2 modes of motility—mesenchymal and amoeboid. X-ray or gamma-ray irradiation increases the invasiveness of tumor cells with mesenchymal motility through the induction of matrix metalloproteinases (MMPs), and this increase is suppressed by MMP inhibitors (MMPIs). However, the effects of X-ray or gamma-ray irradiation on the invasiveness of tumor cells with amoeboid motility remain unclear. We investigated the effect of irradiation on amoeboid motility by using cells of the human pancreatic cancer line, MIAPaCa-2, which exhibit both modes of motility. The X-ray-induced invasiveness of MIAPaCa-2 cells was associated with the upregulation of MMP2 at both RNA and protein levels and was inhibited by MMPI treatment. Amoeboid–mesenchymal transition was slightly induced after irradiation. MMPI treatment caused mesenchymal–amoeboid transition without significant increase in invasiveness while ROCK inhibitor (ROCKI) stimulated amoeboid–mesenchymal transition and enhanced invasiveness under both non-irradiated and irradiated conditions. This ROCKI-induced transition was accompanied by the upregulation of MMP2 mRNA and protein. Exposure to both irradiation and ROCKI further enhanced MMP2 expression and had an additive effect on the invasiveness of MIAPaCa-2 cells. Additionally, exposure to MMPI led to significant suppression of both radiation-induced and the basal invasiveness of MIAPaCa-2 cells. This suggests that ROCKI treatment, especially with concomitant X-ray irradiation, can induce invasion of cancer cells and should be used only for certain types of cancer cells. Simultaneous use of inhibitors, ROCKI and MMPI may be effective in suppressing invasiveness under both X-ray-irradiated and non-irradiated conditions. | |||||
書誌情報 |
Cancer Science 巻 102, 号 4, p. 792-798, 発行日 2011-02 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1347-9032 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1111/j.1349-7006.2011.01852.x |