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Notch pathway as candidate therapeutic target in Her2/Neu/ErbB2 receptor-negative breast tumors.
https://repo.qst.go.jp/records/45854
https://repo.qst.go.jp/records/458549b575c75-32ec-444d-971a-7a7429dc87a0
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-07-12 | |||||
タイトル | ||||||
タイトル | Notch pathway as candidate therapeutic target in Her2/Neu/ErbB2 receptor-negative breast tumors. | |||||
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 |
Hirose, Hajime
× Hirose, Hajime× Ishii, Hideshi× Mimori, Koshi× Saito, Toshiyuki× Sekimoto, Mitsugu× Doki, Yuichiro× Mori, Masaki× et.al× 石井 秀始× 齋藤 俊行 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Whereas the Her2/neu/erbB2 receptor (Her2) could be a molecular target of the receptor-positive breast cancer, the therapeutic targets of Her2-negative cancer largely remain to be established. The expression of Her2 was evaluated in 48 primary breast cancer tumors by immunohistochemistry. The identified Notch pathway was studied in genotoxin-dependent suppression of breast cancer-initiating cell growth. Immunohistochemical assessment of Her2-negative tumors revealed significant association with overexpression of Notch1 and Notch3. Knockdown of Notch pathway resulted in sensitization of breast cancer cells to deionizing radiation, leading to cell death; the effect was more significant in stem marker CD44+ than in CD44- cells, and more profound in the Her2-negative than in positive cancer cells. The present study indicates that inhibition of Notch signaling could antagonize survival signal of Her2-negative breast cancer-initiating cells carrying genomic damage, and suggests that targeted suppression of the Notch pathway may give the rationale for sensitizing Her2-negative cancer-initiating cells to a therapeutic approach. | |||||
書誌情報 |
Oncology Reports 巻 23, 号 1, p. 35-43, 発行日 2010-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1021-335X |