Antitumor activity of doxorubicin in combination with docetaxel against human breast cancer xenografts

Tomohisa Egawa, Tetsuro Kubota, Akihiko Suto, Yoshihide Otani, Toshiharu Furukawa, Yoshirou Saikawa, Masahiko Watanabe, Koichiro Kumai, Masaki Kitajima

研究成果: Article

3 引用 (Scopus)

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In this study we assessed the inyivo antitumor activity of combined docetaxel (DOCE) and doxorubicin (DXR) treatment using 2 human breast carcinoma cell xenografts (R-27 and MX-1) in the nude mouse model. The transplanted tumors were allowed to reach exponential growth, whereupon 10 or 40 mg DOCE per kg alone (ip), 8 mg DXR per kg alone (iv), or 10 mg/kg DOCE (ip) and 8 mg/kg of DXR (iv), in the sequence of DOCE followed by DXR, were administered. The in vivo antitumor activity of combined DOCE and DXR was synergistic against R-27 and additive against MX-1. P-gfycoprotein (P-gp) was detected immunohistochemically, and was highly expressed in R-27, but not in MX-1. In conclusion, DOCE may increase the antitumor activity of DXR against P-gp-positive breast cancer xenografts, such that the DOCE and DXR combination may be a useful treatment in clinical breast cancer.

元の言語English
ページ(範囲)23-28
ページ数6
ジャーナルIn Vivo
17
発行部数1
出版物ステータスPublished - 2003 1 1

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology

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    Egawa, T., Kubota, T., Suto, A., Otani, Y., Furukawa, T., Saikawa, Y., Watanabe, M., Kumai, K., & Kitajima, M. (2003). Antitumor activity of doxorubicin in combination with docetaxel against human breast cancer xenografts. In Vivo, 17(1), 23-28.