A patient-like orthotopic implantation nude mouse model of highly metastatic human ovarian cancer

Kazushige Kiguchi, Tetsuro Kubota, Daisuke Aoki, Yashuiro Udagawa, Shizuka Yamanouchi, Masahiko Saga, Akira Amemiya, Fang Xian Sun, Shiro Nozawa, A. R. Moossa, Robert M. Hoffman

研究成果: Article査読

46 被引用数 (Scopus)

抄録

Clinically relevant animal models of human cancer are important for studies of cancer biology, invasion and metastasis, and for investigating new forms of prognostic diagnosis and therapy. An ovarian tumor line (RMG-1: human clear cell carcinoma of the ovary) previously grown subcutaneously was implanted orthotopically as intact tissue into the ovarian capsule of 22 nude mice. The tumors showed progressive growth at the orthotopic site in all animals. Tumor-associated serum galactosyltransferase (GAT) tended to be positive in all nude -mice. The tumors invaded or metastasized to the contralateral ovary, retroperitoneum, mesentery and peritoneum, and omentum, and metastasized to the subcutaneous tissue, lymph nodes and distant organs including the liver, kidney, pancreas, and diaphragm. In striking contrast, subcutaneous transplantation of this tumor resulted in growth in only 2 of 5 animals with local lymph node and kidney involvement but no retroperitoneal or peritoneal involvement. These findings suggest that orthotopic implantation provides a suitable micro-environment in which ovarian cancer can express its intrinsic clinically-relevant properties. This approach is relevant to the clinical features of ovarian cancer and is thought to be a useful model for studies of therapy for this cancer.

本文言語English
ページ(範囲)751-756
ページ数6
ジャーナルClinical and Experimental Metastasis
16
8
DOI
出版ステータスPublished - 1998

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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