Immunochemotherapy prevents human colon cancer metastasis after orthotopic onplantation of histologically-intact tumor tissue in nude mice

T. Furukawa, T. Kubota, M. Watanabe, T. H. Kuo, S. Kase, Yoshirou Saikawa, H. Tanino, T. Teramoto, K. Ishibiki, M. Kitajima, R. M. Hoffman

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

A metastatic model of human colon cancer has been previously established using orthotopic onplantation of histologically intact in tissue nude mice. In this study, effects of immunochemotherapy using OK-432, 5-fluorouracil (5-FU) and mitomycin C (MMC) on Col-2-JCK, a human colon cancer xenograft, were evaluated using this model. When 5-FU and MMC were administered without OK-432, liver metastases were not reduced even at maximum tolerated doses of both drugs, although cecal tumor growth was significantly reduced. On the other hand, when combined with OK-432, both 5-FU and MMC reduced liver metastases with synergistic reduction of cecal tumor growth, demonstrating the potential of combining immunotherapy with chemotherapy against metastases.

Original languageEnglish
Pages (from-to)287-291
Number of pages5
JournalAnticancer research
Volume13
Issue number2
Publication statusPublished - 1993 Jan 1

Keywords

  • Colon cancer
  • Immunotherapy
  • Metastasis
  • Nude mice
  • Onplantation
  • Orthotopic

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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