A novel "patient-like" treatment model of human pancreatic cancer constructed using orthotopic transplantation of histologically intact human tumor tissue in nude mice

Toshiharu Furukawa, Tetsuro Kubota, Masahiko Watanabe, Masaki Kitajima, Robert M. Hoffman

研究成果: Article

99 引用 (Scopus)

抄録

Pancreatic cancer is a disease with essentially no effective treatment. To increase the potential for discovering effective treatment, we have developed a new treatment model whereby a human pancreatic cancer line, PANC-4, was orthotopically transplanted to the pancreas of nude mice as histologically intact tumor tissue. The tumor grew with subsequent invasive local tumor growth and liver and peritoneal metastases. The antitumor activity of 5-fluorouracil (5-FU) and mitomycin C (MMC) against PANC-4 was initially determined in the in vitro collagen-sponge-gel supported histoculture drug-response assay with the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide end point. Inhibition rates were 5.6% for 5-FU and 39.4% for MMC indicating higher efficacy of MMC than 5-FU against PANC-4. When the antitumor activities of 5-FU and MMC against PANC-4 were determined in vivo using the nude mouse orthotopic transplant treatment model, slight local tumor growth inhibition with equivalent incidence of metastases to the liver and the peritoneum as the control were observed in the mice treated with 5-FU, while those treated with MMC had considerably reduced local tumor growth without liver and peritoneal metastases. Thus the histoculture drug-response assay in combination with the orthotopic transplant metastatic models provides for the first time a paradigm for evaluation of agents which may be effective against not only locally growing human pancreatic cancer but resulting metastases as well.

元の言語English
ページ(範囲)3070-3072
ページ数3
ジャーナルCancer Research
53
発行部数13
出版物ステータスPublished - 1993 7 1

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Mitomycin
Pancreatic Neoplasms
Nude Mice
Fluorouracil
Transplantation
Neoplasm Metastasis
Neoplasms
Liver
Growth
Transplants
Therapeutics
Peritoneum
Porifera
Pharmaceutical Preparations
Pancreas
Collagen
Gels
Incidence

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

これを引用

A novel "patient-like" treatment model of human pancreatic cancer constructed using orthotopic transplantation of histologically intact human tumor tissue in nude mice. / Furukawa, Toshiharu; Kubota, Tetsuro; Watanabe, Masahiko; Kitajima, Masaki; Hoffman, Robert M.

:: Cancer Research, 巻 53, 番号 13, 01.07.1993, p. 3070-3072.

研究成果: Article

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