Growth and metastatic behavior of human tumor cells implanted into nude and beige nude mice

Seiji Naito, Raffaella Giavazzi, Shirley M. Walker, Kyogo Itoh, Joseph Mayo, Isaiah J. Fidler

Research output: Contribution to journalArticlepeer-review

Abstract

The growth and metastatic behavior of several human tumor lines grown in adult nude mice, nude mice pretreated with antiserum against asialo GM1 glycoprotein, and beige nude mice were studied. The cell lines were all injected s.c. and i.v. A human colon carcinoma line was also injected into the spleen, and two human renal carcinoma lines were injected into renal subcapsule. All the tumor lines grew as fast or faster in adult nude mice compared with beige nude mice. There were no discernible differences in the production of experimental lung metastasis among the three groups of mice, but human colorectal carcinoma cells and human renal carcinoma cells produced more metastases in nude mice than in beige nude mice after intrasplenic or renal subcapsule injection, respectively. In vitro cytotoxicity assays confirmed that adult nude mice had high levels of natural killer (NK) cell activity whereas nude mice pretreated with anti-asialo GM1 serum and beige nude mice did not. The in vitro NK cell activity of nude mice was demonstrable against mouse lymphoma cells but not against human leukemia cells which were sensitive to lysis by human NK cells. These results suggest that the implantation of human tumor cells into beige nude mice, which are deficient in NK cell activity does not provide an advantageous model for the study of growth and metastasis of human neoplasms.

Original languageEnglish
Pages (from-to)135-146
Number of pages12
JournalClinical & Experimental Metastasis
Volume5
Issue number2
DOIs
Publication statusPublished - Jun 1987

ASJC Scopus subject areas

  • Cancer Research

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