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. 1977 Mar;74(3):1142–1146. doi: 10.1073/pnas.74.3.1142

Tumorigenicity of simian virus 40-transformed human cells and mouse--human hybrids in nude mice.

H Koprowski, C M Croce
PMCID: PMC430625  PMID: 191830

Abstract

Four different human cell lines transformed by simian virus 40 (SV40) were tested for their tumorigenicity in athymic nude mice. Two of these lines, W18Va2 and GM52VA, were found to be tumorigenic when inoculated at a concentration of 1 x 10(7) cells per mouse. The other two cell lines, LN-SV and GM54VA, were found to induce very small tumors only after the injection of approximately 1 x 10(8) cells per mouse. Somatic cell hybrids between either LN-SV or GM54VA SV40-transformed human cells and normal mouse peritoneal macrophages, which have retained the human chromosomes carrying the SV40 genome, were found to be much more tumorigenic than the SV40-transformed human cell parents. These experiments suggest that the genetic background in which the human chromosomes carrying the SV40 genome are present plays a role in the modulation of the expiration of malignancy.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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