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. 1986 Oct;6(10):3545–3549. doi: 10.1128/mcb.6.10.3545

Coinfection with viruses carrying the v-Ha-ras and v-myc oncogenes leads to growth factor independence by an indirect mechanism.

M Vogt, J Lesley, J Bogenberger, S Volkman, M Haas
PMCID: PMC367105  PMID: 3540594

Abstract

The concomitant expression of certain oncogenes can transform normal diploid rodent cells into transplantable tumorigenic cells. The mechanism by which these oncogenes collaborate is unclear. Recent findings (M. Oshimura, T. M. Gilmer, and J. C. Barrett, Nature [London] 316:636-639, 1985) raise the possibility that karyotypic changes, including monosomy for chromosome 15, are required to induce tumorigenicity in Syrian hamster embryo cells transfected in vitro with v-Ha-ras and v-myc DNAs. We studied the effect of the oncogenes v-Ha-ras and v-myc, introduced by viral infection, on murine hematopoietic cells. The induction of growth factor independence by the two oncogenes was used as an in vitro correlate of tumorigenicity. After a period of reduced growth rate reminiscent of the growth rate of cells in crisis, the doubly infected cells became growth factor independent. These cells showed a great variability in their karyotypes.

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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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