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. 1989 Aug;86(15):5713–5717. doi: 10.1073/pnas.86.15.5713

Constitutive expression of c-myc oncogene confers hormone independence and enhanced growth-factor responsiveness on cells transformed by human papilloma virus type 16.

T Crook 1, N Almond 1, A Murray 1, M Stanley 1, L Crawford 1
PMCID: PMC297700  PMID: 2548186

Abstract

The effect of constitutive expression of the c-myc oncogene on the biological properties of cells transformed or immortalized by human papilloma virus type 16 (HPV16) was studied. Whereas transfection of HPV16 alone into primary baby mouse kidney (BMK) cells failed to generate any immortalized cell lines unless the tumor promoter phorbol 12-myristate 13-acetate was present, cotransfection of HPV16 with a plasmid that constitutively expresses murine c-myc (pSVc-myc-1) generated numerous rapidly growing colonies of cells. Cell lines transformed by HPV16 and pSVc-myc-1 did not require phorbol ester or steroid hormones for growth and were tumorigenic in syngeneic immunocompetent mice. Transfection of pSVc-myc-1 into established cell lines transformed by HPV16 and the v-fos oncogene increased the growth rate and saturation density of these lines severalfold, allowed growth in low-serum medium, and abolished the requirement of these cell lines for glucocorticoids or progestogens. Transfection of the EJ-ras oncogene into these lines did not significantly affect any of these properties.

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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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