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. 1985 Jan;5(1):268–272. doi: 10.1128/mcb.5.1.268

New acceptor cell for transfected genomic DNA: oncogene transfer into a mouse mammary epithelial cell line.

N E Hynes, R Jaggi, S C Kozma, R Ball, D Muellener, N T Wetherall, B W Davis, B Groner
PMCID: PMC366704  PMID: 3982419

Abstract

A line of mouse mammary epithelial cells (NMuMG) has been characterized for its ability to be stably transfected with exogenous DNA. A transfection frequency of at least 1 cell per 1,000 was obtained with the pSV2neo plasmid. Several thousand G418-resistant NMuMG cell clones can easily be generated in cotransfection of genomic DNA and pSV2neo. The NMuMG cells were isolated from normal mammary glands and do not form malignant lesions when injected into nude mice. We have cotransfected NMuMG cells with pSV2neo and genomic DNA from the human EJ bladder carcinoma line, a cell line which contains an activated c-rasH oncogene. When a pool of 4,700 G418-resistant colonies was injected into nude mice, tumors were obtained. These tumors contain a transfected human rasH gene. Genomic DNA transfection into a line of mouse epithelial cells, in combination with the selection of stable transfectants and tumor induction in nude mice, can be used to screen human tumor DNA for the presence of activated oncogenes.

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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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