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. 1977 Jan;74(1):315–318. doi: 10.1073/pnas.74.1.315

Assignment of the integration site for simian virus 40 to chromosome 17 in GM54VA, a human cell line transformed by simian virus 40.

C M Croce
PMCID: PMC393250  PMID: 189310

Abstract

GM54VA human cells transformed by simian virus 40 (SV40) were fused with peritoneal macrophages obtained from three different mouse strains. All 27 hybrid clones studied were positive for SV40 tumor antigen in 100% of their cells and contained human chromosome 17. Human chromosome 17 was the only human chromosome present in five of the hybrid clones. Fusion of GM54VA cells and either thymidine kinase (EC 2.7.1.75)-deficient mouse or Chinese hamster fibroblasts resulted in the growth in hypoxanthine-aminopterin-thymidine medium of hybrid clones positive and negative for SV40 tumor antigen. Counterselection of the hybrid clones positive for tumor antigen in medium containing 5-bromodeoxyuridine resulted in the growth of hybrid cells that were negative for tumor antigen. These experiments indicate that negative for tumor antigen. These experiments indicate that SV40 is integrated in only one of the two parental human chromosomes 17. Because the genome of SV40 has been assigned to human chromosome 7 in two other SV40-transformed human cell lines, at least two different integration sites for SV40 would seem to be present in human cells: one located in human chromosome 7 and the other located in human chromosome 17.

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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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