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. 1984 Apr;50(1):100–105. doi: 10.1128/jvi.50.1.100-105.1984

Lymphotropic papovavirus transformation of hamster embryo cells.

K K Takemoto, T Kanda
PMCID: PMC255588  PMID: 6321782

Abstract

Hamster embryo cells were transformed by African green monkey lymphotropic papovavirus (LPV). The transformed cells contained intranuclear T-antigens demonstrable by fluorescent antibody staining with hamster anti-LPV serum. Analysis of uncloned and cloned lines of transformed cells for LPV sequences revealed that the viral DNA was present as free nonintegrated and integrated genomes; there were approximately 10 copies of free DNA and about one to two copies of integrated genomes per cell. The cells were highly tumorigenic when inoculated into hamsters and produced progressively growing tumors in 100% of newborn or 10-day-old hamsters that were inoculated with LPV-transformed cells. The serum from tumor-bearing hamsters reacted with LPV-transformed cells and also showed a weak reaction with simian virus 40-, BK virus-, and JC virus-transformed cells, thereby showing an antigenic relationship with the T-antigens of other primate polyomaviruses. The large T-antigen of LPV was found to be an 84,000-molecular-weight protein which was immunoprecipitated by hamster anti-LPV (antiviral) as well as by tumor serum.

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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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