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Production and characteristics of seven rat embryo cell lines transformed by adenovirus type 5 and its DNA

Zalmanzon, E.S.; Frolova, E.I.; Rikhter, B.; Mikhaĭlova, L.N.; Turetskaia, R.L.

Molekuliarnaia Biologiia 13(2): 292-308

1979

ISSN/ISBN: 0026-8984
PMID: 571524
Document Number: 139862
Seven cell lines transformed by adenovirus type 5 and its DNA were obtained. It was shown that different cell lines contain the fragments of viral DNA which differ in length and number of copies per DNA of diploid cells. They contain from the left end 6% of the viral DNA to complete or almost complete viral genome. All studied cell lines were sensitive to reinfection with adenovirus type 5. They produced no virus being cocultivated with cell sensitive to the virus. No cell line was able to induce tumors even in immunosuppressed newborn rats. All cell lines formed colonies in soft agar. The level of virus-specific antigens was higher in cells that contained a large part of the viral genome. The methods used did not allow to correlate the biological properties of the transformed cells with the length and the number of copies of the integrated part of the viral genome.

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