Summary
We have activated a thymus-derived fibroblast cell line from 129/J mice for production of noninfectious type C viral particles. Retroviral particles were produced continuously after cells were treated with ethylnitrosourea, a powerful mutagen and carcinogen. Antigenic analysis of the major structural protein of these particles showed a close relationship with an infectious virus fromMus caroli, a potential progenitor of the horizontally transmitted primate type C viruses. This finding demonstrates the potential of cells from inbred strains ofMus musculus to express upon mutagenesis antigens of theMus caroli class of endogenous MuLV.
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Rapp, U.R., Barbacid, M. Activation of a type C virus particle in cells from the inbred mouse strain 129/J: Antigenic relationship with the horizontally transmitted type C viruses of primates. Archives of Virology 76, 373–379 (1983). https://doi.org/10.1007/BF01311205
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DOI: https://doi.org/10.1007/BF01311205