Abstract
Highly sensitive and specific radioimmunoassays are described for quantitation of the intraspecies determinants of several mammalian C-type viral group-specific (gs) antigens. An interspecies (gs-3) immunoassay has been developed which has both the broad reactivity and great sensitivity necessary for detection of C-type viruses where intraspecies gs assays are not available. By using these immunoassays, the expression of endogenous virus-specified gs antigens in mammalian cells of different species has been studied. Whereas mouse gs antigen was clearly detectable in tissue culture cells of several mouse strains, the respective gs antigens of rat, cat, Chinese hamster, woolly monkey, and gibbon ape were not detectable in cells of those species, using assays of comparable sensitivity. Thus, differences exist in the level of endogenous virus expression in cells of different mammalian species.
MeSH Terms
Animals
Antigens, Viral/analysis
Cats
Cell Line
Cells, Cultured
Chromatography, Ion Exchange
Cricetinae
Culture Techniques
Electrophoresis, Polyacrylamide Gel
Epitopes
Haplorhini
Hominidae
Idoxuridine/pharmacology
Iodine Radioisotopes
Isoelectric Focusing
Leukemia Virus, Feline/immunology
Leukemia Virus, Murine/immunology
Mice
RNA Viruses/immunology
Radioimmunoassay
Rats
Rauscher Virus/immunology
Retroviridae/immunology
Species Specificity
Chemicals
Antigens, Viral
Epitopes
Iodine Radioisotopes
Idoxuridine
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Stephenson J R
Aaronson S A
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