Abstract
GEERING et al.1 reported that feline leukaemia viruses shared one of the group specific antigens of the murine leukaemia viruses, gs-3, as detected by immunoprecipitation in agar gels with broadly reactive rat antisera to the group specific antigens of the murine leukaemia viruses (MuLV). Subsequently, they found that this shared group specific antigen was also present in the hamster and rat C-type viruses2. Work by Schafer3 and our own immunodiffusion4 and complement fixation studies have confirmed the immunological reactivity between the feline leukaemia viral antigens and broad-reacting murine leukaemia group specific antisera. We have now applied this interspecies immunological reaction between the murine and feline C-type viruses to quantitative studies of the feline leukaemia viruses. Broad-reactive murine leukaemia-sarcoma group specific antisera prepared in rats by the induction of murine sarcoma virus (MSV) tumours5, 6 were found to be as useful and nearly as sensitive as a feline leukaemia-sarcoma specific, group specific antiserum for the in vitro detection and assay of the noncytopathogenic feline leukaemia virus (FeLV).
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References
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SARMA, P., HUEBNER, R., TURNER, H. et al. Feline Leukaemia Viral Antigens and Antisera to the Group Specific Antigens of the Murine Leukaemia Viruses. Nature New Biology 230, 50–52 (1971). https://doi.org/10.1038/newbio230050a0
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DOI: https://doi.org/10.1038/newbio230050a0