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. 1976 Apr;13(4):1091–1097. doi: 10.1128/iai.13.4.1091-1097.1976

Genetic control of natural immunity to ecotropic mouse leukemia viruses: production of endogenous immunogen.

R C Nowinski, S L Kaehler, J Baron
PMCID: PMC420722  PMID: 179948

Abstract

Mice of the AKR and C57L strains naturally produced low titers of antibody against ecotropic murine leukemia viruses (MuLV). The F1 hybrid of these strains produced anti-MuLV antibody in higher titer than mice of either of the parental strains. Progeny of the genetic backcross C57L X (AKR X C57L)F1 segregated for the production of infectious ecotropic MuLV (according to the Akv-1 and Akv-2 loci) and for the production of antibody against MuLV. All mice that contained infectious MuLV produced anti-MuLV antibodies. Thus, the persistent production of high-titered MuLV in these mice did not result in immunological tolerance towards viral antigens. In contrast, mice that did not contain infectious MuLV could be separated into antibody-producing and -nonproducing classes. The absence of detectable antibody to MuLV in an individual mouse was invariably associated with a virus-free phenotype. Antibody against MuLV reacted primarily with p15 and gp70 proteins of the viral envelope. It was concluded that overt production of endogenous ecotropic MuLV served as a major immunogenic stimulus for the production of anti-MuLV antibody in these mice.

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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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