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. 1980 Jan;33(1):123–128. doi: 10.1128/jvi.33.1.123-128.1980

C3H/HeN mammary tumor-bearing mice develop type-specific neutralizing antibodies and group-specific precipitating antibodies for the mouse mammary tumor virus.

R Massey, L O Arthur, C W Long, G Schochetman
PMCID: PMC288530  PMID: 6154146

Abstract

The development of mouse mammary tumor virus (MMTV)-neutralizing antibodies in various strains of mice was measured by their ability to neutralize the focus-forming capacity of a Kirsten sarcoma virus (C3H MMTV) pseudotype containing the MMTV envelope glycoprotein gp52. C3H/HeN, but not GR/N and RIII, mammary tumor-bearing mice were found to develop neutralizing antibodies to this pseudotype. In addition, non-tumor-bearing C3H/HeN, GR/N, RIII, NIH Swiss, C57BL/6, and BALB/c mice and 13 feral mice were also negative for neutralizing antibodies. The neutralization was immunoglobulin G mediated, and the antibodies of C3H/HeN mammary tumor-bearing mice were type specific and capable of distinguishing C3H and GR/N MMTVs from RIII and C3H/HeNf MMTVs. Precipitating antibodies were detected in sera from RIII and GR/N tumor-bearing mice, GR/N non-tumor-bearing mice, and six of the feral mice, although these same sera did not neutralize the Kirsten sarcoma virus (C3H MMTV) pseudotype. The results of this study and of a previous study demonstrate that C3H/HeN mammary tumor-bearing mice develop three functionally distinct antibody populations: (i) group-specific virus-precipitating antibodies; (ii) type-specific virus-neutralizing antibodies; and (iii) type-specific cytotoxic antibodies.

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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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