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  • Title: Murine mammary tumor virus seroepidemiology in BALB/cfC3H mice: correlation with tumor development.
    Author: Altrock BW, Cardiff RD, Blair PB.
    Journal: J Natl Cancer Inst; 1981 Jul; 67(1):163-8. PubMed ID: 6265680.
    Abstract:
    Serum reactivity to murine mammary tumor virus (MuMTV) was inversely related to mammary tumor risk in 8-to 22-week-old BALB/cfC3H breeding females. Mice at low tumor risk exhibited high-titered serum reactivity to MuMTV (50% end point, greater than or equal to 1:40 by radioimmunoassay) approximately 3-6 months earlier than did the mice at high tumor risk. Maternal MuMTV antibody levels were correlated with the serum anti-MuMTV reactivity of their neonatal offspring (2 wk of age). Serologic antiviral reactivity in infected mice did not change during periods of pregnancy and lactation. All infected animals had detectable serum MuMTV reactivity by 33 weeks of age. The virus-neutralizing capabilities of some of these sera were tested, Sera from some of the young, low-tumor-risk animals that had MuMTV-precipitating antibodies also had virus-neutralizing activity. Conversely, none of the sera from the high-tumor-risk animals had detectable MuMTV-neutralizing antibodies.
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