Immunodepression by Rowson-Parr Virus in Mice. I. Growth Curves of Rowson-Parr Virus and Immunological Relationships with Friend Virus
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چکیده
منابع مشابه
Immunodepression by Rowson-Parr virus in mice: effect of Rowson-Parr virus and Friend leukemia complex infections on background antibody-forming cells to various erythrocytes.
The numbers of background antibody-forming cells (BPFC) toward erythrocytes of various species present in the lymphoid organs of unimmunized susceptible BALB/c and resistant C57BL/6 mice were investigated at various times after infection with Friend leukemia complex (FLC) or Rowson-Parr virus (RPV). Both virus preparations induced an increase of BPFC numbers in both animal strains, but the rate...
متن کاملEffect of Friend leukemia virus and Rowson-Parr virus on immunological maturation of mice.
The effect of neonatal infection with Friend virus (FV) and Rowson-Parr virus (RPV) on the maturation of the capacity to respond to sheep red cells, as measured by the numbers of hemolytic plaque-forming cells in the spleen, was investigated in BALB/c mice. Both viruses affected immunological maturation but there were significant differences between their effects. The development with age of th...
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Background and Objective: Canine distemper (CD) is a highly transmissible serious disease of carnivores. Distemper virus has immunosuppression effects, which, in turn, could lead to opportunistic infections. The present study was performed to detect CDV by the genomic and immunological methods and investigate its co- infection with canine parainfluenza virus type 2 (CPiV-2). Materials and Meth...
متن کاملEffect of cyclophosphamide on Friend virus leukemogenesis in virus-sensitive and virus-resistant mice.
The influence of cyclophosphamide (CY) on Friend virus leukemogenesis was studied in SJL/J, C57BL/10J, and C57BL/10J X SJL/J F1 (hereafter called B10SJF1) mice. All three differ in their susceptibility to the viral oncogenic effect. Immunosuppressive doses of CY, which by themselves produced no cancer, were followed 2 days later by injection of Friend leukemia virus. The virus doses were the sa...
متن کاملResistance of mice to infection with Friend disease virus after subcutaneous injection of Friend virus and Friend spleen cells.
Swiss mice injected subcutaneously with suspensions of spleen cells or an extract of spleens from mice infected with Friend virus develop resistance to subsequent intravenous inoculation of Friend virus. A single injection of either Friend virus or Friend cells induces resistance. Immunized mice display resistance when challenged 6 months after immunization and survive for at least 20 weeks aft...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 1973
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.7.2.152-159.1973