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Published on: January 20, 2019
MULTIPLICATION IN VITRO OF PSEUDORABIES VIRUS IN THE TESTICLE TISSUE OF IMMUNIZED GUINEA PIGS
1Department of Animal and Plant Pathology of The Rockefeller Institute for Medical Research, Princeton, N. J.
Abstract:
Pseudorabies virus was cultivated in vitro in washed testicle tissue from immune guinea pigs, and evidence was thus procured which indicated that the testicle cells themselves had not become immune to pseudorabies. The rate of multiplication of the virus was considerably greater in control cultures with normal guinea pig testis than in cultures with immune testis. The reason for this fact may be that even by repeated washing the immune tissue could not be completely freed from fluid antibodies, and that such antibodies somewhat inhibited the multiplication of the virus.
Insights
Immune guinea pig testicle cells were cultured with pseudorabies virus. Virus multiplication was lower in immune tissue, suggesting antibodies in the tissue inhibited viral growth.
Area of Science:
- Virology
- Immunology
Background:
- Pseudorabies virus (PRV) causes significant disease in swine.
- Understanding viral-host interactions is crucial for developing effective control strategies.
Purpose of the Study:
- To investigate the immune status of guinea pig testicle cells against pseudorabies virus in vitro.
- To determine the effect of immune tissue on PRV replication.
Main Methods:
- Culturing washed testicle tissue from immune and normal guinea pigs in vitro.
- Inoculating tissue cultures with pseudorabies virus.
- Measuring viral multiplication rates.
Main Results:
- Pseudorabies virus replicated less efficiently in immune guinea pig testicle tissue compared to normal tissue.
- Testicle cells themselves did not appear to be immune.
- Inhibition of viral multiplication is likely due to residual fluid antibodies in the immune tissue.
Conclusions:
- Guinea pig testicle cells do not develop intrinsic immunity to pseudorabies virus.
- Residual antibodies in immune tissue can inhibit viral replication in vitro.
- Further research is needed to understand the role of tissue-bound antibodies in viral pathogenesis.
