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  • Title: Antigenicity of carcinogen and viral induced sarcomas in inbred and random bred guinea pigs.
    Author: Forni G, Rhim JS, Pickeral S, Shevach EM, Green I.
    Journal: J Immunol; 1975 Jul; 115(1):204-10. PubMed ID: 50348.
    Abstract:
    A tumor specific transplantation antigen (TSTA) has been detected in a methylcholanthrene (MCA) induced guinea pig tumor. It was possible to induce resistance to rechallenge with the tumor by immunization with irradiated cells in CFA. In contrast, the same technique failed to detect TSTA in two viral (Kirsten strain mouse sarcoma virus, Ki-MSV) induced guinea pig tumors; these results are similar to observations made with mouse Ki-MSV-induced tumors. Transplantation studies with these tumors in both inbred and random-bred guinea pigs showed a complexity of growth and rejection patterns. The B alloantigen, a major serologically defined antigen of the guinea pig histocompatibility complex, seemed to play a central role in acting as a guniea pig transplantation antigen. In all cases studied, the absence of B antigens in the recipient led to tumor rejection and anti-B antibody protection.
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