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  • Title: Mobility of lymphocyte surface membrane concanavalin A receptors of normal and feline leukemia virus-infected viremic felines.
    Author: Dunlap JE, Nichols WS, Hebebrand LC, Mathes LE, Olsen RG.
    Journal: Cancer Res; 1979 Mar; 39(3):956-8. PubMed ID: 218726.
    Abstract:
    The virus-associated depression of concanavalin A mitogenesis which accompanies feline leukemia virus-induced cat lymphoma was investigated by comparing lymphocyte surface receptor mobility of normal cats to that of viremic diseased animals. The mechanics of feline lymphocyte receptor mobility were studied using fluorescein-conjugated concanavalin A to quantitate lymphocyte capping. The results of a study of 21 disease-free animals showed that cat lymphocytes undergo appreciable concanavalin A capping, with a mean capping rate of 17% under conditions developed in this study. In contrast, morphologically normal peripheral blood lymphocytes of six feline leukemia virus-infected viremic cats, with or without lymphoma, exhibited a mean capping of only 7%, significantly less than that of the control animals (p less than 0.005). These findings suggest that a membrane-related lymphocyte deficiency accompanies the development of virus-induced lymphoma in the cat.
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