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Immunologic havoc induced by the 60 kD Gag protein of the MAIDS defective virus
H C Morse1, R A Morawetz, N A Giese
1Laboratory of Immunopathology, NIAID, NIH, Bethesda, MD 20892, USA.
The mechanisms responsible for development of profound immunodeficiency and extensive lymphoproliferation that characterize infection of different species with retroviruses are only partially understood. In mice, it has been shown the activities of an unusual Gag protein are necessary and sufficient to induce these abnormalities in a syndrome designated mouse AIDS (MAIDS). Current studies suggest that complex, antigen-driven interactions between T cells and B cells result in polyclonal activation of both types of lymphocytes, aberrant cytokine production and late lymphomas.
The mechanisms responsible for development of profound immunodeficiency and extensive lymphoproliferation that characterize infection of different species with retroviruses are only partially understood. In mice, it has been shown the activities of an unusual Gag protein are necessary and sufficient to induce these abnormalities in a syndrome designated mouse AIDS (MAIDS). Current studies suggest that complex, antigen-driven interactions between T cells and B cells result in polyclonal activation of both types of lymphocytes, aberrant cytokine production and late lymphomas.