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  • Title: T- and B-cell subpopulations in infectious mononucleosis.
    Author: Papamichail M, Sheldon PJ, Holborow EJ.
    Journal: Clin Exp Immunol; 1974 Sep; 18(1):1-11. PubMed ID: 4549622.
    Abstract:
    Mononuclear cells separated from the blood in fourteen cases of infectious mononucleosis at various intervals from the onset were tested for the presence of surface immunoglobulin and for ability to form spontaneous rosettes with washed sheep red blood cells. The mononucleosis during the acute phase of the illness consisted largely of a T lymphocytosis. The absolute count of T lymphocytes returned to the normal range approximately 2 months after the onset of the illness. B cells (bearing surface immunoglobulin) were only slightly increased in the acute phase. In four cases appreciable numbers of fluorescent rosetting cells were also present, and investigation suggested that these were T cells coated with anti-T-cell autoantibody. During the first 2 weeks of the illness responsiveness to phytohaemagglutinin was severely depressed, but thereafter returned towards normal. It is thought likely that in infectious mononucleosis the vast majority of atypical mononuclear cells are T cells proliferating in response to E-B virus-infected B cells, and cytotoxic towards them.
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