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  • Title: Induction of Fc epsilon-receptor bearing cells in vitro in human peripheral lymphocytes.
    Author: Yodoi J, Ishizaka K.
    Journal: J Immunol; 1980 Feb; 124(2):934-8. PubMed ID: 7356720.
    Abstract:
    Fc epsilon R-bearing lymphocytes were induced in vitro by the culture of peripheral lymphocytes from ragweed-sensitive patients with antigen E together with, or followed by, human IgE. Neither antigen E alone nor IgE alone induced Fc epsilon R(+) cells. As expected, culture of normal lymphocytes with the antigen and IgE failed to increase Fc epsilon R(+) cells. However, mixed lymphocyte cultures from two normal individuals responsed to human IgE for the induction of Fc epsilon R(+) cells. In both antigen-stimulated and mixed lymphocyte cultures, a portion of Fc epsilon R(+) cells induced in vitro were T lymphocytes. Evidence was obtained that Fc gamma R(+) cells are involved in the induction of Fc epsilon R(+) cells. Depletion of Fc gamma R(+) cells in the lymphocytes from ragweed-sensitive patients, before culture with antigen E and IgE, abolished the ability of the lymphocytes to respond to IgE for an increase in Fc epsilon R(+) cells.
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