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The Journal of Immunology, Vol 131, Issue 3 1167-1172, Copyright © 1983 by American Association of Immunologists

ARTICLES

Immunoregulatory human T lymphocytes triggered as a consequence of viral infection: clonal analysis of helper, suppressor inducer and suppressor effector cell populations

SC Meuer, DA Cooper, JC Hodgdon, RE Hussey, C Morimoto, SF Schlossman and EL Reinherz

The regulatory functions of a series of human T cell clones specific for an autologous Epstein-Barr virus transformed B lymphoblastoid cell line were examined. Two T4+ T cell clones, termed AT4II and AT4IV, and one T8+ clone, AT8III, were maintained in culture for greater than or equal to 9 months and were characterized in detail. Both T4+ clones provided helper function for autologous B cell immunoglobulin production when added to unstimulated peripheral blood mononuclear cells. In addition, these same clones produced soluble inducer factors after specific antigenic stimulation. However, when AT4II, AT4IV and their subclones were tested on pokeweed mitogen stimulated peripheral blood mononuclear cells, it was found that AT4IV provided help for immunoglobulin production whereas AT4II cells were strongly suppressive. This suppression by AT4II was indirect and required the presence of fresh, autologous, unirradiated T8+ cells. In contrast, the T8+ AT8III clone markedly inhibited Ig production by autologous B cells in the absence of any additional T8+ cells from peripheral blood and produced a soluble suppressor factor upon specific antigenic triggering. Thus, after stimulation with autologous Epstein-Barr virus transformed cells, at least three discrete regulatory human T cell populations can be defined at the clonal level: helper, inducer of suppression and suppressor effector clones.


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S. Meuer, D. Cooper, J. Hodgdon, R. Hussey, K. Fitzgerald, S. Schlossman, and E. Reinherz
Identification of the receptor for antigen and major histocompatibility complex on human inducer T lymphocytes
Science, December 16, 1983; 222(4629): 1239 - 1242.
[Abstract] [PDF]


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