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题目:: Immunoregulation by T cells. I. Characterization of the IEk-specific Lbd self-reactive T cell clone that helps, suppresses and contrasupresses B cell responses.
作者:: Quintáns(J),Suzuki(H),Sosman(J A),Shah(P D)
状态:: 发布时间1986-04-11 , 更新时间 2007-11-14
期刊:: J Immunol
摘要:: This paper describes an L3T4+, Lyt-2- cloned T cell line of CBA/N origin that is specific for IEk-encoded products. Splenic dendritic cells are the predominant stimulatory populations for Lbd cells, being approximately 100 times more effective than large activated B cells. Small B cells and T cells are nonstimulatory. Lbd cells help large B cells to make polyclonal antibody responses, but are unable to activate small B cells and to replace antigen-specific helper T cells in T cell-dependent responses to phosphorylcholine or sheep red blood cells. In the presence of antigen-specific helper T cells, Lbd can amplify, suppress, or contrasuppress T cell function, depending on the type and relative ratios of antigen-reactive cells. We explain our findings as a consequence of the self reactivity among helper T cells.
语言:: eng
DOI:

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