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题目:: HgCl2-induced perturbation of the T cell network in experimental allergic encephalomyelitis. II. In vivo demonstration of the role of T suppressor and contrasuppressor cells.
作者:: Pelletier(L),Rossert(J),Pasquier(R),Villarroya(H),Oriol(R),Druet(P)
状态:: 发布时间1991-10-22 , 更新时间 2013-11-21
期刊:: Cell Immunol
摘要:: In the companion paper (J. Rossert et al., Cell. Immunol. 137, 1991), we showed by using limiting dilution analysis that Lewis (LEW) rats injected with HgCl2 and immunized with myelin (LEWHg/MYE) exhibit anti-basic protein CD4+ T helper cells (Th), at least 10-fold more frequent CD8+ T suppressor cells (Ts), and T contrasuppressor cells (Tcs). These Tcs cells were shown to be CD4+ T cells adhering to Vicia villosa (VV) lectin and allowed Th cells to proliferate despite the presence of Ts cells. The CD8+ Ts cells might be responsible for the protection from experimental allergic encephalomyelitis (EAE) observed in about 70% of LEW rats injected with HgCl2. The concomitant presence of CD4+ Tcs cells might explain that 30% of the rats escaped this protection. The aim of this work is to demonstrate in vivo the roles of CD8+ Ts cells and Tcs cells in mercury-induced protection from EAE. It will be shown that LEWHg/MYE rats depleted of CD8+ cells as well as LEWHg/MYE rats transferred with VV lectin-adherent Tcs cells develop EAE. These data demonstrate that CD8+ Ts cells are responsible for HgCl2-induced protection and that Tcs cells are involved in the control of Ts cells in vivo.
语言:: eng
DOI:

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