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对半抗原4-羟基-3-硝基苯乙酰的特异性T细胞应答。IX. 体外针对空斑形成细胞应答的独特型特异性效应期抑制细胞的特性

Hapten-specific T cell responses to 4-hydroxy-3-nitrophenyl acetyl. IX. Characterization of Idiotype-specific effector-phase suppressor cells on plaque-forming cell responses in vitro.

作者信息

Sherr D H, Dorf M E

出版信息

J Exp Med. 1981 Jun 1;153(6):1445-56. doi: 10.1084/jem.153.6.1445.

Abstract

The ability of T suppressor cells, induced by the intravenous injection of 4-hydroxy-3-nitrophenyl acetyl (NP)-modified syngeneic spleen cells, to affect an ongoing B cell response was studied in vitro. It was found that the expression of NPb idiotype-positive B cells could be selectively inhibited by the addition of antigen-induced suppressor cells in the last 24 h of the in vitro culture. This effector-phase suppression of B cell responses was antigen specific and mediated by an Lyt 1-, Lyt 2+, idiotype-binding, T cell population whose suppressive function was restricted by genes linked to the Igh locus.

摘要

通过静脉注射4-羟基-3-硝基苯基乙酰(NP)修饰的同基因脾细胞诱导的抑制性T细胞影响正在进行的B细胞反应的能力在体外进行了研究。结果发现,在体外培养的最后24小时加入抗原诱导的抑制细胞可选择性抑制NPb独特型阳性B细胞的表达。B细胞反应的这种效应期抑制是抗原特异性的,由Lyt 1-、Lyt 2+、独特型结合的T细胞群体介导,其抑制功能受与Igh基因座连锁的基因限制。

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