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抗原和受体驱动的调节机制。VIII. 抗独特型二级T抑制细胞与交叉反应性独特型阳性、对氨基苯砷酸致敏的T细胞靶标的相互作用导致对独特型阴性、对氨基苯砷酸特异性T细胞的抑制。

Antigen- and receptor-driven regulatory mechanisms. VIII. Suppression of idiotype-negative, p-azobenzenearsonate-specific T cells results from the interaction of an anti-idiotypic second-order T suppressor cell with a cross-reactive-idiotype-positive, p-azobenzenearsonate-primed T cell target.

作者信息

Sy M S, Nisonoff A, Germain R N, Benacerraf B, Greene M I

出版信息

J Exp Med. 1981 Jun 1;153(6):1415-25. doi: 10.1084/jem.153.6.1415.

Abstract

The suppressor pathway that regulates the T cell response to p-azobenzenearsonate (ABA)-coupled cells has been studied. It has been found that the ability of anti-idiotypic second-order T suppressor cells (Ts2) to inhibit T cell-dependent delayed-type hypersensitivity (DTH) responses depended upon the presence of cross-reactive-idiotype (CRI)-bearing T cells present in ABA-primed mice. This suppressor T cell subset, termed Ts2, so exists with CRI-negative T cells that mediate DTH in vivo. It appears that antigen-activated CRI+ Ts3 require signals from the anti-CRI Ts2 subset to suppress DTH reactions in an idiotype-nonspecific manner. The relevance of these observations to a comprehensive scheme of T and B cell regulation is discussed.

摘要

已对调节T细胞对对氨基苯砷酸(ABA)偶联细胞反应的抑制途径进行了研究。已发现抗独特型二级T抑制细胞(Ts2)抑制T细胞依赖性迟发型超敏反应(DTH)的能力取决于ABA致敏小鼠中存在的携带交叉反应性独特型(CRI)的T细胞。这个被称为Ts2的抑制性T细胞亚群与体内介导DTH的CRI阴性T细胞共存。似乎抗原激活的CRI+ Ts3需要来自抗CRI Ts2亚群的信号,以独特型非特异性方式抑制DTH反应。讨论了这些观察结果与T和B细胞调节综合方案的相关性。

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