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针对人T细胞克隆受体的单克隆抗体的抗原样效应。

Antigen-like effects of monoclonal antibodies directed at receptors on human T cell clones.

作者信息

Meuer S C, Hodgdon J C, Hussey R E, Protentis J P, Schlossman S F, Reinherz E L

出版信息

J Exp Med. 1983 Sep 1;158(3):988-93. doi: 10.1084/jem.158.3.988.

Abstract

Recent studies suggested that the clonally unique Ti epitopes defined by non-cross-reactive monoclonal antibodies might represent the variable regions of the antigen receptor. Here we determine whether such anti-Ti antibodies could trigger clonal T cell activation. Anticlonotypic monoclonal antibodies to the 49/43-kdalton heterodimer of a given clone or antibodies to the 20/25-kdalton membrane associated monomorphic T3 molecule selectively induce proliferation and IL-2 secretion when linked to a solid support. In contrast, anti-T4 and anti-T8 antibodies under the same conditions have no effect. In conclusion, these results imply that anticlonotypic antibody functions in a fashion analogous to antigen and further support the notion that the T3-Ti molecular complex represents the antigen receptor on human T lymphocytes.

摘要

最近的研究表明,由非交叉反应性单克隆抗体所界定的克隆独特性Ti表位可能代表抗原受体的可变区。在此我们确定此类抗Ti抗体是否能够触发克隆性T细胞激活。针对给定克隆的49/43-kdalton异二聚体的抗克隆型单克隆抗体或针对20/25-kdalton膜相关单态性T3分子的抗体,当与固相载体连接时可选择性地诱导增殖和白细胞介素-2分泌。相比之下,相同条件下的抗T4和抗T8抗体则无作用。总之,这些结果表明抗克隆型抗体的作用方式类似于抗原,并进一步支持了T3-Ti分子复合物代表人类T淋巴细胞上的抗原受体这一观点。

相似文献

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The human T-cell receptor.人类T细胞受体。
J Clin Immunol. 1985 May;5(3):141-57. doi: 10.1007/BF00915505.

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