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针对H-2复合体K和D位点产物的同种抗血清对三硝基苯基衍生化靶细胞的细胞介导细胞溶解作用的抑制。

Inhibition of cell-mediated cytolysis of trinitrophenyl-derivatized target cells by alloantisera directed to the products of the K and D loci of the H-2 complex.

作者信息

Burakoff S J, Germain R N, Dorf M E, Benacerrah B

出版信息

Proc Natl Acad Sci U S A. 1976 Feb;73(2):625-9. doi: 10.1073/pnas.73.2.625.

Abstract

The role of the products of the K and D loci of the H-2 complex as target antigens for cytotoxic T cells generated to modified syngeneic cells has been investigated. Spleen cells, when cocultured with trinitrophenyl-derivatized syngeneic cells, generate cytolytic T cells that lyse most effectively tumor or spleen targets that are trinitrophenyl-derivatized and H-2 identical to the sensitizing cell. Cytolysis is inhibited by alloantisera to the K and/or D specificities of the target cells and by anti-dinitrophenyl antisera. Cytolic cells generated in this manner are also able to lyse, though less efficiently, trinitrophenyl-derivatized tumor and spleen targets that do not share products of the K and D loci with the sensitizing cell, and this cytolysis is also blocked by alloantisera directed to the H-2 serological specificities of such targets.

摘要

已经研究了H-2复合体的K和D位点产物作为针对由经修饰的同基因细胞产生的细胞毒性T细胞的靶抗原的作用。脾细胞与三硝基苯基衍生的同基因细胞共培养时,会产生溶细胞性T细胞,这些细胞最有效地裂解经三硝基苯基衍生且H-2与致敏细胞相同的肿瘤或脾靶细胞。细胞溶解受到针对靶细胞K和/或D特异性的同种抗血清以及抗二硝基苯基抗血清的抑制。以这种方式产生的溶细胞性细胞也能够裂解(尽管效率较低)与致敏细胞不共享K和D位点产物的经三硝基苯基衍生的肿瘤和脾靶细胞,并且这种细胞溶解也被针对此类靶细胞的H-2血清学特异性的同种抗血清所阻断。

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