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抗Ia血清对促有丝分裂反应的影响。III. 将伴刀豆球蛋白A反应性细胞上控制Ia决定簇表达的基因定位到H-2基因复合体的I-J亚区。

Effects of anti-Ia sera on mitogenic responses. III. Mapping the genes controlling the expression of Ia determinants on concanavalin A-reactive cells to the I-J subregion of the H-2 gene complex.

作者信息

Frelinger J A, Niederhuber J E, Shreffler D C

出版信息

J Exp Med. 1976 Oct 1;144(4):1141-6. doi: 10.1084/jem.144.4.1141.

Abstract

We have shown that the Ia determinants expressed on nylon wool-purified T lymphocytes reactive to concanavalin A (Con A) in serum-free media are coded in a single I subregion of the H-2 gene complex. This region, I-J, is defined by two pairs of intra-H-2 recombinant haplotypes: H-2t3, H-2t4 and H-2i3, H-2i5, carried by B10.HTT, B10.S(9R), B10.A(3R), AND B10.A(5R), respectively. No activity against Con A-reactive T cells has been detected in any antiserum that was produced in strain combinations which shared a common I-J region. This suggests that Ia antigens expressed on Con A-reactive T cells are restricted to the I-J subregion.

摘要

我们已经表明,在无血清培养基中对刀豆球蛋白A(Con A)有反应的经尼龙毛纯化的T淋巴细胞上表达的Ia决定簇,是由H-2基因复合体的单个I亚区编码的。这个区域,即I-J,由两对H-2内重组单倍型定义:分别由B10.HTT、B10.S(9R)、B10.A(3R)和B10.A(5R)携带的H-2t3、H-2t4以及H-2i3、H-2i5。在共享共同I-J区域的品系组合中产生的任何抗血清中,均未检测到针对Con A反应性T细胞的活性。这表明在Con A反应性T细胞上表达的Ia抗原局限于I-J亚区。

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