MOUSE CD4 BINDS MHC CLASS-II WITH EXTREMELY LOW-AFFINITY

被引：57

作者：

WEBER, S ^{[1
]}

KARJALAINEN, K ^{[1
]}

机构：

[1] BASEL INST IMMUNOL,GRENZACHERSTR 487,CH-4005 BASEL,SWITZERLAND

来源：

INTERNATIONAL IMMUNOLOGY | 1993年 / 5卷 / 06期

关键词：

ADHESION; BINDING; CORECEPTOR;

D O I：

10.1093/intimm/5.6.695

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

Interaction of CD4 with MHC class II molecules plays a crucial role during thymic development and activation of single-positive CD4 T lymphocytes. The quantitation of this interaction is, therefore, important for understanding the role of CD4 during these events. To this end, we have developed a rosette assay, which enabled us to study this molecular interaction. By coupling soluble mouse CD4 onto beads, we could show specific binding of CD4 to MHC class II molecules on A20 B lymphoma cells. These binding studies revealed an extremely low affinity (K(a) less-than-or-equal-to 10(4) M-1) between CD4 and MHC class II molecules in mouse.

引用

页码：695 / 698

页数：4

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