ROLE OF 3RD N-TERMINAL DOMAIN OF VCAM-1

被引:6
|
作者
WEBB, DL [1 ]
MARLOR, CW [1 ]
CONRAD, PJ [1 ]
BARKOWSKICLARK, S [1 ]
BLUE, ML [1 ]
机构
[1] MILES INC,RES CTR,INST MOLEC BIOL,W HAVEN,CT 06516
关键词
D O I
10.1006/bbrc.1993.2532
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The interaction between VLA-4 and VCAM-1 has been implicated in the recruitment, adhesion, and activation of mononuclear leukocytes in chronic inflammatory conditions and autoimmune disease. The seven domain extracellular portion of VCAM-1, sVCAM1-7, and the first three and two N- terminal domains of VCAM-1, sVCAM1-3 and sVCAM1-2, respectively, were expressed in baculovirus and purified. Using these purified soluble forms of VCAM-1 and cellular transfectants expressing various cell bound forms of VCAM-1, we show that the major binding site for VLA-4 is located within the first two domains of VCAM-1 and that the third domain of VCAM-1 appears to be required for functional integrity of the VLA-4 binding site. © 1993 Academic Press, Inc.
引用
收藏
页码:674 / 681
页数:8
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