Cardiolipin antibodies dependant on beta2-glycoprotein-I in antiphospholipid syndrome

被引:0
|
作者
Kuznetsova, TV [1 ]
Tischenko, VA [1 ]
Kobylyansky, AG [1 ]
Palkeeva, ME [1 ]
Novikov, AA [1 ]
Reshetnyak, TM [1 ]
Klyukvina, NG [1 ]
Nasonov, EL [1 ]
机构
[1] AL Myasnikov Clin Cardiol Inst, Moscow, Russia
关键词
antiphospholipid syndrome; beta2-glycoprotein-I; anticardiolipin antibodies;
D O I
暂无
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Aim. To study beta2-GP-I-dependant binding of phospholipid antibodies (PAb) to phospholipids and this process participation in pathogenesis of antiphospholipid syndrome (APS). Materials and methods. IgG-fractions and sera from 20 patients with APS. Cofactor activity of beta2-GP-I isolated from serum of healthy donors was examined with modified immunoassay. Results. Contrary to donor IgG, binding of IgG fractions isolated from sera of APS patients with cardiolipin grows dose-dependently in the presence of beta2-GP-I. Cofactor activity of beta2-GP-I is confirmed in the study of sera of APS patients. Sera containing beta2-GP-I-dependant antibodies to cardiolipin (aCL), unlike a CL-negative sera, react with solid-phase immobilized beta2-GP-I. Conclusion. It is confirmed that beta2-GP-I participates in interaction of PAb with cardiolipin. Pathogenetic implication of beta2-GP-I-dependant PAb for onset of APS is discussed.
引用
收藏
页码:41 / 44
页数:4
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