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beta2-GP1 Ab IgM ELISA 试剂盒

beta2-GP1 Ab IgM 适用: 人 Colorimetric Competition ELISA
产品编号 ABIN996882
发货至: 中国
  • 抗原 See all beta2-GP1 Ab IgM products
    beta2-GP1 Ab IgM (Beta2-Glycoprotein 1 Antibody IgM (beta2-GP1 Ab IgM))
    适用
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    检测方法
    Colorimetric
    实验类型
    Competition ELISA
    应用范围
    ELISA
    原理
    ß2GP1 IgM Enzyme-linked Immunosorbent Assay (ELISA) is intended for the detection and semiquantitative determination of IgM antibodies to ß2GP1 in human sera or plasma.
    Analytical Method
    Semi-Quantitative
    特异性
    85.4 %
  • 样本量
    5 μL
    实验时间
    1 - 2 h
    板类型
    Pre-coated
    限制
    仅限研究用
  • 储存条件
    4 °C
    有效期
    12 months
  • 抗原 See all beta2-GP1 Ab IgM products
    beta2-GP1 Ab IgM (Beta2-Glycoprotein 1 Antibody IgM (beta2-GP1 Ab IgM))
    Abstract
    beta2-GP1 Ab IgM 产品
    物质类
    Antibody
    背景
    Cardiolipin autoantibodies (ACA) are described for various autoimmune diseases. The presence of anti-cardiolipin antibodies in systemic lupus erythematosus (SLE) can be related to the development of thrombocytopenia, in gynaecology they are supposed to cause intrauterine death or recurrent abortion. Furthermore, anti-cardiolipin antibodies have been found in some non-thrombotic neurological disorders like cerebrovascular insufficiency, cerebral ischemia or chorea and in myocardial infarction. Recent studies have shown that a 50kD serum cofactor is required for anticardiolipin antibodies, to bind to cardiolipin which has been coated onto plastic plates. The cofactor has been identified as beta 2 -glycoprotein 1 also termed apolipoprotein H. beta 2 GP1 has been known as an in vitro inhibitor of the intrinsic blood coagulation pathway, ADP-dependent aggregation, and prothrombinase activity of activated platelets. It has become apparent that anticardiolipin antibody from patients with anti-phospholipid syndrome (APS) recognize a modified beta 2 GP1 structure and not cardiolipin, native beta 2 GP1 or an epitope structurally defined by both cardiolipin and beta 2 GP1.

    Galli et al. and Viard, et al. reported that anti-cardiolipin antibody derived from SLE and APS were directed to the beta 2 GP1 molecule coated on polystyrene plates. Koike and Matsuura showed conclusively that beta2GP1 is indeed the antigen to which many anticardiolipin antibody patients are actually binding and furthermore showed that the phospholipid merely serves to link the beta 2 GP1 to the solid phase. beta 2 GP1 autoantibodies are found in the immunoglobulin classes IgG, IgM and IgA. The determination of IgM antibodies is a valuable indicator in the diagnosis of beginning autoimmune disease, whereas IgG and/or IgA antibodies will be found in progressive stages of manifested autoimmune disorders. IgA antibodies are often associated with IgG antibodies. The determination of IgA antibodies seems to have a greater validity in thrombosis and fetal loss.. Indications for determination of anti beta 2 GP1 antibodies are: SLE, Thrombosis, Thrombocytopenia, Cerebral Ischemia, Chorea, Epilepsy, Recurrent Abortion and Intrauterine Death.
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