Analysis of the fine specificities of 11 mouse monoclonal antibodies reactive with type 2 blood group determinants.

Analysis of the fine specificities of 11 mouse monoclonal antibodies reactive with type 2 blood group determinants.
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与 2 型血型决定因素反应的 11 种小鼠单克隆抗体的精细特异性分析。

DOI:
10.1016/0161-5890(90)90081-a
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发表时间:
1990
影响因子:
3.6
通讯作者:
Lloyd,KO
Lloyd,KO
中科院分区:
医学3区
文献类型:
--
作者:
Furukawa,K;Welt,S;Yin,BW;Feickert,HJ;Takahashi,T;Ueda,R;Lloyd,KO

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通过研究 11 种小鼠单克隆抗体与一组标准糖脂、红细胞糖脂和血型糖蛋白的反应性,详细分析了 11 种小鼠单克隆抗体与 2 型血型结构选择性反应的特异性。抗体与单岩藻糖基 2 型 H、二岩藻糖基 2 型结构 (Ley) 或两者反应;没有一种抗体与 1 型(H、Lea 或 Leb)结构发生反应。只有一小部分抗体对 2 H 型或 Leystructs 具有完全特异性。没有一种抗体具有相同的反应模式,并且它们的特异性各自不同。七种抗体优先凝集 O 型和 A2 型红细胞。除mAb101外,抗Ley特异性抗体不凝集红细胞或与红细胞糖脂反应,表明红细胞糖脂中不存在Ley结构。一些抗体与 A 型红细胞反应的能力被证明是由于抗体与 3 型(重复)A 结构的交叉反应性。该研究表明,单克隆抗碳水化合物抗体倾向于与一系列相关的、甚至是关系较远的结构以每种抗体特有的模式发生反应,并且很少有抗体具有极其有限的特异性。
The specificity of 11 mouse monoclonal antibodies reacting selectively with type 2 blood group structures was analyzed in detail by studying their reactivities with a panel of standard glycolipids, glycolipids from erythrocytes and blood group glycoproteins. The antibodies reacted with monofucosyl type 2 H, difucosyl type 2 structures (Ley) or both; none of the antibodies reacted with type 1 (H, Lea, or Leb) structures. Only a small proportion of the antibodies were completely specific for either type 2 H or Leystructures. None of the antibodies had identical patterns of reactivity and their specificities were individually distinct. Seven antibodies preferentially agglutinated O and A2erythrocytes. Anti-Ley-specific antibodies, except mAb101, did not agglutinate erythrocytes or react with glycolipids from erythrocytes, indicating the absence of Leystructures in erythrocyte glycolipids. The ability of some antibodies to react with A erythrocytes was shown to be due to cross-reactivity of the antibodies with type 3 (repetitive) A structures. The study demonstrates that monoclonal anti-carbohydrate antibodies tend to react with a range of related, and even distantly related, structures in a pattern characteristic of each antibody and that very few antibodies have extremely restricted specificities.
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发表时间: 1985-02
影响因子: 11.1
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DOI: 10.1089/hyb.1.1982.1.139
发表时间: 1982
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影响因子: --
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