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首页> 外文期刊>日本輸血学会雑誌: Journal of the Japan Society of Blood Transfusion >好中球特異抗原NA1に対するモノクローナル抗体の作製
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好中球特異抗原NA1に対するモノクローナル抗体の作製

机译:中性粒细胞特异性抗原NA1单克隆抗体的制备

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摘要

The neutrophil-specific antigen NA is biallelic, composed of NA1 and NA2.NA antigens are often targets of antibodies which cause immune neutropenia. The phenotype of the NA system has been determined by the reaction of specific antibodies. We developed a new NAl-specific monoclonal antibody, TAG1. The reactivity of TAG1 to neutrophils was identical to that of MG38, which has been previously used to detect NA1 antigen. TAG1 did not react with any other blood cells or with cell lines derived from hematological malignancies, suggesting specificity for mature neutrophils. Preincubation of NAl/NAl neutrophils with MG38 remarkably abolished the binding of TAG1. Further, the reactivity of TAG1 to solubilized antigen from NA1 neutrophils was significantly lower than that of MG38 by the mixed passive hemagglutina-tion method. These results suggest that TAG1 specificically recognizes the NA1 antigen through different epitopes to those detected by MG38.
机译:中性粒细胞特异性抗原Na是双晶,由Na1和Na2.Na抗原组成,通常是引起免疫中性蛋白的抗体的靶标。 Na系统的表型已经通过特异性抗体的反应来确定。 我们开发了一种新的NAL特异性单克隆抗体Tag1。 Tag1至中性粒细胞的反应性与Mg38的反应性相同,其先前用于检测Na1抗原。 Tag1与衍生自血液恶性肿瘤的细胞系没有反应,表明成熟中性粒细胞的特异性。 NAL / NAL中性粒细胞与MG38的预孵育显着废除TAG1的结合。 此外,通过混合无源血凝术 - 术法显着低于Na1中性粒细胞的Tag1至溶解抗原的反应性显着低于Mg38的反应性。 这些结果表明Tag1对照通过不同的表位对Mg38检测到的物理识别Na1抗原。

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