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DOI: 10.3791/51627-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
监测体内详细的T细胞应答的能力,对于我们的免疫应答的理解的发展非常重要。在这里,我们描述了评估同时采用流式细胞仪> 250参数体内 T细胞检测使用荧光目标阵列(自由贸易协定)的。
该程序的总体目标是生成多达 252 个独特标记的荧光靶细胞阵列,用于使用多参数流式细胞术进行免疫测定。这是通过首先用独特的活性染料(如 CFSE 和 CTV)组合和强度标记靶淋巴细胞来实现的。下一步是用候选 MHC 1 类和 MHC 2 类结合肽表位脉冲每个不同的靶淋巴细胞群。
然后广泛洗涤细胞以保持表位的特异性,然后将细胞汇集并注射到动物体内。最后一步是从特定组织中收集荧光标签阵列细胞,标记它们并评估 MHC 肽特异性反应。最终,流式细胞术结果可以通过测量靶细胞死亡来显示 CTL 反应,并且它们可以通过测量 B 细胞靶标活化标志物的上调来显示 CD 四个阳性 T 辅助反应 与传统体内 CTL 测定相比,该技术的主要优点是它允许同时测量一只动物中超过 250 个靶细胞,证明该程序将是 Ben Quire, 我实验室的一名研究员。
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