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DOI: 10.3791/57843-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
本文描述了一种用 ELISA 方法表征小鼠 t 依赖性和 t 无关免疫球蛋白 (同种) 反应的协议。这种方法单独使用或结合流式细胞术将允许研究人员确定在 B 细胞介导的小鼠同种反应在 t 依赖性和 t 独立抗原免疫的差异。
该方法可以帮助回答免疫学领域关于抗原免疫诱导的依赖性和独立性抗体反应以及 B 细胞活化和生发中心反应的关键问题。该技术的主要优点是它提供可靠和定量的 Ig 同种型反应测量,并直接比较小鼠的 B 细胞活化和体液免疫。对于 TNP-多糖免疫,每只小鼠用 1 毫升胰岛素注射器装入 100 微升新鲜制备的抗原溶液,并以大约 30 度角将针头插入每只动物的右下象限,以避免下部器官注射。
注射完所有小鼠后,将动物放回笼子中,安置在特定的无病原体设施中。在适当的实验时间点,通过眼眶后出血从每只免疫动物收集 150 至 200 微升血液,并让样品在室温下凝固 1 至 2 小时。在孵育结束时,离心凝固的血液样品,并将透明血清从每个血凝块顶部转移到无菌的 1.5 ml 微量离心管中。
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