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Goat anti-Rabbit IgG (H+L) Secondary Antibody, DyLight 633

Goat anti-Rabbit IgG (H+L) Secondary Antibody, DyLight 633

公司名称: Thermo Fisher Scientific
产品编号: 35562
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Analysis of Phagosomal Antigen Degradation by Flow Organellocytometry
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2016-11-20
[Abstract]  Professional phagocytes internalize self and non-self particles by phagocytosis to initiate innate immune responses. After internalization, the formed phagosome matures through fusion and fission events with endosomes and lysosomes to obtain a more acidic, oxidative and hydrolytic environment for the degradation of its cargo. Interestingly, phagosome maturation kinetics differ between cell types and cell activation states. This protocol allows to quantify phagosome maturation kinetics on a single organelle level in different types of phagocytes using flow cytometry. Here, ovalbumin ... [摘要]  专业吞噬细胞通过吞噬作用内化自身和非自身颗粒以启动先天免疫应答。内化后,形成的吞噬体通过与内体和溶酶体的融合和裂变事件成熟,以获得更酸性,氧化和水解的环境用于其货物的降解。有趣的是,吞噬体成熟动力学在细胞类型和细胞活化状态之间不同。该协议允许使用流式细胞术定量不同类型的吞噬细胞中单个细胞器水平上的吞噬体成熟动力学。在这里,卵白蛋白(OVA)耦合的颗粒用作吞噬作用模型系统在树突状细胞(DC),其通过吞噬内化。在不同的时间点之后,吞噬体成熟参数,例如OVA的吞噬体降解和溶酶体蛋白(例如LAMP-1)的获得,可以通过流式细胞器细胞计数以高度定量的方式同时测量。这些读出可以与其他吞噬体功能相关,例如抗原降解,在DC中的加工和负载。

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