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JoVE Journal
Immunology and Infection
在剪切粘结力的测定T淋巴细胞粘附分子相互作用的研究
在剪切粘结力的测定T淋巴细胞粘附分子相互作用的研究
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Assay of Adhesion Under Shear Stress for the Study of T Lymphocyte-Adhesion Molecule Interactions

在剪切粘结力的测定T淋巴细胞粘附分子相互作用的研究

Full Text
9,111 Views
07:40 min
June 29, 2016

DOI: 10.3791/54203-v

Marianne Strazza1, Inbar Azoulay-Alfaguter1, Michael Peled1, Adam Mor1,2

1Department of Medicine,New York University School of Medicine, 2Department of Pathology,New York University School of Medicine

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Please note that some of the translations on this page are AI generated. Click here for the English version.

这种流动粘附实验提供了T细胞的上皮细胞间的相互作用一个简单的,高冲击的模型。的注射器泵用于产生剪切应力,和共聚焦显微镜捕捉图像进行定量。这些研究的目标是使用流动条件,有效地量化的T细胞粘附。

该测定的总体目标是确定在剪切应力条件下感兴趣的处理对细胞粘附的影响。这种方法可以帮助回答免疫细胞信号传导领域的关键问题,例如,哪些因素介导整合素激活。该技术的主要优点是可以在易于复制的流式系统中研究单个粘附分子整合素对。

虽然这种方法可以提供对 LFA1 激活的见解,但它也可以应用于其他整合素的研究。通常,刚接触这种方法的人可能会很困难,因为必须精确执行技术设置。要收获 CHO-ICAM 细胞,请在室温下用 0.5% 胰蛋白酶 EDTA 处理培养物 1 分钟,同时轻轻摇动。

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