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JoVE Journal
Immunology and Infection
用于评估肿瘤发生过程中抗原特异性 CD8+ T 细胞动力学的引流淋巴结转移模型
用于评估肿瘤发生过程中抗原特异性 CD8+ T 细胞动力学的引流淋巴结转移模型
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Draining Lymph Node Metastasis Model for Assessing the Dynamics of Antigen-Specific CD8+ T Cells During Tumorigenesis

用于评估肿瘤发生过程中抗原特异性 CD8+ T 细胞动力学的引流淋巴结转移模型

Full Text
2,287 Views
07:45 min
January 26, 2024

DOI: 10.3791/65646-v

Yan Zhang*1, Xingxing Su*2, Lisha Wang2, Zhengliang Yue2, Qiao Liu3, Ling Ran2, Shun Lei2, Jianjun Hu2, Lifan Xu2, Lilin Ye2, Ping Ji4, Guimei Li1, Qizhao Huang5, Shuqiong Wen4

1College of Veterinary Medicine,Qingdao Agricultural University, 2Institute of Immunology,Third Military Medical University, 3Institute of Cancer, Xinqiao Hospital,Third Military Medical University, 4Stomatological Hospital of Chongqing Medical University, 5Institute of life science,Chongqing Medical University

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Summary

这里介绍的实验设计为淋巴结 (LN) 转移期间抗原特异性 CD8+ T 细胞的研究提供了一个有用的生殖模型,其中排除了旁观者 CD8+ T 细胞的扰动。

Transcript

该协议为抗原特异性CD8 T细胞的研究提供了有用的生殖模型。它们是淋巴结转移,排除了旁观者 CD8 T 细胞的参与。我们试图揭示抗原特异性CD8 T细胞的全身和局部动力学,它们是淋巴结转移。

最近积累的证据表明,来源于外周的肿瘤特异性CD8 T细胞,特别是在肿瘤引流淋巴结中,但在肿瘤微环境中却没有达到免疫检查点阻断治疗的疗效。最近,我们在小鼠肿瘤模型和人肝细胞癌患者的肿瘤引流淋巴结中的一个阳性、阴性肿瘤亚特异性记忆 T 细胞中发现了这一点,这些 T 细胞作为免疫检查点阻断的一般反应者。很难评估插管的精确时间点,因为通过其他技术进行淋巴结转移并不总是可行的。

该协议提供了一种精确研究抗原特异性CD8 T细胞免疫反应的方法。淋巴结转移,排除旁观者CD8 T细胞的参与。我们的实验设计为研究淋巴结转移过程中抗原特异性CD8 T细胞、淋巴结转移以及抗原特异性CD8 T细胞与其他免疫细胞或基质细胞之间的相互作用提供了一个有用的模型。

我们将尝试阐明淋巴结转移如何影响抗肿瘤免疫反应,尤其是 TDR 和 TTSM 细胞的特性和功能。这一结果将影响临床治疗方案,即是否去除或保留MLN,并揭示如何操纵MLN以实现最大治疗效果。

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