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用于免疫突触形成及嵌合抗原受体T细胞(CAR T细胞)对癌细胞激活的活细胞成像方案。

Protocol for live-cell imaging of immune synapse formation and activation of CAR T cells against cancer cells.

作者信息

Ibanez Jorge, Hebbar Nikhil, Thanekar Unmesha, Yi Zhongzhen, Houke Haley, Ward Meghan, Nevitt Chris, Tian Liqing, Mack Stephen C, Sheppard Heather, Chiang Jason, Velasquez M Paulina, Krenciute Giedre

机构信息

Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA.

Department of Developmental Neurobiology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA.

出版信息

STAR Protoc. 2024 Dec 20;5(4):103422. doi: 10.1016/j.xpro.2024.103422. Epub 2024 Nov 1.

DOI:10.1016/j.xpro.2024.103422
PMID:39488837
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11566859/
Abstract

Immune synapse (IS) formation determines T cell antitumor activity. Here, we present a protocol for characterizing the IS formation between chimeric antigen receptor (CAR) T cells and tumor cells by measuring the IS size and calcium flux by live-cell imaging. We describe steps for CAR T cell manufacturing, sample preparation, image acquisition, and data analysis. For complete details on the use and execution of this protocol, please refer to Chockley et al., Ibanez et al., and Zoine et al..

摘要

免疫突触(IS)的形成决定了T细胞的抗肿瘤活性。在此,我们提供了一种通过活细胞成像测量IS大小和钙通量来表征嵌合抗原受体(CAR)T细胞与肿瘤细胞之间IS形成的方案。我们描述了CAR T细胞制造、样品制备、图像采集和数据分析的步骤。有关本方案使用和执行的完整详细信息,请参考乔克利等人、伊瓦涅斯等人和佐内等人的研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/cdceab3883bc/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/21b9512fb860/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/040ab10ea91a/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/8f195ca471ae/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/77bc24fef5a4/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/6145c21c4609/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/cdceab3883bc/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/21b9512fb860/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/040ab10ea91a/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/8f195ca471ae/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/77bc24fef5a4/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/6145c21c4609/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7209/11566859/cdceab3883bc/gr5.jpg

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本文引用的文献

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Peptide-scFv antigen recognition domains effectively confer CAR T cell multiantigen specificity.肽-scFv 抗原识别结构域能有效地赋予 CAR T 细胞多抗原特异性。
Cell Rep Med. 2024 Feb 20;5(2):101422. doi: 10.1016/j.xcrm.2024.101422. Epub 2024 Feb 12.
2
GRP78-CAR T cell effector function against solid and brain tumors is controlled by GRP78 expression on T cells.GRP78-CAR T 细胞对实体瘤和脑肿瘤的效应功能受 T 细胞上 GRP78 表达的控制。
Cell Rep Med. 2023 Nov 21;4(11):101297. doi: 10.1016/j.xcrm.2023.101297.
3
Nanoscale CAR Organization at the Immune Synapse Correlates with CAR-T Effector Functions.
纳米级 CAR 组织在免疫突触中与 CAR-T 效应功能相关。
Cells. 2023 Sep 12;12(18):2261. doi: 10.3390/cells12182261.
4
TrackMate 7: integrating state-of-the-art segmentation algorithms into tracking pipelines.TrackMate 7:将最先进的分割算法集成到跟踪管道中。
Nat Methods. 2022 Jul;19(7):829-832. doi: 10.1038/s41592-022-01507-1. Epub 2022 Jun 2.
5
CAR T cells redirected to cell surface GRP78 display robust anti-acute myeloid leukemia activity and do not target hematopoietic progenitor cells.嵌合抗原受体 T 细胞靶向细胞表面 GRP78 表现出强大的抗急性髓系白血病活性,并且不会靶向造血祖细胞。
Nat Commun. 2022 Jan 31;13(1):587. doi: 10.1038/s41467-022-28243-6.
6
Increasing LFA-1 Expression Enhances Immune Synapse Architecture and T Cell Receptor Signaling in Jurkat E6.1 Cells.增加淋巴细胞功能相关抗原-1(LFA-1)的表达可增强Jurkat E6.1细胞中的免疫突触结构和T细胞受体信号传导。
Front Cell Dev Biol. 2021 Jul 23;9:673446. doi: 10.3389/fcell.2021.673446. eCollection 2021.
7
Patient-derived models recapitulate heterogeneity of molecular signatures and drug response in pediatric high-grade glioma.患者来源模型再现了小儿高级别胶质瘤分子特征和药物反应的异质性。
Nat Commun. 2021 Jul 2;12(1):4089. doi: 10.1038/s41467-021-24168-8.
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H3.3 K27M depletion increases differentiation and extends latency of diffuse intrinsic pontine glioma growth in vivo.H3.3 K27M 耗竭增加了弥漫性内在脑桥神经胶质瘤在体内的分化并延长了潜伏期。
Acta Neuropathol. 2019 Apr;137(4):637-655. doi: 10.1007/s00401-019-01975-4. Epub 2019 Feb 15.
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Phototoxicity in live fluorescence microscopy, and how to avoid it.活细胞荧光显微镜检查中的光毒性及其规避方法。
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