Comparative analysis of assays to measure CAR T-cell-mediated cytotoxicity.

Comparative analysis of assays to measure CAR T-cell-mediated cytotoxicity.
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测量CAR T细胞介导的细胞毒性的测定的比较分析。

DOI:
10.1038/s41596-020-00467-0
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发表时间:
2021-03
期刊:
影响因子:
14.8
通讯作者:
Adusumilli PS
Adusumilli PS
中科院分区:
生物学1区
文献类型:
--
作者:
Kiesgen S;Messinger JC;Chintala NK;Tano Z;Adusumilli PS

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包括嵌合抗原受体和T细胞受体T细胞在内的基因工程“活药物”的抗肿瘤功效受其活化、增殖、抑制和耗竭的影响。一个敏感的和可重复的细胞毒性试验,共同反映这些功能是这些细胞治疗剂的翻译的基本要求。在这里,我们比较了各种体外细胞毒性试验(包括铬释放,生物发光,阻抗和流式细胞术)方面的实验设置,适当的用途,优点,缺点和克服局限性的措施。我们还强调了FDA关于临床细胞治疗产品发布的效价测定的指令。此外,我们还讨论了反复抗原暴露的先进检测方法,以及免疫效应细胞、免疫调节抗体和可变抗原表达靶点组合的同时检测。这篇综述文章应该有助于使研究人员具备必要的知识,以选择适当的细胞毒性试验来测试免疫抑制剂单独或联合使用的疗效。
The antitumor efficacy of genetically engineered “living drugs,” including chimeric antigen receptor and T-cell receptor T cells, is influenced by their activation, proliferation, inhibition, and exhaustion. A sensitive and reproducible cytotoxicity assay that collectively reflects these functions is an essential requirement for translation of these cellular therapeutic agents. Here, we compare various in vitro cytotoxicity assays (including chromium release, bioluminescence, impedance, and flow cytometry) with respect to experimental setup, appropriate uses, advantages, disadvantages, and measures to overcome limitations. We also highlight the FDA directives for a potency assay for release of clinical cell therapy products. In addition, we discuss advanced assays of repeated antigen exposure and simultaneous testing of combinations of immune effector cells, immunomodulatory antibodies, and targets with variable antigen expression. This Review article should help to equip investigators with the necessary knowledge to select appropriate cytotoxicity assays to test the efficacy of immunotherapeutic agents alone or in combination.
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