Cancer-on-a-Chip for Modeling Immune Checkpoint Inhibitor and Tumor Interactions.

Cancer-on-a-Chip for Modeling Immune Checkpoint Inhibitor and Tumor Interactions.
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用于模拟免疫检查点抑制剂和肿瘤相互作用的癌症芯片。

DOI:
10.1002/smll.202004282
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发表时间:
2021-03
期刊:
Small (Weinheim an der Bergstrasse, Germany)
影响因子:
--
通讯作者:
Khademhosseini A
Khademhosseini A
中科院分区:
其他
文献类型:
--
作者:
Jiang X;Ren L;Tebon P;Wang C;Zhou X;Qu M;Zhu J;Ling H;Zhang S;Xue Y;Wu Q;Bandaru P;Lee J;Kim HJ;Ahadian S;Ashammakhi N;Dokmeci MR;Wu J;Gu Z;Sun W;Khademhosseini A

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癌症免疫疗法,包括基于免疫检查点抑制剂(ICI)的疗法,已经彻底改变了癌症治疗。然而,患者对ICI的反应是高度可变的,需要开发快速评估疗效的方法。在这项研究中,已经开发了一系列微型生物反应器来模拟肿瘤-免疫相互作用。这种免疫学高通量观察室(iHOC)旨在测试抗PD-1抗体对癌症球体(MDA-MB-231,PD-L1+)和T细胞(Jurkat)相互作用的影响。该系统便于使用诸如肿瘤浸润和白细胞介素-2(IL-2)分泌的度量来容易地监测T细胞抑制和再活化。通过使用微柱阵列测量IL-2浓度,可以在iHOC内容易地捕获肿瘤-免疫相互作用的状态,其中在抗体涂覆在阵列表面上之后允许灵敏的定量检测。iHOC是一个平台,可用于以高通量方式模拟和监测癌症-免疫相互作用以响应免疫治疗。患者对基于免疫检查点抑制剂(ICI)的治疗的反应是高度可变的,需要快速评估方法。在这里,癌症芯片平台被设计成以高通量方式监测癌症球体和T细胞之间的ICI相关的癌症免疫相互作用。该系统是一个很有前途的筛选平台,药物发现,药物安全性评估和个性化医疗。
Cancer immunotherapies, including immune checkpoint inhibitor (ICI)-based therapies, have revolutionized cancer treatment. However, patient response to ICIs is highly variable, necessitating the development of methods to quickly assess efficacy. In this study, an array of miniaturized bioreactors has been developed to model tumor-immune interactions. This immunotherapeutic high-throughput observation chamber (iHOC) is designed to test the effect of anti-PD-1 antibodies on cancer spheroid (MDA-MB-231, PD-L1+) and T cell (Jurkat) interactions. This system facilitates facile monitoring of T cell inhibition and re-activation using metrics such as tumor infiltration and interleukin-2 (IL-2) secretion. Status of the tumor-immune interactions can be easily captured within the iHOC by measuring IL-2 concentration using micropillar array where sensitive, quantitative detection is allowed after antibody coating on the surface of array. The iHOC is a platform that can be used to model and monitor cancer-immune interactions in response to immunotherapy in a high-throughput manner. Patient responses to immune checkpoint inhibitor (ICI)-based therapies are highly variable, calling for a rapid evaluation approach. Here, a cancer-on-a-chip platform is designed to monitor ICI-associated cancer-immune interactions between cancer spheroids and T cells in a high-throughput manner. The system is a promising screening platform for drug discovery, drug safety assessment, and personalized medicine.
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