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A tissue-like platform for studying engineered quiescent human T-cells' interactions with dendritic cells.


ABSTRACT: Research in the field of human immunology is restricted by the lack of a system that reconstitutes the in-situactivation dynamics of quiescent human antigen-specific T-cells interacting with dendritic cells. Here we report a tissue-like system that recapitulates the dynamics of engineered primary human immune cell. Our approach facilitates real-time single-cell manipulations, tracking of interactions and functional responses complemented by population-based measurements of cytokines, activation status and proliferation. As a proof of concept, we recapitulate immunological phenomenon such as CD4 T-cells' help to CD8 T-cells through enhanced maturation of DCs and the effect of PD-1 checkpoint blockades. In addition, we characterise unique dynamics of T-cell/DC interactions as a function of antigen affinity.

SUBMITTER: Abu-Shah E 

PROVIDER: S-EPMC6910819 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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A tissue-like platform for studying engineered quiescent human T-cells' interactions with dendritic cells.

Abu-Shah Enas E   Demetriou Philippos P   Bálint Štefan Š   Mayya Viveka V   Kutuzov Mikhail A MA   Dushek Omer O   Dustin Michael L ML  

eLife 20190925


Research in the field of human immunology is restricted by the lack of a system that reconstitutes the <i>in-situ</i>activation dynamics of quiescent human antigen-specific T-cells interacting with dendritic cells. Here we report a tissue-like system that recapitulates the dynamics of engineered primary human immune cell. Our approach facilitates real-time single-cell manipulations, tracking of interactions and functional responses complemented by population-based measurements of cytokines, acti  ...[more]

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