Characterizing human CMV-specific CD8 + T cells using multi-layer single-cell omics
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In this study we established a comprehensive workflow to collect multi-omics single-cell data using a commercially available micro-well based platform. This included whole transcriptome, cell surface markers (targeted sequencing-based cell surface proteomics), T cell specificities, adaptive immune receptor repertoire (AIRR) profiles and sample multiplexing. With this technique we identified novel paired T cell receptor sequences for three prominent human CMV epitopes. In addition, we review the ability of dCODE dextramers to detect antigen-specific T cells at low frequencies by estimating sensitivities and specificities when used as reagents for single-cell multi-omics.
Motivation
In this study, we report the first five-layer multi-omics dataset using the BD Rhapsody single-cell platform for the characterization of human antigen-specific T cells. Modalities include whole transcriptome, T cell receptor (TCR) sequences, T cell antigen specificity measured by dCODE dextramers, surface marker proteins and combinatorial sample multiplexing combining two distinct hashing approaches.
