Abstract
Abstract The BD Rhapsody™ Single-Cell Analysis System is an innovative platform that aids high-throughput sequencing of mRNA and proteins in thousands of single cells. Here we present a new eight-lane cartridge design concept, the BD Rhapsody™ HT Xpress System. This novel device architecture can reduce both hands-on and assay time by enabling the users to simultaneously load multiple cell samples while preserving the flexibility to use one lane at a time. To demonstrate the increased throughput capabilities and workflow flexibility of the system, we measured in vitro T cell activation over time. To do this, peripheral blood mononuclear cells from four different subjects were prepared for cell culture in IL-2 or IL-2/anti-CD3/anti-CD28. After one day in culture, cell samples from each culture condition were barcoded using the BD® Single-Cell Multiplexing Kit. Cells from the same subject were pooled and stained with the BD® AbSeq Immune Discovery Panel. Pooled cells from each subject were loaded into the cartridge (one subject per lane, four lanes total). Remaining cells were cultured for another day and similarly barcoded, stained and loaded into the other four lanes of the cartridge. Eight different next generation sequencing libraries were generated and analyzed with the BD Rhapsody™ Analysis Pipeline and SeqGeq™ Software. This strategy enabled us to assess dynamic changes in both T cell surface protein profiles and transcriptome during cell activation while using a streamlined workflow for concomitant analysis of multiple samples. For Research Use Only. Not for use in diagnostic or therapeutic procedures. BD, the BD Logo, BD Rhapsody and SeqGeq are trademarks of Becton, Dickinson and Company or its affiliates. © 2023 BD. All rights reserved.
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