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Comparing GEXSCOPE® v3 and Chromium® GEM-X Single Cell 3′ Kit v4: Mouse Bone Marrow

We compared microwell-based (Singleron GEXSCOPE RNA Library Kit v3, GEXSCOPE) and droplet-based scRNA-seq (10X Genomics® Chromium GEM-X Single Cell 3′ Kit v4, GEM-X) using mouse bone marrow. We evaluated:

  • Library quality
  • Cell recovery
  • Detection sensitivity
  • Cross-platform data correlation

Key findings

  • At matched UMI counts, GEXSCOPE detected 21–27% more genes.
  • GEXSCOPE showed a lower percentage of mitochondrial reads.
  • A higher percentage of GEXSCOPE reads mapped to exonic regions.
  • Comparable cell type representation, with closely correlated global gene expression.
  • Data from both platforms were integrated without substantial batch effects.

Study design

  • Sample: Mouse bone marrow
  • Library preparation platforms: Microwell-based (GEXSCOPE RNA Library Kit v3) and droplet-based scRNA-seq (Chromium GEM-X Single Cell 3′ Kit v4) single cell sequencing kits
  • Data analysis: GEXSCOPE data with the CeleSCOPE® pipeline, GEM-X data with Cell Ranger. Quality control, normalization, principal component analysis and clustering for both datasets. Data were integrated with Harmony.

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Singleron GEXSCOPE v3 vs10x Genomics GEM-X v4

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Planning your next single cell experiment? Check out the comparison data to find out more.

FAQ

FAQ

Both approaches partition single cells so that each cell’s RNA is tagged with a cell-specific barcode. GEXSCOPE loads cells onto a SCOPE-chip, where cells settle into individual microwells by gravity. Chromium GEM-X partitions cells on a microfluidic chip in droplets in an emulsion. This technical note compares the two workflows using the same sample.

In this comparison, data from the two platforms integrated with Harmony without substantial batch effects, and cells from both platforms were interspersed within every cluster.

10x Genomics and Chromium are trademarks of 10x Genomics, Inc.