Cited by 39Single-cell and spatial transcriptomicsMolecular Biology Techniques and ApplicationsGenomics and Phylogenetic Studies

Assessing Transcriptome Quality in Patch-Seq Datasets

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Tripathy, Shreejoy J., Toker, Lilah, Bomkamp, Claire, Mancarci, B. Ogan, Belmadani, Manuel, Pavlidis, Paul·2018·Frontiers in Molecular Neuroscience

Abstract

Patch-seq, combining patch-clamp electrophysiology with single-cell RNA-sequencing (scRNAseq), enables unprecedented single-cell access to a neuron’s transcriptomic, electrophysiological, and morphological features. Here, we present a re-analysis of five patch-seq datasets, representing cells from ex vivo mouse brain slices and in vitro human stem-cell derived neurons. Our objective was to develop simple criteria to assess the quality of patch-seq derived single-cell transcriptomes. We evaluated patch-seq single-cell transcriptomes for the expression of marker genes of multiple cell types, benchmarking these against analogous profiles from cellular-dissociation based scRNAseq. We found an increased likelihood of off-target cell-type mRNA contamination in patch-seq cells from acute brain slices, likely due to the passage of the patch-pipette through the processes of adjacent cells. We also observed that patch-seq samples varied considerably in the amount of mRNA that could be extracted from each cell, strongly biasing the numbers of detectable genes. We developed a marker gene-based approach for scoring single-cell transcriptome quality post-hoc. Incorporating our quality metrics into downstream analyses improved the correspondence between gene expression and electrophysiological features. Our analysis suggests that technical confounds likely limit the interpretability of patch-seq based single-cell transcriptomes. However, we provide concrete recommendations for quality control steps that can be performed prior to costly RNA-sequencing to optimize the yield of high-quality samples.

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Crossref · 10.3389/fnmol.2018.00363

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  • mRNA collected from one neuron via Patch-seq often includes contaminating mRNA from adjacent neurons and/or non-neuronal cells.

    “we (Figure S2B) and others (Tripathy et al., 2018) found that the mRNA collected from one neuron via a Patch-seq recording often includes contaminating mRNA from adjacent neurons and/or non-neuronal cells.”

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Authors
Tripathy, S. J., Toker, L., Bomkamp, C., Mancarci, B. O., Belmadani, M., & Pavlidis, P.
Affiliations
University of British Columbia (CA)
Corresponding author
  • Tripathy, Shreejoy J.
  • Pavlidis, Paul
Venue
Frontiers in Molecular Neuroscience
Published
2018-10-08
Volume
11
Pages
363-363
ISSN
1662-5099 (ISSN-L)
OpenAlex
W2891983486
Cited by
39
References
46
Citations by year
2026: 4 · 2024: 6 · 2023: 7 · 2022: 4 · 2021: 7 · 2020: 8 · 2019: 3
FWCI
1.60
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Molecular Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Kids Brain Health Network
  • National Institutes of Health
  • Canadian Institutes of Health Research (FDN143206)
  • National Institute of Mental Health (R01MH111099)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Molecular Biology Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
Patch-seq, stem cell-derived neurons

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