Cited by 181Single-cell and spatial transcriptomicsMetabolomics and Mass Spectrometry StudiesCell Image Analysis Techniques

Testing for differential abundance in mass cytometry data

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Lun, Aaron T L, Richard, Arianne C, Marioni, John C·2017·Nature Methods

Abstract

When comparing biological conditions using mass cytometry data, a key challenge is to identify cellular populations that change in abundance. Here, we present a computational strategy for detecting 'differentially abundant' populations by assigning cells to hyperspheres, testing for significant differences between conditions and controlling the spatial false discovery rate. Our method (http://bioconductor.org/packages/cydar) outperforms other approaches in simulations and finds novel patterns of differential abundance in real data.

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Crossref · 10.1038/nmeth.4295

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  • Existing clustering-free differential abundance methods either fail to model variability in cell numbers between replicate samples or are mainly built for pairwise comparisons, which restricts their use in more complex experimental designs.

    “However, these have different limitations, where they either do not model variability in cell numbers between replicate samples or are primarily designed for pairwise comparisons. This limits their application to datasets with more complex experimental designs”
  • Milo handles the non-independence of overlapping neighbourhoods by using a weighted Benjamini-Hochberg procedure in which p-values are weighted by the inverse of neighbourhood connectivity.

    “We account for the non-independence of overlapping neighbourhoods by applying a weighted version of the Benjamini-Hochberg (BH) method, where p-values are weighted by the reciprocal of the neighbourhood connectivity”

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Authors
Lun, A. T. L., Richard, A. C., & Marioni, J. C.
Affiliations
  • University of Cambridge (GB)
  • European Bioinformatics Institute (GB)
Corresponding author
Marioni, John C
Venue
Nature Methods
Published
2017-05-15
Volume
14
Issue
7
Pages
707-709
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2612538354
Cited by
181
References
20
Citations by year
2026: 10 · 2025: 17 · 2024: 37 · 2023: 22 · 2022: 21 · 2021: 23 · 2020: 16 · 2019: 15 · 2018: 17 · 2017: 3
FWCI
5.70
Type
journal article
Language
en
Open access
Locations
  • Nature Methods (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
Cancer Research UK (22231, C14303 / A17197)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Cell Image Analysis Techniques
Keywords
differential abundance, mass cytometry, cell populations, hypersphere, high-dimensional data
MeSH terms
Computer Simulation, Flow Cytometry, Image Processing, Computer-Assisted, Software

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