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High-throughput single-cell quantification of hundreds of proteins using conventional flow cytometry and machine learning.


ABSTRACT: Modern immunologic research increasingly requires high-dimensional analyses to understand the complex milieu of cell types that comprise the tissue microenvironments of disease. To achieve this, we developed Infinity Flow combining hundreds of overlapping flow cytometry panels using machine learning to enable the simultaneous analysis of the coexpression patterns of hundreds of surface-expressed proteins across millions of individual cells. In this study, we demonstrate that this approach allows the comprehensive analysis of the cellular constituency of the steady-state murine lung and the identification of previously unknown cellular heterogeneity in the lungs of melanoma metastasis–bearing mice. We show that by using supervised machine learning, Infinity Flow enhances the accuracy and depth of clustering or dimensionality reduction algorithms. Infinity Flow is a highly scalable, low-cost, and accessible solution to single-cell proteomics in complex tissues.

SUBMITTER: Becht E 

PROVIDER: S-EPMC8457665 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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High-throughput single-cell quantification of hundreds of proteins using conventional flow cytometry and machine learning.

Becht Etienne E   Tolstrup Daniel D   Dutertre Charles-Antoine CA   Morawski Peter A PA   Campbell Daniel J DJ   Ginhoux Florent F   Newell Evan W EW   Gottardo Raphael R   Headley Mark B MB  

Science advances 20210922 39


Modern immunologic research increasingly requires high-dimensional analyses to understand the complex milieu of cell types that comprise the tissue microenvironments of disease. To achieve this, we developed Infinity Flow combining hundreds of overlapping flow cytometry panels using machine learning to enable the simultaneous analysis of the coexpression patterns of hundreds of surface-expressed proteins across millions of individual cells. In this study, we demonstrate that this approach allows  ...[more]

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