Volume 16, Issue 21 2000123
Communication

Toward High-Dimensional Single-Cell Analysis of Graphene Oxide Biological Impact: Tracking on Immune Cells by Single-Cell Mass Cytometry

Marco Orecchioni

Marco Orecchioni

Department of Chemistry and Pharmacy University of Sassari, Sassari, 07100 Italy

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Valentina Bordoni

Valentina Bordoni

Department of Chemistry and Pharmacy University of Sassari, Sassari, 07100 Italy

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Claudia Fuoco

Claudia Fuoco

Department of Biology, University of Rome Tor Vergata, Rome, 00133 Italy

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Giacomo Reina

Giacomo Reina

CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000 France

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Hazel Lin

Hazel Lin

CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000 France

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Martina Zoccheddu

Martina Zoccheddu

Department of Chemistry and Pharmacy University of Sassari, Sassari, 07100 Italy

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Acelya Yilmazer

Acelya Yilmazer

Department of Biomedical Engineering, Faculty of Engineering, Ankara University, Ankara, 06100 Turkey

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Barbara Zavan

Barbara Zavan

Dr. L. G. Delogu, Department of Biomedical Sciences, University of Padua, Padova, 35121 Italy

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Gianni Cesareni

Gianni Cesareni

Department of Biology, University of Rome Tor Vergata, Rome, 00133 Italy

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Davide Bedognetti

Corresponding Author

Davide Bedognetti

Cancer Research Department, Sidra Medicine, Doha, Qatar

E-mail: [email protected], [email protected], [email protected], [email protected]

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Alberto Bianco

Corresponding Author

Alberto Bianco

CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000 France

E-mail: [email protected], [email protected], [email protected], [email protected]

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Lucia Gemma Delogu

Corresponding Author

Lucia Gemma Delogu

Department of Chemistry and Pharmacy University of Sassari, Sassari, 07100 Italy

Dr. L. G. Delogu, Department of Biomedical Sciences, University of Padua, Padova, 35121 Italy

Istituto di Ricerca Pediatrica Città della Speranza, Padova, 35127 Italy

E-mail: [email protected], [email protected], [email protected], [email protected]

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First published: 27 April 2020
Citations: 12

Abstract

Considering the potential exposure to graphene, the most investigated nanomaterial, the assessment of the impact on human health has become an urgent need. The deep understanding of nanomaterial safety is today possible by high-throughput single-cell technologies. Single-cell mass cytometry (cytometry by time-of flight, CyTOF) shows an unparalleled ability to phenotypically and functionally profile complex cellular systems, in particular related to the immune system, as recently also proved for graphene impact. The next challenge is to track the graphene distribution at the single-cell level. Therefore, graphene oxide (GO) is functionalized with AgInS2 nanocrystals (GO–In), allowing to trace GO immune–cell interactions via the indium (115In) channel. Indium is specifically chosen to avoid overlaps with the commercial panels (>30 immune markers). As a proof of concept, the GO–In CyTOF tracking is performed at the single-cell level on blood immune subpopulations, showing the GO interaction with monocytes and B cells, therefore guiding future immune studies. The proposed approach can be applied not only to the immune safety assessment of the multitude of graphene physical and chemical parameters, but also for graphene applications in neuroscience. Moreover, this approach can be translated to other 2D emerging materials and will likely advance the understanding of their toxicology.

Conflict of Interest

The authors declare no conflict of interest.

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