Abstract

Studies of the dynamics of the antibody-mediated immune response have been hampered by the absence of quantitative, high-throughput systems to analyze individual antibody-secreting cells1,2,3,4,5. Here we describe a simple microfluidic system, DropMap, in which single cells are compartmentalized in tens of thousands of 40-pL droplets and analyzed in two-dimensional droplet arrays using a fluorescence relocation-based immunoassay. Using DropMap, we characterized antibody-secreting cells in mice immunized with tetanus toxoid (TT) over a 7-week protocol, simultaneously analyzing the secretion rate and affinity of IgG from over 0.5 million individual cells enriched from spleen and bone marrow. Immunization resulted in dramatic increases in the range of both single-cell secretion rates and affinities, which spanned at maximum 3 and 4 logs, respectively. We observed differences over time in dynamics of secretion rate and affinity within and between anatomical compartments. This system will not only enable immune monitoring and optimization of immunization and vaccination protocols but also potentiate antibody screening6,7.

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Acknowledgements

We would like to thank the Institut Pierre-Gilles de Gennes (IPGG) for use of clean room facilities and the laser engraver (CII08, Axyslaser), and Pfizer for the generous gift of TT-Alexa488, and CHO cell lines secreting TT4, TT7, and TT10. TT11 and TT27 antibodies are Pfizer proprietary antibodies isolated from their collaboration with HiFiBiO. We thank Pfizer (M. Holsti, G. Cheung, and W. Somers) as well as HiFiBiO Team (A. Gérard, A. Woolfe, M. Reichen, A. Poitou, S. Essonno, R. Kumar, S. Ellouze, K. Grosselin, B. Shen, and C. Brenan) for identification, rapid cloning, and validation of TT11 and TT27 antibodies. This work received support from the French Investissements d'Avenir program under the grant agreements ANR-10-NANO-02, ANR-10-IDEX-0001-02 PSL, ANR-10-LABX-31 and ANR-10- EQPX-34, by the French Agence Nationale de la Recherche (ANR-14-CE16-0011 project DROPmAbs), from Région Ile-de-France (DIM NanoK) and by the Institut Carnot Pasteur Maladies Infectieuses. K.E. acknowledges financial support from the 'Fondation Pierre-Gilles de Gennes', and the 'Swiss National Science Foundation' and the 'Society in Science—The Branco Weiss Fellowship'. C.C. acknowledges financial support from CONCYTEC, Peru. We would like to further acknowledge R. Henson for making the dscatter function for Matlab publicly available, M. Spitzer, J. Wildenhain, J. Rappsilber and M. Tyers for BoxPlotR that has been used to create the box plots, and B. Iannascoli (Unit of Antibodies in Therapy and Pathology, Institut Pasteur) for help with antibody production and cell lines.

Author information

Author notes

    • Luis Briseño-Roa
    • , Patrick England
    • , Alexei Godina
    •  & Elodie Brient-Litzler

    Present addresses: Alexion R&D France, Institut Imagine, Paris, France (L.B.-R.), Plateforme de Biophysique Moléculaire, Centre d'Innovation et Recherche Technologique (Citech), Institut Pasteur, Paris, France (P.E.), TOTAL New Energies, RD Biotechnologies, Paris, France (A.G.) and Centre d'Innovation et Recherche Technologique (Citech), Institut Pasteur, Paris, France (E.B.-L.).

    • Raphaël C L Doineau
    •  & Carlos E Castrillon

    These authors contributed equally to this work.

    • Andrew D Griffiths
    • , Pierre Bruhns
    •  & Jean Baudry

    These authors jointly supervised this work.

Affiliations

  1. Laboratoire Colloïdes et Matériaux Divisés (LCMD), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France.

    • Klaus Eyer
    • , Jérôme Bibette
    •  & Jean Baudry
  2. Laboratoire de Biochimie (LBC), ESPCI Paris, PSL Research University, CNRS UMR8231 Chimie Biologie Innovation, Paris, France.

    • Raphaël C L Doineau
    • , Alexei Godina
    • , Elodie Brient-Litzler
    • , Clément Nizak
    •  & Andrew D Griffiths
  3. HiFiBio SAS Paris, France.

    • Raphaël C L Doineau
    • , Luis Briseño-Roa
    • , Vera Menrath
    •  & Allan Jensen
  4. Unit of Antibodies in Therapy and Pathology, Department of Immunology, Institut Pasteur, Paris, France.

    • Carlos E Castrillon
    • , Guillaume Mottet
    •  & Pierre Bruhns
  5. INSERM, Paris, France.

    • Carlos E Castrillon
    • , Guillaume Mottet
    •  & Pierre Bruhns

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Contributions

K.E., A.J., A.D.G., J. Bibette, P.B. and J. Baudry designed the study; K.E., R.C.L.D., A.G., E.B.-L., C.N., A.D.G., J. Bibette and J. Baudry developed the technology; K.E., R.C.L.D., C.E.C., L.B.-R., V.M., G.M., P.E. and A.G. performed the experiments; K.E., A.D.G., P.B. and J. Baudry analyzed the data and wrote the paper.

Competing interests

J. Bibette and A.D.G. are co-founders of Seven Pines Holding BV, and HiFiBiO SAS is a subsidiary of Seven Pines Holding BV. Patents have been filed on some aspects of this work and the inventors may receive payments related to exploitation of these under their employer's rewards-to-inventors scheme.

Corresponding authors

Correspondence to Andrew D Griffiths or Pierre Bruhns or Jean Baudry.

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DOI

https://doi.org/10.1038/nbt.3964

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