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Detecting Secreted Analytes from Immune Cells: An Overview of Technologies

  • Kelly A. Pike
  • Caitlyn Hui
  • Connie M. Krawczyk
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1458)

Abstract

The tumor microenvironment is largely shaped by secreted factors and infiltrating immune cells and the nature of this environment can profoundly influence tumor growth and progression. As such, there is an increasing need to identify and quantify secreted factors by tumor cells, tumor-associated cells, and infiltrating immune cells. To meet this need, the dynamic range of immunoassays such as ELISAs and ELISpots have been improved and the scope of reagents commercially available has been expanded. In addition, new bead-based and membrane-based screening arrays have been developed to allow for the simultaneous detection of multiple analytes in one sample. Similarly, the optimization of intracellular staining for flow cytometry now allows for the quantitation of multiple cytokines from either a purified cell population or a complex mixed cell suspension. Herein, we review the rapidly evolving technologies that are currently available to detect secreted analytes. Emphasis is placed on discussing the advantages and disadvantages of these assays and their applications.

Key words

Cytokine ELISA ELISpot Cytokine array Intracellular cytokine staining (ICS) 

Notes

Acknowledgements

We acknowledge the support of the Leukemia and Lymphoma Society of Canada and the Canadian Cancer Society Research Institute to K.A.P., and the CIHR and NSERC for funding to C.K.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Kelly A. Pike
    • 1
  • Caitlyn Hui
    • 2
    • 3
  • Connie M. Krawczyk
    • 2
    • 3
  1. 1.Goodman Cancer Research CentreMcGill UniversityMontrealCanada
  2. 2.Department of Microbiology and Immunology, and Physiology, Goodman Cancer Research CenterMcGill UniversityMontrealCanada
  3. 3.Department of Physiology, Goodman Cancer Research CenterMcGill UniversityMontrealCanada

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