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Related Experiment Videos

8 color, 10-parameter flow cytometry to elucidate complex leukocyte heterogeneity

M Roederer1, S De Rosa, R Gerstein

  • 1Department of Genetics, Stanford University, California, USA. roederer@darwin.stanford.edu

Cytometry
|January 24, 1998
PubMed
Summary

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Researchers developed an 8-color flow cytometry technology for simultaneous cell analysis. This advanced method enables precise measurement of multiple fluorescent molecules on individual cells, improving immune system research.

Area of Science:

  • Immunology
  • Biotechnology
  • Analytical Chemistry

Background:

  • Multiparameter flow cytometry is crucial for analyzing complex biological systems.
  • Existing technologies often face limitations in the number of simultaneous measurements.
  • Accurate quantification of cellular markers requires advanced staining and detection methods.

Purpose of the Study:

  • To develop and evaluate an 8-color flow cytometry technology for simultaneous and independent measurement of fluorescent molecules on single cells.
  • To assess the performance and utility of the developed technology for analyzing immune cell populations.

Main Methods:

  • Development of novel chemistry, instrumentation, and software for multi-color fluorescence detection.
  • Construction of a hybrid flow cytometer with eight fluorescence detectors and two light scatter channels.

Related Experiment Videos

  • Utilization of three laser beams (407 nm, 488 nm, 595 nm) for excitation and advanced software for post hoc fluorescence compensation.

    • Main Results:

    • Successful implementation of an 8-color immunofluorescence staining protocol using direct conjugates.
    • Six of seven novel fluorochromes demonstrated brightness comparable to fluorescein; three were significantly brighter.
    • Demonstrated the utility of the 8-color, 10-parameter technology in analyzing human and murine immune cells.

    Conclusions:

    • The developed 8-color flow cytometry technology enables robust and simultaneous analysis of multiple cellular markers.
    • The technology offers enhanced sensitivity for detecting low-abundance antigens, particularly with brighter fluorochromes.
    • This advancement provides a powerful tool for high-dimensional analysis of immune cell populations and other biological applications.