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Related Experiment Videos

Molecular cytometry.

J H Jett1

  • 1National Flow Cytometry Resource, Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. jett@lanl.gov

Journal of Biological Regulators and Homeostatic Agents
|March 25, 2005
PubMed
Summary
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Flow cytometry initially measured cellular DNA and protein. Advances in labeled antibodies expanded its use to specific antigen analysis and immunological applications, now including non-cellular and single-molecule analyses.

Area of Science:

  • Biotechnology
  • Immunology
  • Molecular Biology

Background:

  • Early flow cytometry focused on cellular DNA and protein content.
  • The development of labeled antibodies significantly broadened flow cytometry's applications in immunology.
  • The term 'cytometry' has expanded beyond cellular measurements to include non-cellular analyses.

Purpose of the Study:

  • To review the evolution of flow cytometry techniques.
  • To highlight the expansion of cytometry to non-cellular and single-molecule analyses.
  • To discuss the diverse applications of modern cytometry methods.

Main Methods:

  • Initial methods involved measuring total cellular DNA or protein content.
  • Subsequent advancements utilized labeled antibodies (polyclonal and monoclonal) for antigen analysis.

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  • Recent developments include ensemble and single-molecule detection for solution-based molecular analysis.

    • Main Results:

    • Flow cytometry evolved from basic cellular content analysis to sophisticated immunological applications.
    • The technique's scope expanded to include chromosome and solution molecular measurements.
    • Modern methods enable detailed analysis of molecules in solution, including DNA analysis.

    Conclusions:

    • Flow cytometry has undergone significant technological evolution.
    • The field has expanded to encompass a wide range of cellular and non-cellular molecular analyses.
    • Current cytometry methods offer powerful tools for molecular detection and characterization.