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Related Concept Videos

Flow Cytometry01:23

Flow Cytometry

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The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
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Discrimination of Seven Immune Cell Subsets by Two-fluorochrome Flow Cytometry
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Comprehensive Immunophenotyping by Polychromatic Cytometry.

Takuto Nogimori1, Takuya Yamamoto2

  • 1Laboratory of Precision Immunology, Center for Intractable Diseases and ImmunoGenomics, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|March 25, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a new multicolor flow cytometry panel for comprehensive immune cell analysis. The panel aids in understanding immune responses to aging, infections, and vaccines by assessing T and B cell characteristics and activation states.

Keywords:
AgingB cellsInfectionsPolychromatic flow cytometryT cellsVaccine efficacy

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Area of Science:

  • Immunology
  • Cell Biology
  • Biotechnology

Background:

  • The human immune system relies on complex interactions between diverse innate and adaptive immune cells to combat pathogens.
  • Multicolor flow cytometry is a key technique for analyzing immune cell populations, offering high-dimensional insights into cellular heterogeneity and function.
  • Understanding immune cell dynamics is crucial for disease pathogenesis research and therapeutic development.

Purpose of the Study:

  • To develop and validate a novel immunophenotyping panel for simultaneous evaluation of T and B cell characteristics.
  • To incorporate markers for immune cell activation (co-stimulatory molecules) and exhaustion (inhibitory checkpoint molecules).
  • To enable tracking of immune status changes related to aging, environmental factors, infections, and vaccination.

Main Methods:

  • Development of a multicolor flow cytometry panel for simultaneous T and B cell immunophenotyping.
  • Inclusion of specific markers for co-stimulatory and inhibitory checkpoint molecules to assess immune cell activation and exhaustion.
  • Application of the panel to analyze immune cell populations in various physiological and pathological contexts.

Main Results:

  • The new panel allows for simultaneous, high-dimensional analysis of T and B cell populations.
  • It effectively tracks immune status changes influenced by aging, environmental factors, pathogen infections, and vaccine administration.
  • The panel provides insights into immune cell activation and exhaustion states, correlating with disease pathophysiology and vaccine efficacy.

Conclusions:

  • This novel immunophenotyping panel enhances the understanding of human immune responses.
  • It offers a versatile tool for research in immunology, infectious diseases, aging, and vaccine development.
  • The findings support the development of targeted therapeutic strategies and improved vaccine efficacy assessments.