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Related Concept Videos

Flow Cytometry01:23

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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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Sample Preparation for Mass Cytometry Analysis
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Cell-type specific molecular expression levels by restricted-dimensional cytometry.

David Kaplan1, Hillard M Lazarus1,2, Eric Christian1

  • 1CellPrint Biotechnology, Cleveland, Ohio, USA.

European Journal of Clinical Investigation
|April 1, 2024
PubMed
Summary
This summary is machine-generated.

Restricted-dimensionality cytometry precisely measures intracellular molecules in peripheral blood mononuclear cells. This method distinguishes cell types and patient groups, revealing novel molecular relationships.

Keywords:
G‐CSF mobilizationapoptosiscytometryimmune changes in pregnancyperipheral blood mononuclear cellsphosphoantigenssignalling pathways

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Area of Science:

  • Immunology
  • Cell Biology
  • Biotechnology

Background:

  • Cytometric analysis is standard for identifying peripheral blood mononuclear cells (PBMCs) based on surface receptors.
  • High-dimensional methods like mass and spectral cytometry analyze many analytes but present analytical challenges.
  • Complexity in high-dimensional cytometry can lead to interpretational pitfalls.

Purpose of the Study:

  • To introduce a complementary, restricted-dimensionality approach for precise intracellular molecular expression analysis in PBMCs.
  • To assess the utility of this method in distinguishing cell types and patient cohorts.

Main Methods:

  • Developed a restricted-dimensionality cytometry approach to measure intracellular molecular expression.
  • Individually assessed the expression of five analytes in four distinct PBMC types.
  • Analyzed samples from different donor groups, including pregnant and nonpregnant women, and G-CSF-treated individuals.

Main Results:

  • Observed significant distinctions in molecular expression levels between cell types and donor groups.
  • Successfully differentiated between pregnant and nonpregnant women, and G-CSF-treated versus untreated individuals.
  • Quantified a novel correlation between Rel A and translocator protein expression, highlighting analytical precision.

Conclusions:

  • Restricted-dimensional cytometry offers a precise, complementary method for analyzing intracellular protein and phosphoantigen expression in PBMCs.
  • This approach enhances the characterization of cell-type specific molecular profiles.
  • The method's precision allows for the discovery of new molecular relationships.