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Published on: March 5, 2019
Advanced immunophenotyping of lymphocyte and monocyte subsets in healthy Australian adults using a novel spectral
Ainsley R Davies1,2, Kristy Kwong1,2,3, Zhijia Yu1
1Canberra Clinical Phenomics Service, John Curtin School of Medical Research, The Australian National University, Canberra, ACT, Australia.
Insights
This study developed a novel 30-colour spectral flow cytometry panel to analyze over 50 lymphocyte and monocyte populations. This advanced method offers a more comprehensive approach for disease diagnosis and monitoring.
Area of Science:
- Immunology
- Biotechnology
- Clinical Diagnostics
Background:
- Lymphocytes are crucial in disease pathogenesis and serve as biomarkers for immunological conditions.
- Current clinical flow cytometry methods are limited, typically identifying only 4-8 lymphocyte populations.
- A need exists for more comprehensive analysis of immune cell populations for improved diagnostics.
Purpose of the Study:
- To develop and optimize a novel 30-colour immunophenotyping panel for spectral flow cytometry.
- To measure over 50 distinct lymphocyte and monocyte populations from a single biological sample.
- To validate the assay for future diagnostic use within the Australian regulatory framework.
Main Methods:
- Design and optimization of a novel 30-colour lymphocyte immunophenotyping panel.
- Utilized a 3-laser (V-B-R) spectral flow cytometer for high-dimensional analysis.
- Applied the panel to analyze samples from 148 healthy individuals.
Main Results:
- Successfully developed a panel capable of measuring over 50 lymphocyte and monocyte populations.
- Demonstrated the feasibility of the assay in a cohort of 148 healthy individuals.
- Established a comprehensive method for immune cell profiling.
Conclusions:
- The novel spectral flow cytometry panel provides a significantly more comprehensive analysis of lymphocyte and monocyte populations compared to current methods.
- This work lays the foundation for clinical applications of advanced spectral flow cytometry.
- The assay has potential implications for improved disease diagnosis and patient monitoring.
Introduction:
Lymphocytes play pivotal roles in disease pathogenesis and can be used as potential biomarkers for various immunological conditions. Yet, current flow cytometry methods used in clinical settings are often only capable of measuring between four to eight distinct lymphocyte populations. The purpose of our study was to measure many lymphocyte and monocyte populations from a single sample, with the long-term aim of validating our assay for diagnostic use in the Australian regulatory environment.
Methods:
We designed and optimised a novel 30-colour lymphocyte immunophenotyping panel tailored for use on a 3-laser (V-B-R) spectral flow cytometer. This panel measures over 50 lymphocyte and monocyte populations.
Results:
In this report we present data derived from 148 healthy individuals.
Discussion:
This lays the groundwork for future clinical application of spectral flow cytometry tests and offers a more comprehensive approach to lymphocyte and monocyte analysis with future implications for disease diagnosis and monitoring.
