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9 February 2012 Comparison of quantitative flow cytometric data provided by panels with lower and increased color number
József Bocsi; Anja Mittag; Arkadiusz Pierzchalski; Adolf Baumgartner; Ingo Dähnert; Attila Tárnok
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Proceedings Volume 8225, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues X; 822512 (2012) https://doi.org/10.1117/12.906712
Event: SPIE BiOS, 2012, San Francisco, California, United States
Abstract
To date the flow cytometry (FCM) industry is booming with new generations of commercial clinical instruments. Long-term clinical studies have the dilemma that moving to new instruments being capable of more complex cell-analysis makes it difficult to compare new data with those obtained on older instruments with less complex analysis panels. Since 15 years we conduct follow-up studies on children with congenital heart diseases. In this period we moved from 2- to 3- and now to 10-color FCM immunophenotyping panels. Questions arise how to compare and transfer data from lower to higher level of complexity. Two comparable antibody panels for leukocyte immunophenotyping (12-tube 2-colors, and 9-tube 4-colors) were measured on a BD FACScalibur FCM (calibration: Spherotech beads) in 19 blood samples from children with congenital heart disease. This increase of colors was accompanied by moving antibodies that were in the 2-color panel either FITC or PE labeled to red dyes such as PerCP or APC. Algorithms were developed for bridging data for quantitative characterization of antigen expression (mean fluorescence intensity) and frequency of different cell subpopulations in combination with rainbow bead standard data. This approach worked for the most relevant antibodies (CD3, CD4, CD8 etc.) well, but rendered substantial uncertainty for activation markers (CD69 etc.). Our techniques are particularly well suited to the analysis in long-term studies and have the potential to compare older and recent results in a standardized way.
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József Bocsi, Anja Mittag, Arkadiusz Pierzchalski, Adolf Baumgartner, Ingo Dähnert, and Attila Tárnok "Comparison of quantitative flow cytometric data provided by panels with lower and increased color number", Proc. SPIE 8225, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues X, 822512 (9 February 2012); https://doi.org/10.1117/12.906712
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