CyTOFmerge: Integrating mass cytometry data across multiple panels

Abstract: High-dimensional mass cytometry (CyTOF) allows the simultaneous measurement of multiple cellular markers at single cell level, providing a comprehensive view of cell compositions. However, the power of CyTOF to explore the full heterogeneity of a biological sample at the single cell level is currently limited by the number of markers measured simultaneously on a single panel. To extend the number of markers per cell, we propose an in silico method to integrate CyTOF datasets measured using multiple panels that share a set of markers. Additionally, we present an approach to select the most informative markers from an existing CyTOF dataset to be used as a shared marker set between panels. We demonstrate the feasibility of our methods by evaluating the quality of clustering and neighborhood preservation of the integrated dataset, on two public CyTOF datasets. We illustrate that by computationally extending the number of markers we can further untangle the heterogeneity of mass cytometry data, including rare cell population detection.

Tamim Abdelaal, Thomas Höllt, Vincent van Unen, Boudewijn Lelieveldt, Frits Koning, Marcel Reinders, and Ahmed Mahfouz. CyTOFmerge: Integrating mass cytometry data across multiple panels. Bioinformatics, btz180: 2019.
@article { bib:2019_cytofmerge,
author = { Tamim Abdelaal and Thomas H{\"o}llt and Vincent van Unen and Boudewijn Lelieveldt and Frits Koning and Marcel Reinders and Ahmed Mahfouz },
title = { CyTOFmerge: Integrating mass cytometry data across multiple panels },
journal = { Bioinformatics },
volume = { btz180 },
year = { 2019 },
doi = { 10.1093/bioinformatics/btz180 },