Chapter 4: Biomarker Discovery and Validation

Biomarkers are crucial signposts in understanding and combating disease, guiding researchers and clinicians. Mass cytometry has revolutionized our ability to discover and validate these biological indicators, ushering in a new era of precision medicine.

The Dawn of Mass Cytometry in Biomarker Discovery

The groundbreaking work of Bendall et al., published in Science in 2011 (cited over 2000 times), marked a pivotal moment in the field of biomarker discovery. Their study, “Single-cell mass cytometry of differential immune and drug responses across a human hematopoietic continuum,” demonstrated the unprecedented power of mass cytometry to analyze multiple parameters at the single-cell level simultaneously. They specifically used mass cytometry, not flow cytometry. This study was, in fact, one of the pioneering works that introduced mass cytometry (CyTOF – Cytometry by Time of Flight) as a powerful tool for high-dimensional single-cell analysis.

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