Reliable IFN-γ Quantification For T Cell Functional Analysis: Analytical Performance Evaluation Of A Bead-Based Cytokine Assay

As T cell–based therapies move from early research into clinical development, the need for reliable functional readouts becomes more pressing. IFN‑γ secretion remains a cornerstone marker of T cell activation, but inconsistent measurement can undermine comparability across studies and stages. Walk through a rigorous analytical performance evaluation of a bead‑based cytokine assay designed for flow cytometry, with a clear focus on accuracy, precision, linearity, and matrix effects. Using regulatory-aligned criteria, the study demonstrates reproducible IFN‑γ quantification across a wide dynamic range and multiple sample conditions, including dilutional integrity beyond the upper limit of quantification. The results offer practical guidance for teams building standardized immune monitoring or potency workflows, particularly in cell therapy contexts where assay robustness directly impacts decision‑making.

Explore the full poster to better understand how assay performance holds up under real‑world demands.