In this report, we demonstrate the staining and analysis steps of a phenotyping assay performed on fresh whole blood to enumerate major innate and adaptive leukocyte populations. We emphasize considerations for performing these procedures in the context of a multicenter clinical trial.
Hensley, T. R., Easter, A. B., Gerdts, S. E., De Rosa, S. C., Heit, A., McElrath, M. J., Andersen-Nissen, E. Enumeration of Major Peripheral Blood Leukocyte Populations for Multicenter Clinical Trials Using a Whole Blood Phenotyping Assay. J. Vis. Exp. (67), e4302, doi:10.3791/4302 (2012).