Effect of cryopreservation of peripheral blood mononuclear cells (PBMCs) on the variability of an antigen-specific memory B cell ELISpot.
The ELISpot assay is used in vaccine studies for the quantification of antigen-specific memory B cells (B(MEM)), and can be performed using cryopreserved samples. The effects of cryopreservation on B(MEM) detection and the consistency of cultured ELISpot assays when performed by different operators or laboratories are unknown. In this study, blood was taken from healthy volunteers, and a cultured ELISpot assay was used to count B(MEM) specific for 2 routine vaccine antigens (diphtheria and te...Expand abstract
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