Figure 3From: Healthy ageing and depletion of intracellular glutathione influences T cell membrane thioredoxin-1 levels and cytokine secretionMembrane proteins can be selectively purified from T cells by biotin capture. Jurkat T cells were labelled NHS-S-S-biotin linker and stained with streptavidin alexafluor488. Labelling is evident on the surface of the cell only.Back to article page