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Table 2 CD8+ Pentamer+ CD127+ T cells and CD8+ Pentamer+ CD127- T cell frequency of gated lymphocytes before and after in vitro stimulation with N-RSV1 peptide (30 μg/ml) in healthy blood donors within the three groups of age.

From: Age related changes in T cell mediated immune response and effector memory to Respiratory Syncytial Virus (RSV) in healthy subjects

Subjects CD8+ Pentamer+ CD127+ Baseline CD8+ Pentamer+ CD127+ Ag Stimulated CD8+ Pentamer+ CD127- Baseline CD8+ Pentamer+ CD127- Ag Stimulated
20-40 y 0.07 ± 0.03 0.24 ± 0.1 0.033 ± 0.02 0.04 ± 0.02
41-60 y 0.09 ± 0.05 0.19 ± 0.1 0.04 ± 0.02 0.07 ± 0.03
> 60 y 0.08 ± 0.03 0.07 ± 0.04 0.02 ± 0.02 0.028 ± 0.01
  1. (50.000 events/samples were analysed)
  2. Values are given as percentage frequency ± SD