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. 2015 Oct 20;11(10):e1005177. doi: 10.1371/journal.ppat.1005177

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© 2015 Gupta et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — (A) Expression of CD39 by virus-specific CD8⁺ T cells. Plots are gated on CD8⁺. (B) Fraction of total or antigen-specific CD8⁺ T cells expressing CD39. (C, D) Comparison of CD39 expression by total CD8⁺ T cells with virus-specific CD8⁺ T cells from patients with HCV (C) and HIV (D) infections. (E) Fraction of total CD8⁺ T cells expressing CD39 in healthy, HIV or HCV infected donors. Error bars represent SEM. Statistical significance was assessed by Kruskal-Wallis test (B, E), or Wilcoxon test (C, D). *P <0.05, ***P <0.001, ****P <0.0001.