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Figure 1.CD28 expression by human, baboon and cynomolgus macaque memory T cells. One representative immunophenotyping analysis of CD28 in CD4+ (upper panel)and CD8+ (lower panel) memory (CD95+) and naïve (CD95-) T lymphocytes of human, baboon and cynomolgus macaque PBMC. Data are representative of at least three independent analyses.
