Figure 5From: Targeting peripheral blood pro-inflammatory cytotoxic lymphocytes by inhibiting CD137 expression: novel potential treatment for COPD CD28nullCD137 + CD8- (clear bars) and CD28nullCD137 + CD8+ NKT-like cells (grey bars) in 10 control subjects (N) and 14 patients with COPD (C). Data presented as box plots. There were no significant differences in the percentages of CD28nullCD137 + NKT-like cell subsets between any of the groups (p > 0.05 for all).Back to article page