Th17 Cell Enhances CD8 T-Cell Cytotoxicity via IL-21 Production in Emphysema Mice

Figure 7

Correlations between (a) the frequency of CD4⁺IL-17⁺Th17 cells in lungs and DI, (b) the frequency of CD4⁺IL-17⁺Th17 cells in lungs and Lm, (c) the frequency of IL-21⁺Th17 cells in lungs and DI, (d) the frequency of IL-21⁺Th17 cells in lungs and Lm, (e) the frequency of CD8⁺IL-21R⁺ T cells in lungs and DI, (f) the frequency of CD8⁺IL-21R⁺ T cells in lungs and Lm, and (g) the frequency of CD8⁺IL-21R⁺ T cells and the frequency of IL-21⁺ Th17 cells in lungs. Data were determined by Pearson’s rank correlation coeficients.

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