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. 2015 Sep 28;2015:742535. doi: 10.1155/2015/742535

Figure 4.

Figure 4

Correlation of cytokine levels and circulating TFH cells in HCs and HSP patients. (a) Levels of serum IL-21 in HCs and HSP patients. (b) Levels of serum IL-6 in HCs and HSP patients. (c) and (d) Relationship of serum IL-21 levels and the percentage of ICOS+CXCR5+CD4+TFH cells in HCs and HSP patients, respectively. (e) and (f) Relationship of serum IL-6 levels and the percentage of ICOS+CXCR5+ in CD4+TFH cells in HCs and HSP patients, respectively. Data shown were the mean ± SD. The horizontal lines show the median.