Figure 5.

Correlation of the ratio of CD4⁺CXCR5⁺IL-21⁺ cells with the frequency of Tfh cells in BM in IRP patients. (a) Relationship between the ratio of CD4⁺CXCR5⁺IL-21⁺ cells and the ratio of CD4⁺CXCR5⁺CD40L⁺ cells. (b) Relationship between the ratio of CD4⁺CXCR5⁺IL-21⁺ cells and the ratio of CD4⁺CXCR5⁺ICOS⁺ cells. (c) Relationship between the ratio of CD4⁺CXCR5⁺IL-21⁺ cells and the level of serum C3 in IRP group.