Figure 1: Increased soluble interleukin-7 receptor (sIL-7R) concentrations in sera of SLE patients with lupus nephritis (LN). (a) sIL-7R concentrations were measured by an ELISA in serum samples from SLE 58 patients with LN (LN-SLE) (), 76 SLE patients without LN (non-LN SLE), and 84 healthy individuals. (b) Quantitative PCR evaluation of the sIL-7R gene expression in peripheral blood mononuclear cells (PBMCs) collected from 136 SLE patients and 84 healthy individuals. value by Student’s -test. Data presents as the mean ± SEM in each group. NS: no statistical difference ().