CD4 and enthesitis-related juvenile idiopathic arthritis: Our analyses revealed that the percentage of CD154 on gated CD4+ T cells was highest in the samples from the ERA patients stimulated with Gal264-CII259-273 (12.62 ± 0.27, Figure 3C) followed by L-ASNase67-81 (9.92 ± 0.23, Figure 3B) and CII259-273 (7.04 ± 0.17, Figure 3A).