TNFSF13B and systemic lupus erythematosus: •(SLE) B cells:  Upregulation CD86, BAFF (100)  Secretion IL-10 (100) • (Psoriasis) CD4+:
Secretion IL-17 (101) • Healthy donors: Less proliferation (102–105)  Less pro-inflammatory cytokines (102–105)