CD4 and synovial sarcoma: Blocking the IL-7 receptor α-chain with an antibody in newly diagnosed female NOD mice with SS significantly improves the disease pathology, which correlates with reduced production of IFN-γ by CD4+ T cells, CD8+ T cells, and B cells in the SMG, along with decreased levels of chemotactic lymphocyte attractants CXCL9, -10, -11, and -13 (154).