IFN-γ-inducible 10-kD protein (IP-10) and monokine induced by IFN-γ (MIG) are chemokines that are secreted from immune and non-immune cells in response to IFN-γ (116), and correlate with SLE disease activity (94). The gene discussed is CXCL9; the disease is systemic lupus erythematosus.