Figure 3From: TAM receptor ligands in lupus: Protein S but not Gas6 levels reflect disease activity in systemic lupus erythematosusGas6 and free protein S levels according to the clinical manifestations in SLE. Free protein S in patients with (a) serositis, (b) neurologic disorder, (c) hematologic disorder, (d) immunologic disorder. Gas6 plasma levels in patients with (e) neurologic disorder. SLE, systemic lupus erythematosus.Back to article page