402 Serum cytokine profiling reveals elevated levels of S100A8/A9 and MMP-9 in systemic lupus erythematosus patients with cognitive impairment independently of disease activity and... by Dorcas Beaton, Jiandong Su, Zahi Touma, Robin Green, Patricia Katz, Lesley Ruttan, May Y Choi, Joan Wither, Dennisse Bonilla, Kathleen Bingham, Mahta Kakvan, Carolina Muñoz Grajales, Michelle L Barraclough, Juan P Diaz-Martinez, M Carmela Tartaglia, Simon Appenzeller