Neutrophils, another cell type associated with cutaneous disease in SLE, were also reduced in LCN2-deficient mice compared to MRL/lpr mice (LCN2-KO (n = 4) vs MRL/lpr (n = 4), 7 ± 1 vs 29 ± 6, p = 0.003, Figures 6G–I). The gene discussed is LCN2; the disease is systemic lupus erythematosus.