Moreover, LRG1 is identified as an inflammatory protein in human serum and highly expressed in various kinds of benign inflammatory and autoimmune diseases, including suspected acute appendicitis of children [19], activated ulcerative colitis [12], rheumatoid arthritis [20, 21], adult-onset Still’s disease [22] and asthma [23]. The gene discussed is LRG1; the disease is rheumatoid arthritis.