Mass Spectrometry-based Immune Profiling in Autoimmune Diseases

Inclusion criteria

• ✓. Male or female, and aged 18-70 at the time of screening interview (inclusive).
• ✓. The diagnosis of each disease meets the following standards - Systemic lupus erythematosus: 1997 ACR lupus classification standard
• ✓. Disease activity status, each disease should meet the disease activity index;
• ✓. Glucocorticoid (≤1mg/kg/d prednisone or other hormones with equivalent dose) was used before joining the group, and DMARDs (such as methotrexate, hydroxychloroquine, azathioprine, mycophenolate mofetil, leflunomide, cyclosporine, etc.) were allowed;
• ✓. When participating in the trial, the patient must be informed in writing and hope that the patient can abide by the requirements of the research follow-up plan and other protocols.