In rheumatoid arthritis (RA), ANXA1 exhibits context-dependent effects, while ANXA2 promotes synovial proliferation, invasion, and angiogenesis. Dysregulation of annexins has also been observed in primary Sjögren's syndrome (pSS), multiple sclerosis (MS), and systemic sclerosis (SSc). The gene discussed is ANXA1; the disease is multiple sclerosis.