Rheumatoid Arthritis, Systemic Juvenile, also known as juvenile-onset still disease, is related to glomerulonephritis and type 1 diabetes mellitus. An important gene associated with Rheumatoid Arthritis, Systemic Juvenile is IL6 (Interleukin 6), and among its related pathways/superpathways are Adipogenesis and Spinal cord injury. Affiliated tissues include spinal cord and brain.