description | Protein involved in the systemic lupus erythematosus (SLE), a chronic autoimmune disease where the immune system is over-active and produces too many abnormal antibodies that react with the patient's own tissues. The exact cause of lupus is not known, but heredity, environment and hormonal changes may be involved. The immune complex deposition in many tissues leads to the manifestations of the disease Immune complexes can be deposited in glomeruli, skin, lungs, synovium, mesothelium, and other places. Many SLE patients develop renal complications |