“…Clinical manifestations are very diverse, including the most frequent symptoms of polyarthritis and various skin manifestations [100]. Furthermore, glomerulonephritis, central and peripheral nervous system pathology, inflammation in the serous membranes, lung, muscles, eye and cardiovascular system as well as severe blood cytopenias also develop frequently [101][102][103][104]. Very complex immune dysregulation has been explored, including T-and B-cell functional alterations that eventually lead to the loss of peripheral tolerance [105,106].…”