Moreover, two different M2 macrophages populations, CD163+ and CD206+, were mainly expressed in fibrous crescents and were more common in Lupus nephritis (LN) and ANCA-associated vasculitis than in IgA nephropathy and Henoch Schönlein purpura glomerulonephritis (129, 130). Here, CD163 is linked to IgA glomerulonephritis.