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Expression of α-SMA in glomeruli in progressive nephropathy. a: Sham control, α-SMA staining confined to vessel wall and absent or minimal in glomeruli. b–d: RMR, b, at 7 days, absent or very weak α-SMA expression; c, at 14 days, strong focal staining and initial periglomerular expression; d, at 30 days, further increased expression in periglomerular tubulointerstitial areas. Original magnifications, ×250.
