Fig. 3From: Characterization of glomerular extracellular matrix in IgA nephropathy by proteomic analysis of laser-captured microdissected glomerulia-d Periostin staining in the three patient groups a) Control patient with negative staining b) Non-progressive IgAN patient and c) Progressive IgAN patient with more positive staining. There is week periostin staining for both IgAN without and with progression. d) Example of Aperio pixel analysis of glomeruli in 3 c), orange and yellow indicate positive pixels and blue indicating negative pixelsBack to article page