In all these glomerular diseases, the 4/2,4-di-O-sulfated DS domain, recognized by the LKN1 antibody (Fig 3B–3D), and type I collagen (Fig 3J–3L) were expressed in the glomerulus in contrast to the controls (Figs 3A, 3I, and 4B). This evidence concerns the gene CCL15 and glomerular disorder.