NCAM1 and glomerular disorder: NCAM staining increased in glomerular disease, but was higher in SM22 -/- mice at day 7 (1.88 ± 0.06 vs. 1.61 ± 0.05, P <0.01 vs. +/+) and at day 14 (2.73 ± 0.14 vs. 2.03 ± 0.06,.