found renal Gd-IgA1 deposition was apparently specific to IgAN (n = 50) and HSPN (n = 18) at higher intensity, and Gd-IgA1 staining was more intense in these groups than in LN (n = 3) or minimal change disease (n = 3) [33]. Here, IGHA1 is linked to lipoid nephrosis.