Serum total IgA levels in each non-IgA glomerular disease were as follows: MC (102 mg/dl, 49-423 mg/dl), FSGS (155 mg/dl, 105-280 mg/dl), MN (132 mg/dl, 96-249 mg/dl), and LN (233 mg/dl, 104-455 mg/dl). The gene discussed is CD79A; the disease is glomerular disorder.