For TGM2 the highest mean ratio was seen for SAGN (74 ± 15.2), followed by ATN (52.5 ± 13), IgAN E1 (27.4 ± 17), IgA E0 (13.4 ± 11) and lowest was in the normal kidney samples (2.5 ± 2.1). This evidence concerns the gene CD79A and oculocutaneous albinism type 1.