OSGEP and Galloway-Mowat syndrome: To date, the genetic cause of GAMOS has been reported in 54 families: OSGEP in 26 (48.15%), WDR73 in 19 (35.18%), TP53RK in 4 (7.40%), LAGE3 in 3 (5.55%), and TPRKB in 2 (3.70%) [2–11].