We also did not find significant changes in other neuroblastoma marker genes (e.g., Bcl2, Cd44, Dcc, Ddx1, Lmo1, Max, Mdr1/Abcb1, Mrp/ Abcc1, Nf1, Ngf, Ntf3, Ntrk2, Nme1, Odc1, Rb1, Trp53)39 (Supplementary Table S2a). The gene discussed is DDX1; the disease is neuroblastoma.